Quiz Questions - ITI Quiz - 30-May-2026 09:15 AM

Question 1 1 Marks

Which of the following structures of steel is obtained due to the drastic cooling form the austenite structure?

A

Pearlite

B

Cementite

C

Martensite

D

Ferrite

Question 2 1 Marks

What is the representation of zero line in limit and fits?

A

Basic size

B

Actual size

C

Nominal size

D

Tolerance size

Question 3 1 Marks

What is direction of finishing in surface texture?

A

Flaw

B

Lay

C

Waviness

D

Roughness

Question 4 1 Marks

What is the representation IT in limits and fits?

A

Tolerance

B

Tolerance grade

C

Tolerance unit

D

Tolerance number

Question 5 1 Marks

Which material is used to make the stylus of mechanical surface indicator?

A

Mild steel

B

High carbon steel

C

High speed steel

D

Diamond

Question 6 1 Marks

Which deviation is zero in shfrt basis system?

A

Upper devication is zero

B

Lower deviation is zero

C

Both upper and lower deviation is zero

D

Both upper and lower deviation is below basic size

Question 7 1 Marks

What is the type of fit in expression 75 H8/j7?

A

Transition fit

B

Clearance fit

C

Interference fit

D

Force fit

Question 8 1 Marks

Which one of the following heat treatment process produces a scale free surface on the components?

A

Flame hardening

B

Case hardening

C

Nitriding

D

Induction hardening

Question 9 1 Marks

Which one of the following is the solid carburizing material?

A

Charcoal

B

Petrol

C

Ammonia

D

Kerosene

Question 10 1 Marks

What is the process of increasing carbon percentage on the surface of low carbon steel?

A

Hardening

B

Nitriding

C

Carburizing

D

Tempering

Question 11 1 Marks

What is the name of the pattern of work surface caused by the movement of cutting tool?

A

Surface texture

B

Roughness

C

Roughness facing

D

Waviness

Question 12 1 Marks

Which axis the tool moves in taper turning attachment?

A

Perpendicular to lathe axis

B

Parallel to lathe axis

C

Angular to lathe axis

D

Vertical to lathe axis

Question 13 1 Marks

Which is used to prevent concentration of abrasives on lapping surface?

A

Vehicle

B

Holder

C

Absorber

D

Retainer

Question 14 1 Marks

Which one of the advantage of mass production?

A

Special purpose machinery are necessary

B

Jigs and fixture are needed

C

Gauges are to be used

D

Time for manufacturing of components is reduced

Question 15 1 Marks

Which one of the following is disadvantages of taper turning by attachments?

A

Both external and internal tapers can be produced

B

Power feed can be produced

C

Length taper can be produced

D

Only limited taper angle can be turned

Question 16 1 Marks

What is the types of fit for the expression 20H7/g6?

A

Interference fit

B

Clearance fit

C

Trasition fit

D

Force fit

Question 17 1 Marks

What is the type of fit if minimum size of the shaft is larger than maximum size of hole?

A

Interference

B

Clearance

C

Trasition

D

Running

Question 18 1 Marks

What heat treatment process the nitriding comes under?

A

Hardening

B

Case hardening

C

Tempering

D

Normalizing

Question 19 1 Marks

Which surface is finished by honing?

A

External cylindrical surface

B

Internal cylindrical surface

C

Both external and internal surface

D

Flat surface

Question 20 1 Marks

In Which case hardening process the ammonia gas is introduced?

A

Cyaniding

B

Gas nitriding

C

Carburizing

D

Induction hardening

Question 21 1 Marks

What is 7 with expression of fit 30H7/g6?

A

Hole tolerance grade

B

Shaft tolerance grade

C

Shaft and hole tolerance

D

Shaft and hole allowance

Question 22 1 Marks

What is the purpose of normalizing steel?

A

Remove induced stresses

B

Improve machinability

C

Soften the steel

D

Increase the toughness and reduce brittleness

Question 23 1 Marks

What does QA and QC stand for?

A

Quality assurance and quenching control

B

Quality adjustment and quality complete

C

Quality assurance and quality control

D

Quality assurance and quenching control

Question 24 1 Marks

What is the hole basis system?

A

Size of shaft is constant

B

Size of hole is constant

C

Size of the hole is varied

D

Size of both hole and shaft are varied

Question 25 1 Marks

Which deviation is zero in hole basis system?

A

Lower deviation is zero

B

Upper deviation is zero

C

Both upper and lower deviation is zero

D

Both upper and lower deviation is below basic size

Question 26 1 Marks

Which heat process is increase the toughness and decrease the brittleness?

A

Annealing

B

Normalizing

C

Tempering

D

Case hardening

Question 27 1 Marks

What is the heating temperature in gas nitriding process?

A

Up 200 Degree Celsius

B

Up 300 Degree Celsius

C

Up 400 Degree Celsius

D

Up 500 Degree Celsius

Question 28 1 Marks

Why heat treatment of metal is necessary?

A

To produce certain desired properties

B

To make good appearance on the component

C

To increase strength of the metal

D

To make the metal rust-proof

Question 29 1 Marks

Which metal is to be case hardened?

A

High carbon steel

B

Cast iron (heavy parts)

C

Low carbon steel parts

D

Alloy steel parts

Question 30 1 Marks

What is 'L' in tailstock offset method?

A

Length of the taper

B

Length of the job

C

Amount taper

D

Length of offset

Question 31 1 Marks

How many fundamental deviations are recommended by BIS?

A

25

B

24

C

20

D

30

Question 32 1 Marks

What is the preheating temperature of steel?

A

Upto 400 Degree Centigrade

B

Upto 500 Degree Centigrade

C

Upto 600 Degree Centigrade

D

Upto 300 Degree Centigrade

Question 33 1 Marks

What is the type of fit for the expression Fit 25H7/p6?

A

Interference fit

B

Clearance fit

C

Trasition fit

D

Running fit

Question 34 1 Marks

What does AQL stands for?

A

Aquired quality limit

B

Acceptance quality limit

C

Another quality limit

D

Acceptance quality level

Question 35 1 Marks

Which gas is used in nitriding process?

A

Ammonia

B

Helium

C

Carbon dioxide

D

Hydrogen

Question 36 1 Marks

Which one of the following is disadvantage of tailstock offset method?

A

Power feed can be given

B

Good surface finish can be obtained

C

External taper thread can be produce

D

Only external taper can be turned

Question 37 1 Marks

Which heat treatment process is used to reduce internal stresses of a hardened tool?

A

Stabilizing

B

Annealing

C

Normalizing

D

Tempering

Question 38 1 Marks

How the turning tool is moving in tail strock offset method?

A

Perpendicular to lathe axis

B

Angular to lathe axis

C

Parallel to lathe axis

D

Vertical to lathe axis

Question 39 1 Marks

Which of the following property of metal is impart by annealing?

A

Hardness

B

Toughness

C

Ductility

D

Surface hardness

Question 40 1 Marks

Which letter represents basic hole?

A

h

B

H

C

Bh

D

BH

Question 41 1 Marks

Which of the following abrasive is preferred for lapping soft steels and non-ferrous metal?

A

Silicon carbide

B

Natural corundum

C

Aluminium oxide

D

Boron carbide

Question 42 1 Marks

What is the type of fit if minimum size of hole is larger than maximum size of shaft?

A

Clearance

B

Interferance

C

Transition

D

Force

Question 43 1 Marks

Where the taper threads are used?

A

Bolt

B

Wood screw

C

Stud

D

Nut

Question 44 1 Marks

What is the unit of deviation in limits and fits?

A

Millimeter

B

Centimeter

C

Micron

D

Mill micron