Quiz Questions - ITI Quiz - 07-Feb-2026 01:36 PM

Question 1 1 Marks

What is the centre of gravity of a rectangular body?

A

Longer side of rectangle

B

Shorter side of rectangle

C

At the point of intersection of its diagonals

D

At the corners

Question 2 1 Marks

Which state of equilibrium's example is, A cone resting on its base?

A

Un-stable

B

Neutral

C

Stable

D

Bothe A and B

Question 3 1 Marks

What is the centre of gravity of a sphere?

A

At the centre

B

On the circumference

C

At the diameter

D

At the radius

Question 4 1 Marks

Where the centre of gravity of a circle lies?

A

At its centre

B

Any where on its radius

C

Any where on its circumference

D

Any where on its diameter

Question 5 1 Marks

Which affects the centre of gravity of the object

A

Weight

B

Mass

C

Density

D

Shape

Question 6 1 Marks

What is the centre of gravity of a semi circle of diameter 12 cm?

A

2.24 cm

B

2.54 cm

C

3.25 cm

D

2.75 cm

Question 7 1 Marks

What is the centre of gravity of a right circular cone from its base?

A

h/2

B

h/3

C

h/4

D

h/5

Question 8 1 Marks

What is the centre of gravity of a solid hemisphere from its base?

A

4r/5

B

3r/8

C

3r/4

D

r/2

Question 9 1 Marks

Which one of the following geometrical shape's centre of gravity lies from its base is 1/3 of its height?

A

Square

B

Rhombus

C

Triangle

D

Cone

Question 10 1 Marks

What is the name of the point at which all the weight of the body concentrated?

A

Initial point

B

Centre of gravity

C

Centroid

D

Central point

Question 11 1 Marks

Which state of equilibrium's example is A cone resting on its tip?

A

Stable

B

Neutral

C

Unstable

D

Horizontal

Question 12 1 Marks

What is the purpose of tempering a steel?

A

To reduce the brittleness

B

To remove the ductility

C

To increase the hardness

D

To increase the brittleness

Question 13 1 Marks

What is the name of the structure formed, if a steel is heated for about 723 Degree C?

A

Cementide

B

Austenite

C

Martensite

D

Ferrite

Question 14 1 Marks

Which heat treatment process is done to refine the grain structure of the steel?

A

Annealing

B

Normalising

C

Hardening

D

Tempering

Question 15 1 Marks

What are the various types of heat treatment processes?

A

Annealing, Normalising, Hardening and Tempering

B

Normalising, Heating, Cooling and Painting

C

Hardening, Soaking, Painting and Packing

D

Tempering, Cooling, Packing and Solling

Question 16 1 Marks

How much time is allowed normally in soaking zone for a 10mm thick metal piece while hardening?

A

5 minutes

B

10 minutes

C

15 minutes

D

20 minutes

Question 17 1 Marks

What is the name of heat treatment process done to relieve strain and stress?

A

Normalising

B

Annealing

C

Hardening

D

Tempering

Question 18 1 Marks

What is the process of heat treatment?

A

The process of heating and cooling to change the structure and properties

B

The process of heating to change the dimensions

C

The process of cooling to measure the dimensions

D

The process of heating and bending as per our requirement

Question 19 1 Marks

Which is a kind of surface hardening process?

A

Cementide

B

Ferrite

C

Nitriding

D

Tempering

Question 20 1 Marks

Which is the suitable nitriding process for all alloyed and unalloyed steels?

A

Silver nitriding

B

Nitriding in salt-bath

C

Nitriding in Quenching tank

D

Gas nitriding

Question 21 1 Marks

Which process produce equilibrium conditions?

A

Annealing and Hardening

B

Normalising and Tempering

C

Annealing and Normalising

D

Normalising and Tempering

Question 22 1 Marks

Which process steel is heated in a carbonaceous atmosphere for the penetration of carbon?

A

Case hardening

B

Nitriding

C

Carburising

D

Induction hardening

Question 23 1 Marks

What is colour of a metal piece when heated to 250 Degree C while doing the tempering process?

A

Blue

B

Brown

C

Purple

D

Pale

Question 24 1 Marks

What are the various stages of heat treatment?

A

Heating, Cooling and Quenching

B

Quenching, Cooling and Heating

C

Heating, Soaking and Quenching

D

Soaking, Quenching and Cooling

Question 25 1 Marks

What is the name of the heat treatment process, where the metal is heated and quenched in water or oil?

A

Hardening

B

Normalising and Tempering

C

Annealing

D

Tempering