FITTER
(THEORY)
SEMESTER – july 17

V-block (vee locators) are used for clamping

as well as locating when faces are inclined
upto:-

a)   30⁰       

b)   12⁰

c)    9⁰

d)    3⁰

Answer: a)   30⁰       

Gun metal is an alloy of copper:
a) Tin and Zinc
b) Lead and Zinc
c) Zinc and Nickel

d) Lead and Nickel

Answer: a) Tin and Zinc

Brass in an alloy of
a) Copper and Tin
b) Lead and Tin

c) Copper and Zinc

d) Copper and Silver

Answer: c) Copper and Zinc

TQM is meant to satisfy______.

a) Shareholders

b) Consumers

c) People in the organization

d)All of these

Answer: d)All of these

 Which one of the following thread forms on bolts and nuts is meant for general fastening
purposes?

a) ' Vs thread

b) Square thread

c) Knuckle threads

d) Acme threads

Answer: b) Square thread

A tab washer is used for___.

a) Self-locking

b) Locking the nuts

c) Avoiding vibration

d) Fastening vibration work

Answer: b) Locking the nuts

In a pneumatic system, a sensor serves the purpose of _
a) Transmission

b) Control

c) Feedback

d) Storage

Answer: c) Feedback

The storage space of a fluid is called_.

a) Strainer

b) Reservoir

c) Plug

d) Pump

Answer: b) Reservoir

Viscosity is an internal property of a fluid, it is a measure of its resistance to :-
a) Current

b) Light

c) Sound

d) Flow

Answer: d) Flow

Which one of the following reason in responsible for shearing of rivet in a riveted joint?
a) Diameter of the rivet is too small

b) Diameter of the rivet is too large

c) Thickness of plates vary

d) Pitch of the holes is too small

Answer: a) Diameter of the rivet is too small

Which type of key is used for coupling a pulley with a shaft?
a) Square key

b) Woodruff key

c) Gib head key

d) Flat saddle key

Answer: c) Gib head key

The brass used making the joint in brazing for soldering material
a) Flux

b) Borax

c) Spelter

d) Soft soldering

Answer: c) Spelter

Which material is used for joining CI pipe?

a) Brass

b) Tin

c) Lead

d) Corrosion

Answer: c) Lead

Electroplating is done on jobs to resist corrosion. Which pole of a D.C supply is
connected to the work in electroplating process?

a) Positive pole

b) Positive terminal post

c) Negative pole

d) Negative terminal post

Answer: b) Positive terminal post

Which pipe is used for interior work?

a) Steel pipe

b)PVCpipe

c) Wrought iron pipe

d) Lead pipe

Answer: c) Wrought iron pipe

What joint is used for temporary pipe line?

a) Expansion joint

b) Flange joint

c) Screwed joint

d) Collar joint

Answer: b) Flange joint

The function of a washer is ………..

a) To fill the axial gap

b) To provide cushioning effect

c) To absorb shock and vibrations

d) To provide bearing area

Answer: d) To provide bearing area

In a vee belt the angle between the side is_.

a) 10 degree

b) 20 degree

c) 30 degree

d) 40 degree

Answer: d) 40 degree

A jig is a device used for_.

a) Holding the work piece

b) Guiding the tool

c) Loosening the work piece

d) Holding the work piece and guide the tool

Answer: d) Holding the work piece and guide the tool

Typical locating device for cylindrical job used in jigs and fixtures

a) Drill jigs

b) V-block

c) Mandrels

d) Angle plate

Answer: b) V-block

To put off class 'B' fire the type of fire extinguisher used_

a) Dry powder

b) Foam type

c) Carbon dioxide

d) Jet of water

Answer: b) Foam type

Name the rivet head used for heavy fabrication work,
a) Flat head

b) Pan head

c) Snap head

d) Mushroom

Answer: b) Pan head

Belt slips reason is______

a) Less tension

b) Pulsating load

c) High starting torque

d) Shock load

Answer: a) Less tension

Which type of knot is used to joins two pieces of rope of equal diameters?
a) Slip knot

b) Bowline knot

c) Square knot

d) Sheep shank knot

Answer: b) Bowline knot

Which nonferrous metal tensile strength can be increased by hammering or rolling?
a) Lead

b) Copper

c) Tin

d) Zinc

Answer: b) Copper

Which type of thread is used for power screws?

a) Metric

b) Knuckle

c) Square

d) BSW

Answer: b) Knuckle

Soldering iron are made of copper because
a) It is heavy

b) It is a bad conductor of heat
c) It is thermal expansion is more

d) It is good conductor of heat

Answer: c) It is thermal expansion is more

Name the type of jig in which a base plate is not available,
a) Plate jig

b) Box jig

c) Trunnion jig

d) Latch jig

Answer: a) Plate jig

In case of electric fire, which one of the following should not use_

a) Put water on it

b) Use sand or clay

c) Use C.T.C. extinguisher

d) Use dry chemical powder

Answer: a) Put water on it

The best way of avoiding accident is by ……..

a) Doing work in ancient way

b) Doing work in one's own way

c) Observing safety rules related to job, machine and workplace

d) Using safety equipment

Answer: c) Observing safety rules related to job, machine and workplace

Oil fire extinguished by …..

a) Putting water on it

b) Foam extinguisher

c) Soda acid extinguisher

d) None of these

Answer: b) Foam extinguisher

In the process of soldering, you have noticed solder not sticking to sufficiently heated
copper soldering bit when rubbed over solder bar. What step do you take to overcome the
problem?

a) Pre- heat the solder

b) Clean the bit thoroughly

c) Change the soldering bit shape

d) Rub the bit over solder for longer period

Answer: b) Clean the bit thoroughly

Which flux is used for soldering?

a) Zinc chloride

b) Ammonium Chloride

c) Hydro chloric acid

d) All of these

Answer: d) All of these

In a riveted joint the edges of plates are simply laid over each other and riveted.
This joint is called_.

a) Lap joint

b) Butt joint

c) Edge joint

d) Corner joint

Answer: a) Lap joint

In a riveted joint the plates are placed end-to-end and jointed through cover plates. This
joint is called ……

a) Lap joint

b) Butt joint

c) Edge joint

d) Corner joint

Answer: b) Butt joint

An accident is_

a) Unplanned event
b) Non-controlled event
c) Undesirable event

d) All of these

Answer: d) All of these

Case hardening is a method of producing hard skin on the surface of ………
a) High-carbon steel parts

b) Cast iron (heavy parts)

c) Low-carbon steel parts

d) Alloy steel parts

Answer: c) Low-carbon steel parts

"Cyaniding" and "Nitriding" are two methods of_

a) Hardening

b) Case hardening

c) Tempering

d) Normalising

Answer: b) Case hardening

Medium solder contains
a) 37% lead and 63% tin

b) 50% lead and 50% tin
c) 70% lead and 50% tin

d) None of these

Answer: b) 50% lead and 50% tin

Melting temperature range of soft solder
a) 150-3 50 °c
b) 600-900 °c
c) 500-600°c

d) None of these

Answer: d) None of these

Best conductor of heat and electricity
a) Nickel
b) Copper
c) Chromium

d) Aluminium

Answer: b) Copper

The standard taper of pin
a) 1:20

c) 1:40

b) 1:30
d) 1:50

Answer: a) 1:20

The included angle for the V belt is usually in degrees _
a) 10 to 20

b) 20 to 30

c) 30 to 40

d) 60 to 80

Answer:

The size of gear is usually specified by
a) Pressure angle

b) Circular pitch
c) Diametrical pitch

d) PCD

Answer: d) PCD

For shaft in parallel and rotating in same direction the belt drive used

a) Open

b) Cross

c) Diagonal

d) None of these

Answer: a) Open

When close the pipe end is required fitting of_

a) Plug

b) Cap

c) Socket

d)Tee

Answer: a) Plug

The purpose of lubrication

a) To reduce friction

b) To reduce wear
c) Transfer heat produced

d) All of these

Answer: d) All of these

The rolling contact bearings are known as

a) Thick lubricated bearings
b) Plastic bearings

c) Thin lubricated bearings

d) Antifriction bearings

Answer: d) Antifriction bearings

Radial distance of a gear tooth from the pitch circle to the top of the tooth is known as: -
a) Addendum

b)Dedendum.

c) Module

d) Pitch

Answer: a) Addendum