ITI Fitter Trade 50 MCQs Practice Questions

ITI Fitter Trade 50 MCQs Practice Questions Part 7 | Fitter Multiple Choice Question Set Part 7 | Practice question for ITI students trade Fitter | Fitter trade MCQ for ITI trainees.

(1.) Which special file is used for narrow work?

(a.) Pillar file

(b.) Square file

(c.) Dread naught file

(d.) Swiss pattern file

(2.) Why slots are provided in the slotted castle
nuts?

(a.) To fix split pins

(b.) For good appearance

(c.) Reduce the weight of nut

(d.) For easy removal and fitment

(3.) Which gauge is used to check the gap between
the mating parts?

(a.) Slip gauge

(b.) Plug gauge

(c.) Feeler gauge

(d.) Radius gauge

(4.) Which material is used to clean the slip gauge?

(a.) Wax

(b.) Kerosene

(c.) Soluble oil

(d.) Carbon tetra chloride

(5.) Which material is to wash off the lapping plate
after charging?

(a.) Oil

(b.) Kerosene

(c.) Coolant oil

(d.) Petroleum jelly

(6.) Which material is used to protect slip gauge
from rust?

(a.) Oil

(b.) Wax

(c.) Kerosene

(d.) Petroleum jelly

(7.) Which finishing process have a high degree of
dimensional accuracy?

(a.) Filing

(b.) Turning

(c.) Grinding

(d.) Lapping

(8.) Which is the abrasive used for lapping soft
steel and non-ferrous metals?

(a.) Silicon carbide

(b.) Diamond

(c.) Boron carbide

(d.) Fused alumina

(9.) Why grooves are provided on the surface of
the lapping plate ?

(a.) To allow expansion

(b.) To provide clearance

(c.) To retain the abrasive

(d.) To permit minor adjustment

(10.) What is the name of the heat treatment
process for reheating the hardened steel to a
temperature below 400°C followed by cooling?

(a.) Annealing

(b.) Hardening

(c.) Tempering

(d.) Normalising

(11.) Why the tempering process carried out in
steel?

(a.) To add cutting ability

(b.) To relive strain and stress

(c.) To refine the grain structure

(d.) To regulate the hardness and toughness

(12.) What is the purpose of annealing in steel?

(a.) To add cutting ability

(b.) To increase wear resistance

(c.) To relieve the internal stress

(d.) To refine the grain structure of the steel

(13.) What is the purpose of key?

(a.) To transmit torque

(b.) Assembly purpose

(c.) Lock the assembly part

(d.) Permit clearance between mating part

(14.) What is the ratio of key way taper?

(a.) 01:19:00

(b.) 01:20:00

(c.) 01:50:00

(d.) 1:100

(15.) Which type of metal screws useful for self
tapping on hard or brittle materials?

(a.) Self piercing

(b.) Thread cutting

(c.) Thread forming

(d.) Hammer driven screw

(16.) What is the advantage of wing nut?

(a.) In coach building work

(b.) Heavy duty assembly work

(c.) Loosen and tighten without wrench

(d.) Provide decorative appearance

(17.) Which gauge is used to check the accuracy of
an external thread?

(a.) Snap gauge

(b.) Thread ring gauge

(c.) Thread plug gauge

(d.) Centre gauge

(18.) How many set of feeler gauges are available
as per BIS?

(a.) Set No: 1, 2

(b.) Set No: 1, 2, 3, 4

(c.) Set No: 1, 2, 3, 4, 5

(d.) Set No: 1, 2, 3, 4, 5, 6

(19.) What material is used to make radius and
fillet gauge?

(a.) Tool steel

(b.) Hardened steel sheet

(c.) High carbon steel

(d.) Medium carbon steel

(20.) What is the purpose of slit provided in the
lapping tool?

(a.) For clearance

(b.) For expansion

(c.) To retain abrasive

(d.) To adjust the sleeve

(21.) What type of abrasives are used in honing
cast iron and non-ferrous materials?

(a.) Diamond

(b.) Boron carbide

(c.) Silicon carbide

(d.) Aluminium oxide

(22.) Which method of surface hardening, the
surface remains free from scales?

(a.) Nitriding

(b.) Case hardening

(c.) Flame hardening

(d.) Induction hardening

(23.) What is the process if the steel is heated
above critical temperature and soaking it for
sufficient time and cooling it very slowly within
furnace?

(a.) Annealing

(b.) Hardening

(c.) Tempering

(d.) Normalising

(24.) What is the process to refine the structure of
steel component?

(a.) Tempering

(b.) Annealing

(c.) Hardening

(d.) Normalising

(25.) Which method of surface hardening is done in
a heated salt bath?

(a.) Flame hardening

(b.) Gas carburising

(c.) Pack carburising

(d.) Liquid carburising

(26.) Which key has rectangular cross section is fit
into keyway cut on both shaft and hub?

(a.) Sunk key

(b.) Feather key

(c.) Flat saddle key

(d.) Hollow saddle key

(27.) Which key is useful for fitting on tapered
shafts?

(a.) Feather key

(b.) Gib head key

(c.) Woodruff key

(d.) Flat saddle key

(28.) Where is circular taper key used?

(a.) Light duty transmission

(b.) Bi-directional rotation

(c.) Lengthy shaft

(d.) Tapered shaft

(29.) How the plain bearings are kept in a position
without allowing them to rotate along with the
shaft?

(a.) By clamps

(b.) By bolt and nut

(c.) By key or screws

(d.) By locking device

(30.) What is the file for lock repair and filing hard
notches in keys?

(a.) Pillar file

(b.) Flexible file

(c.) Warding file

(d.) Swiss pattern file

(31.) What is the advantage of lock washer?

(a.) Provide increased bearing surface

(b.) Prevent the damage to the surface

(c.) Distribute even pressure on working surface

(d.) Prevent bolt or nut from loosening under vibration

(32.) What is the advantage of using Gib headed
key?

(a.) Used for tapered fittings

(b.) Can be withdrawn easily

(c.) Provides unidirectional torque

(d.) Good in high speed application

(33.) Which file is used for finishing sharp corners?

(a.) Pillar file

(b.) Riffler file

(c.) Barrette file

(d.) Warding file

(34.) Which device is used to check the workpiece
to confirm the shape?

(a.) Profile gauge

(b.) Snap gauge

(c.) Caliper gauge

(d.) Progressive gauge

(35.) What is the purpose of feeler gauge?

(a.) Check the depth of drilled hole

(b.) Check the pitch of screw thread

(c.) Check the radius of workpiece

(d.) Check the gap between the mating parts

(36.) Which gauge is used to check the outside
diameter of a cylindrical shaft?

(a.) Plug gauge

(b.) Plain ring gauge

(c.) Taper ring gauge

(d.) Progressive plug gauge

(37.) What is the act of joining the slip gauges
together for building up sizes?

(a.) Glazing

(b.) Pinning

(c.) Loading

(d.) Wringing

(38.) What material is used to make sine bar?

(a.) Invar steel

(b.) High speed steel

(c.) High carbon steel

(d.) Stabilized chromium steel

(39.) How the length of sine bar is specified?

(a.) Distance between outer point of roller

(b.) Distance between inner point of roller

(c.) Distance between centre point of rollers

(d.) Distance between the edges of sine bar

(40.) Which one forms the hypotenuse of the
triangle while checking with sine bar?

(a.) Surface plate

(b.) Sine bar width

(c.) Sine bar length

(d.) Slip gauges height

(41.) What is the effect of excessive application of
abrasive compound in lapping operation ?

(a.) Developing inaccuracies

(b.) Bright spots will be visible

(c.) Obstruct component movement

(d.) Lapping compound will be sticky

(42.) What is caused if the lap is harder than the
workpiece?

(a.) Workpiece will cut the lap

(b.) Accuracy can’t be obtained

(c.) Lap will cut the workpiece

(d.) Lapping operation leaves high spots

(43.) Which material is used to make small
diameter laps?

(a.) Cast iron

(b.) Aluminium

(c.) Bronze or zinc

(d.) Copper or brass

(44.) Why manual stroking is preferred for large
quantities in honing operation?

(a.) To reduce cost

(b.) To reduce time

(c.) To keep close tolerance

(d.) To reduce maintenance cost

(45.) What is the purpose of hardening?

(a.) Refine the structure

(b.) Increase toughness

(c.) Increase cutting ability

(d.) Relieve stress and strain

(46.) Which method of heat treatment to improve
machinability and ductility in the job?

(a.) Annealing

(b.) Hardening

(c.) Tempering

(d.) Normalizing

(47.) What is the disadvantage of flame hardening
in the heat treatment process?

(a.) More distortion

(b.) Long hardening time

(c.) Small depth of hardening

(d.) Not suitable for small workpieces

(48.) What is the name of method in metallic
coating done by rolling or drawing the layers of
metal on the base metal?

(a.) Spraying

(b.) Cladding

(c.) Enameling

(d.) Molten metal bath

(49.) Which type of key used if the hub of pulley
has to axially slide on the shaft to some distance?

(a.) Feather key

(b.) Flat saddle key

(c.) Circular taper key

(d.) Hallow saddle key

(50.) Which nut protects the bolt end thread from
damages?

(a.) Cap nut

(b.) Castle nut

(c.) Slotted nut

(d.) Knurled nut

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ITI Fitter Trade 50 MCQs Practice Questions – Part 7

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