Manufacturing Technology (3151912) MCQs

MCQs of Forming and Shaping Processes

Showing 21 to 30 out of 52 Questions
1 2 3 4 5 6
21.

The blank diameter used in thread rolling will be

(a)

equal to minor diameter of the thread
(b)

equal to pitch diameter of the thread
(c)

a little larger than the minor diameter of the thread
(d)

a little larger than the pitch diameter of the thread
Answer:

Option (c)

22.

A moving mandrel is used in

(a)

wiredrawing
(b)

tube drawing
(c)

metal cutting
(d)

forging
Answer:

Option (b)

23.

A cylindrical section having no joints is known as ,

(a)

Seamless
(b)

Ideal
(c)

Economical
(d)

Perfect
Answer:

Option (a)

24.

Seamless tubes are made by

(a)

Piercing
(b)

Extrusion
(c)

Cold rolling
(d)

Plug rolling
Answer:

Option (a)

25.

Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?

(a)

Drawing
(b)

Extrusion
(c)

Rolling
(d)

Extrusion and rolling
Answer:

Option (d)

26.

The fullers are used

(a)

for finishing flat surfaces
(b)

for necking down a piece of work
(c)

for punching a hole
(d)

to finish the punched hole
Answer:

Option (b)

27.

The upsetting is a process of

(a)

increasing the cross-section of a bar
(b)

reducing the cross-section of a bar
(c)

joining the two surfaces of metal under pressure after heating
(d)

bending of a bar
Answer:

Option (a)

28.

The process of decreasing the cross-section of a bar and increasing its length, is called

(a)

drawing down
(b)

upsetting
(c)

spinning
(d)

peening
Answer:

Option (a)

29.

Forging of plain carbon steel is carried out at

(a)

750°C
(b)

900°C
(c)

1100°C
(d)

1300°C
Answer:

Option (d)

30.

The cold chisels are made by

(a)

drawing
(b)

rolling
(c)

piercing
(d)

forging
Answer:

Option (d)

Showing 21 to 30 out of 52 Questions
1 2 3 4 5 6