FITTER (THEORY) SEMESTER – 4 Feb 2016

FITTER

(THEORY)

SEMESTER – 4

Feb 2016

The accurate spacing of teeth in a gear blank
requires the use of...........
A dividing head
B  an index plate
C  a differential mechanism
D  universal table
Answer: A dividing head

Helical gears can be cut on which type of
milling machine?
A. Plain
B. Horizontal
C. Universal
D. Drum type
Answer: C. Universal

The carburizing is done on
A   high carbon steel
B   medium carbon steel
C  low carbon steel
D  high speed steel
Answer: C  low carbon steel

The standard pipe fittingo are provided with
threads conforming with.......
A BA
B BSW
C BSP
D Metric
Answer: C BSP

Which dutch can be engaged progressively
when one or both the elements are rotating?
A  Single plate clutch
B   Cone clutch
C  Centrifugal clutch
D  Dog clutch
Answer: B   Cone clutch

The included angle of a pipe thread is
A 60°
B 47°
C 55°
D 45°
Answer: C 55°
The damaged external threads are rectified
by......
A  die nut
B  half die
C  circular die
D  adjustable screw plate die
Answer: A  die nut

Where a large speed reduction is desired,
which type of gear is used?
A  Worm and worm wheel
B  Helical bone gear
C   Hypoid gear
D  Herring bone gear
Answer: A  Worm and worm wheel

Which type of gear converts rotary motion to
linear motion?
A   Rack and pinion
B  Worm and worm wheel
C   Hypoid gear
D   Internal gear
Answer: A   Rack and pinion

In the pipe assembly, the hemp packing is
used to................
A  fill the gap between threads
B  avoid leakage
C  get tight fitting
D  easy engagement
Answer: B  avoid leakage

Which of the following can hold the work,
locate the work and guide the tool at the
desired position?
A   Drill bush
B   Drill fixture
C   Drill jig
D   V - block

Answer: C   Drill jig

COMPUTER OPERATOR AND PROGRAMMING ASSISTANT (THEORY) SEMESTER- II JULY2018

COMPUTER OPERATOR AND PROGRAMMING ASSISTANT

(THEORY)

SEMESTER- II

JULY2018

…………….. monitors user activity on internet and

transmits that information in the background to someone else.

a. Malware

b. Spyware

c. Adware

d. None of these

Answer: b. Spyware

Viruses are ………

a. Man made

b. Naturally occur  

c. Machine made    

d. All of these

Answer: a. Man made

Unsolicited commercial email is known as ……..

a. Spam

b. Malware

c. Virus

d. Spyware

Answer: a. Spam

Which of the following viruses overtake computer system,

when it boots and destroys information?

a. System infectors

b. Trojan     

c. Boot infectors     

d. Stealth virus

Answer: d. Stealth virus

Which products are people most likely to be more

uncomfortable buying on the Internet?
a. Books

b. Furniture  

c. Movies

d. All of these

Answer: b. Furniture  

What encourages users of a product or service

supplied by a B2C company to ask friends to
join in as well?

a. Spam

b. Viral marketing   

c. Affiliate programs

d. None of these

Answer: b. Viral marketing

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All of the following are techniques B2C e-commerce

companies use to attract customers, except

a. Registering with search engines

b. Viral marketing

c. Online Ads

d. Virtual marketing

Answer: b. Viral marketing

The digital product delivery internet business model

a. Concentrates on the informations about products

    and services from multiple providers

    at one central point

b. Provides an electronic clearinghouse for products

   where price and availability are
   constantly changing, sometimes in response to

   customer actions.

c. Enables groups of people who want to purchase a

    particular product to signup and then seek a volume

   discount from vendors.

d. Sells and delivers software, multimedia, and other

     digital products over the internet.

Answer: d. Sells and delivers software, multimedia,

                    and other  digital products over the internet.

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In Electronic cash payment

a. A debit card payment system is used

b. A customer buys several electronic coins which are digitally

    signed by coin issuing bank

c. A credit card payment system is used

d. RSA cryptography is used in the transactions

Answer: b. A customer buys several electronic coins which are

                   digitally signed by coin issuing bank

What is the name of the card which can be used by the

buyers during the time of purchase and in which the

amount will be immediately debited from the buyers account?

a. E-Distributor

b. Debit Card

c. Credit Card

d . Power Card

Answer: b. Debit Card

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Set of independent Electronic Stores can be

generally labeled as
a. Electronic Shopping Mall

b. Electronic Wallet

c. Electronic Stores

d. Generalized Stores

Answer: a. Electronic Shopping Mall

Which segment do eBay, Amazon.com belong?

a. B2B

b. B2C

c. C2C

d. C2B

Answer: b. B2C

Process of tracing direct costs and allocation of  

indirect costs is known as

a. Cost assignment

b. Direct assignment

c. Indirect assignment

d. Economic assignment

Answer: a. Cost assignment

Why is computer crime difficult to investigate?

a. Privacy laws protect people from being investigated.

b. Computer crime investigations require special

    techniques and tools.

c. Criminals can spoof their address.

d. The police has no jurisdiction over the Internet

Answer: c. Criminals can spoof their address.

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What is the purpose of <noscript> tag in Java Script?

a. Prevents scripts on the page from executing

b. Enclose text to be displayed by non -JavaScript browsers

c. Suppresses the result to be displayed on the web page

d. None of these

Answer: b. Enclose text to be displayed by

                    non -JavaScript browsers

Which of the following is a server-side Java Script object?
a. Function

b. File

c. File Upload

d. Date

Answer: b. File

Which of the following is the correct way for writing Java Script array?

a. var salaries = new Array(l:39438,2:39839 3:83729)

b. var salaries = new (Array1=39438, Array 2=39839 Array 3=83729)

c. var salaries = new Array(39438, 39839,83729)

d. var salaries = new Array() values = 39438,39839 83729

Answer: d. var salaries = new Array() values = 39438,39839 83729

What type of image map could be used with Java Script?

a. Client-side image maps

b. Server-side image maps

c. Both (a) & (b)

d. Localhost image maps

Answer: a. Client-side image maps

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Which of the following are capable of Java Script functions?

a. Returning multiple values

b. Accepting parameters

c. Accepting parameters and returning values

d. All of these

Answer: b. Accepting parameters

Which of the following is correct to write "Hello World"

on the web page?
a. System.out.println ("Hello World")      

b. print("Hello World")
c. document.write ("Hello World")

d. response.write("Hello World")

Answer:  c. document.write ("Hello World")

Visual Basic is a tool that allows you to develop

application in............

a. Real time  

b. Graphical User Interface 

c. Menu Driven       

d. None of These

Answer:  b. Graphical User Interface 

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Which windows displays a list of all forms and modules

making up your application
a. Project window

b. Properties window

c. Form layout window

d. All of these

Answer:  a. Project window

When you plan a Visual Basic program, you follow

a three-step process that should end with
a. Setting the properties     

b. Writing the code

c. Coding all the remark statements

d. Defining the user interface

Answer:   b. Writing the code

After the steps for planning a Visual Basic project

are completed, you can begin actually
constructing a program by__.

a. Setting the properties

b. Creating the interface

c. Writing the code

d. Executing the next step based on the programmer's preference

Answer:  b. Creating the interface

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The Visual Studio environment contains many different

windows. Which window will be the user interface

when the project is running ?

a. The Toolbox

b. Solution window

c. The Properties window

d. The Form Designer window

Answer: d. The Form Designer window

Which window do you open if you want to see all

of the objects that you can add a form?
a. The Toolbox

b. Solution window

c. The Properties window

d. The Form Designer window

Answer: a. The Toolbox

itiquestion.blogspot.com

FITTER NIMI JAN15 QUESTIONS

Leakage should be checked before using oxy-acetylene welding equipment.
What type of water can be used on the acetylene connection?
A   Saltwater
B   Soap water
C   Hard water
D   Fresh water

The process of finishing of round holes by means of bonded abrasive stone is called ........
A  Lapping
B  Reaming
C  Boring
D  Honing

The process of imbedding the abrasive grains on a lap is called ........
A  rubbing
B  charging
C  fixing
D  pasting.

What is the correct tap drill for tapping M16 tap?
A   14 mm
B   14.16 mm
C   15.03 mm
D   15.08 mm

Which one of the following tool angle control the chip formation while plain turning.
A   Side clearance angle
B   Front clearance angle
C   Approach angle
D   Top rake angle

In riveted joints the pitch of rivet is the minimum distance between the rivet should be three times of  rivet dia.
If the pitch of rivet is too close it will........
A   lead to gaping.
B   be difficult for riveting.
C   split the edges of joint.
D   tear the metal along the centre line of the rivets.

The jig which does not have a base but can be set over the job to be drilled is catled .......
A)  box jig
B)  sandwich jig
C)  channel jig
D)  trunnion jig

Due to continuous rubbing of the belt on the surface pulley. Belt gets dried up due to friction
and heat generated. This causes the belt to slip. Which of the following material applied on the
inner face of the belt for reducing belt slip?
A  Emery or corundum
B  Tallow or powdered resin
C  Nylon or Tuflon
D  Zinc or chalk powder

When more than one operation is to be performed in the same location the suitable jig bush will be ........
A  headless bush
B  liner bush .
C  slip renewable bush
D  headed bush

in a milling fixture the purpose of providing a setting block is to ......
A   support the work piece
B   position the cutter
C   set the fixture on machine table
D   locate the work piece.

TURNER THEORY SEMESTER I JULY15 QUESTIONS JUL2015 TURNER SEM I THEORY

TURNER THEORY SEMESTER I JULY15 QUESTIONS

JUL2015 TURNER SEM I THEORY

The shape on an information sign is..
A circular   B triangular   C square     D oval

Among the below colour which colour is used for prohibition sign?
A White symbol on blue background
B Yellow back-ground with black border and symbol
C White symbols on green back ground
D Red bolder and cross bar. black symbol on white back arounds

The best method to avoid accident is ............
A By wearing safety equipment
B By absorbho safety precautions reiat to a job machine and working place
C Doing things in one s own way
D Doing things which a highty skilied worker practice

Which one of the following fire extinguish; Is suitable for a live electrical fire?
A Haion
B Water
C Foam
D Liquified chemical

The straight shank drill is held in the main spindle of drilling machine by.......
A Floating holder
B Collet
C Chuck
D Sleeve

Bar type tap wrench is........
A not possible to holding large diameter taps
B more suitable for large diameter taps
C not suitable to adjust the jaws
D suitable for threading holes in restricted places

Centre punch angle of point is ....
A 30°   B 45°    C 60°  D 90°

Which one is to be used to start the tapping?
A Taper tap    B Plug tap   C Second tap  D Machine tap

A new hacksaw blade after a few strokes  becomes loose .because of.........................
A stretching of the blade
B wing nut thread being worn out
C wrong pitch of the blade
D proper selection of the set of jaws

The hacksaw frame in which more than one standard size of blade can be fitted is called...
A fixed hacksaw frame                   B tubular hacksaw frame
C adjustable hacksaw frame           D deep cutting hacksaw frame

Which one of following mechanical properties enables a metal to be made into thin sheets?
A Toughness      B Hardness     C Ductility    D Malleability

At the end of the cutting with a hacksaw the cutting pressure should be ....
A Less     B High   C Normal     D Very high

Which is a reason for manufacturing grey cast iron by lathe bed?
A   can withstand compressive ioad       B   can with stand tensile load
C   difficult to machine ability               D   to brake sudden shock

Name the mechanism for moving and controlling the carriage parts.
A Feed mechanism   B Apron   C Carriage   D Top slide

What should be used to move the carriage manually?
A  Cross slide    B  Carriage hand wheel     C  Feed lever    D  Half nut

To prevent the chuck from damaging the lathe guide ways while mounting....
A  a lift the chuck with a hand crane
B  ask the instructor or foreman for help
C  place a wooden block or board on the guide ways
D  support with a screw jack .

Which chuck is provided for T-slots?
A  3 jaw chuck            B  4 jaw chuck
C  Magnetic chuck      D  2 jaw concentric chuck

The pads of a steady rest are made of.............
A  carbon steel     B  lead     C  mild steel     D  brass

A steady rest is used................
A  to hold jobs            B  for face plate work
C  to drive the job       D  to support the job

Cutting tool held with 3 bolts, Name the tool post.
A Open side tool post     B Four way tool post
C Universal tool post     D British tool post

The half nut lever is used for.....
A engaging the longitudinal feed on the carriage
B taking up the slack in the cross slide nut
C changing from longitudinal to cross- feed
D thread cutting

The feed change lever.......
A changes the directions of the lead screw
B diverts the feed to either the cross slide or the longitudinal slide
C change the feed to a high or low range
D connects or disconnects the carriage hand wheel

Centre drill is done at the......
A  high spindle speed with a high feed
B  low spindle speed with a high feed
C  high spindle speed with a low feed
D  low spindle speed with a low feed

The centre drill breaks as a result of......
A  too heavy feed and too low speed
B  too light feed and too high speed
C  dropping it on the floor
D  allowing chips to form a tangle around them

The cutting tool is manufactured by....
A  low carbon steel               B  medium carbon steel
C  high carbon steel             D wrought iron

Tool holders are used to ....
A  extend the life of the tool    B  protect the tool
C  clamp the tool securely       D  deflect the cutting pressure

Depth of cut is provided by using
A  top slide              B  cross slide
C  compound slide   D  adjusting tool

For changing the rotation of feed rod, which lever should be used?
A  Feed change lever            B  Carriage locking lever
C  Feed selector                    D  Feed reverse lever

Which type of chip formation would be the best for turning mild steel?
A Long curly chips   B Segmented chips   C I - Shaped chips   D Spiral chips

For knurling operation, the rotation of the spindle speed is....
A   1/2 of the tuning spindle speed      B   1 /3 of the turning spindle speed
C   equal to turning spindle speed       D   equal to high spindle speed

For turning the cast iron, which the following should be used?
A  Soluble oil    B  No cutting fluid   C  Cutting oil    D  Water as coolant

The function of the cutting fluid in lathe operation is......
A  cleaning and lubrication
B  chip removal and lubrication
C  better finish and lubricant
D  cooling and flushing chips away from the cutting tool

The protection guard over the grinding wheel is fixed to protect the......
A  spindle of the pedestal grinder     B  grinding wheel
C  work pieces                                 D operator

For grinding wheel, which one is
represented by the symbols A to Z ?
A   Grit size             B   Silicon carbide
C   Bond material    D  Grade of the grinding wheel

The tolerance of a hole is the difference between the...........
A   maximum hole and the minimum shaft
B   maximum hole and the minimum hole
C   minimum hole and the maximum shaft
D   maximum hole and the maximum shaft

The three main classes of fits used in the B.I.S system are.......
A   clearance, transition and interference
B   loose fit, sliding fit and shrinkage fit
C   round fit, fiat fit and expansion fit

D   tight fit, push fit and medium fit

RRB EXAM USED MECHANIC MOTOR VEHICLE (THEORY) QUESTIONS SEMESTER – II

MECHANIC MOTOR VEHICLE

(THEORY)

SEMESTER – II

JULY 2018

Which of the following is not true for internal combustion

engine as compare to external combustion engine?

a. It has lower ratio of weight to output

b. They are self-starting

c. Higher overall efficiency

d. Mechanical simplicity

Answer : b. They are self-starting

Which of the following is not an internal Combustion (IC) engine?

a. Gas engine

b. Wankel engine

c. Jet engine

d. Sterling engine

Answer : d. Sterling engine

In two stroke engine there is one power stroke in_of crankshaft rotation.

a.  90°

b. 180°

c. 270°

d. 360°

Answer : d. 360°

In four stroke engine which of the following is also known as power stroke-

a. Suction stroke

b. Compression stroke

c. Expansion stroke

d. Exhaust stroke

Answer : c. Expansion stroke

Thermal stress in cylinder liners can be reduced by……..

a. Increasing the wall thickness of cylinder liner

b. Increasing velocity of flowing water through jacket

c. Both(a)&(b)

d. None of the above

Answer : b. Increasing velocity of flowing water through jacket

Exhaust valve diameter is_intake valve.

a. Greater than

b. Same as

c. Smaller to

d. Double to

Answer : c. Smaller to

Piston slap results from excessive clearance berween ….

a. Piston and cylinder wall

b. Piston and piston pin

c. Piston and piston

d. Piston rings

Answer : a. Piston and cylinder wall

The connecting rod attaches the piston to. The ……

a. Cylinder head

b. Crankshaft

c. Camshaft

d. Driveshaft

Answer : b. Crankshaft

Piston rings are made of-

a. Cast iron

b. Brass

c. Copper

d. Both (a) & (b)

Answer : a. Cast iron

On which two strokes are both valves closed?

a. Intake and exhaust

b. Intake and compression

c.   Compression and power

d.   Power and exhaust

Answer : c.   Compression and power

What is the material of the connecting rod-

a. Mild steel .

b. Forged steel

c. Tool steel

d. Cast iron

Answer : b. Forged steel

Fly wheel is installed on -

a. Crank shaft

b. Cam shaft

c. Both (a) & (b)

d. None of these

Answer : a. Crank shaft

Hydrocarbons are decomposed into smaller hydrocarbons by ….

a. Reforming

b. Refining

c. Cracking

d. Polymerization

Answer : c. Cracking

Which of the following isn't a cylinder block part?

a. Cylinder in which piston slides up and down

b. Openings for valves

c. Passages for flow of cooling water

d. Carburettor

Answer : d. Carburettor

A machine member used to connect engine shaft to gear box is called

a. Differential

b. Clutch

c. Flywheel

d. Propeller shaft

Answer : b. Clutch

A gas turbine works on which cycle?

a. Carnot.     .       ..

b. Brayton

c. Dual cycle

d. Rankine cycle

Answer : b. Brayton

Which among these is the main component of a gas turbine plant?

a. Condenser 

b. Compressor

c. Boiler

d. Both (b) & (c)

Answer : b. Compressor

The gasoline engine works on which cycle?

a. Otto cycle

b. Diesel cycle

c. Brayton cycle

d. None of these

Answer : a. Otto cycle

The turbocharged diesel'ehgine requires ……….. cooling air

than naturally aspired diesel engines.

a. Less

b. More

c. Equal

d. None of these

Answer : b. More

Which of the following is true in radiator …………

a. Relatively small amount of water are brought into

contact with large surface areas of metal

b. Relatively large amount of water are brought into

contact with small surface areas ot metal

c. Equal amount of water are brought into contact

with equal surface areas ot metal

d. Anv of  the above

Answer : a

A typical cooling system circuit has the thermostat between …..

a. Engine outlet and radiator

b. Radiator outlet and engine inlet

c. Both (a) & (b)

d. None of these

Answer : a. Engine outlet and radiator

Lubricating oil ………..

a. Minimizes wear in moving parts 

b. Helps in keeping the parts cool .     

c. Washes away and carries away

d. All of these

Answer : d. All of these

Viscosity index (VI) is a measure for the change of  

viscosity with change in ………

a. Temperature

b. Pressure

c. Volume

d. All of these

Answer : a. Temperature

The following part is not lubricated by Pressure feed system …..

a. Timing gears

b. Valve rods and Push rods

c. Rocker arms

d. Main bearings of crankshaft

Answer : b. Valve rods and Push rods

Supercharging -

a. Increases intake pressure

b. Increases intake temperature

c. Increases flame speed

d. All of these

Answer : d. All of these

Turbochargers are generally-

a. Centrifugal compressors

c. Vane blowers

b. Reciprocating compressors       

d. Roots blower

Answer : a. Centrifugal compressors

In which of the following compressors,

a slip coupling is used between the engine

and compressor for the variable speed

operations of the engines?

a. Piston cylinder type

b  Root blower

c. Vane type blower

d. Centrifugal compressor

d. Centrifugal compressor

If  the temperature of intake air in I.C. engine is

lowered, then its efficiency will ………..

a. Increase

b. Decrease

c  Remain same

d.   No effect

Answer : a. Increase

Air fuel ratio for idling speed of a petrol engine is approximately …

a. 1:1

b. 5:1

c. 10:1

d. 15:1

Answer : c. 10:1

A muffler between the exhaust manifold and

 the end of the exhaust pipe causes …………..

a. A decrease in exhaust gas pressure

b. An increase in exhaust gas pressure

c. No change in exhaust gas pressure

d. Either (a) or (b) .

Answer : b. An increase in exhaust gas pressure

The air fuel ratio of the petrol engine is controlled by ……….

a. Fuel pump

b. Governor 

c. Injector

d. Carburettor

Answer : d. Carburettor

In a diesei engine, the fuel is ignited by-

a. Spark

b. Injected fuel

c. Heat resulting from compressing air that is supplied for combustion

d. Ignition

Answer : c

ECU enabled electronic injection system is used for -

a. Calculating the appropriate injection timing

b. Meeting only certain operating conditions

c. Closing the injection valve only

d. None of the above

Answer : . None of the above

Scavenging air in diesel engine means -

a. Air used for combustion sent under pressure

b. Forced air for cooling cylinder

c. Burnt air containing products of combustion

d. Air used for forcing burnt gases out of engines

cylinder during the exhaust period

Answer : d

Fuel is injected in a four-stroke CI engine-

a. At the end of suction stroke

b. At the end of expansion stroke

c. At the end of compression stroke

d. At the end of exhaust stroke

Answer : c. At the end of compression stroke

……….. of fuel is independent of cranking speed and

therefore starting will be easier,
a. Ignition

b. Atomization

c. Condensation

d.  None of these

Answer : b. Atomization

When the engine is cold, the  ………….. plate

will be in closed position.

a. Nozzle

b. Throttle

c. Air

d. None of these

Answer : b. Throttle

Fugitive emissions consist of-

a. Street dust

b. Dust from construction activities

c. Dust from farm cultivation

d. All of these

Answer : d. All of these

The function of automobile catalytic converter is to

control emissions of-

a. Carbon dioxide and hydrogen

b. Carbon monoxide and hydrogen

c. Carbon monoxide and carbon dioxide

d. Carbon monoxide and nitrogen dioxide

Answer : d . Carbon monoxide and nitrogen dioxide

Gaseous pollutants include-

a. Biological decay

b. Forest fires

c. Volcanic eruptions

d. All of these

Answer : d. All of these

An alternator is also called ……….

a. Synchronous generator

b. Turbo generator

c. Asynchronous generator

d. Generator

Answer : a. Synchronous generator

To get a maximum output current, IC regulation

are provided with

a. Radiation source

b. Heat sink

c. peak detector                                                                                                                                                                                     d. None of these                                                                                                                                                                     Answer : b. Heat sink

3 - point starter is used to start the ……..  

a. Series motor

b. Shunt motor

c. Compound motor                                                                                                                                                                               d. only (b)and (c)                                                                                                                                                                        Answer : d. only (b)and (c)

The full form of MPF1 is ……….
a. Multi Point Fuel Injection
b. Multi Piston Fuel Injection

c. Main Point Fuel Injection

d. Multi Point Fuel Ignition

Answer : a. Multi Point Fuel Injection

EGR stands for -

a. Exhaust Gas Recirculation

b. Engine Gas Recirculation

c. Engine Gas Recycling

d. Exhaust Gas Re-injection

Answer : a. Exhaust Gas Recirculation

To prevent overload and overheating of wires-

a. Fuses are used only

b. Circuit breakers are used only

c. Fuses and circuit breakers are used

d. Fuses and resistor are used

Answer : c. Fuses and circuit breakers are used

The effects of  knocking are ……..

a. Noise and roughness

b. Mechanical damage .  

c. Carbon deposits

d   Allot these

Answer: a. Noise and  roughness

A hydraulic coupling belongs to the category of ………

a. Power absorbing machines

b. Energy transfer machines

c. Power developing machines

d. Energy generating machines

Answer: d. Energy generating machines

In water cooling, the water in the jackets obtains heat from the.

Cylinders due to-
a. Conduction

b. Convection

c. Radiation                                                                                                                                                                                d. All of these

Answer: a. Conduction

Which of the following is the most abundant hydrocarbon

which is emitted into the atmosphere by biological activity?

a. Ethane

b. Methane

c. Poly Aromatic hydrocarbons

d. Pentane

Answer: b. Methane