Advanced Manufacturing Processes (3161922) MCQs

MCQs of Glass Science

Showing 31 to 40 out of 47 Questions
31.

The temperature of the glass melting furnace is around?

(a)

1000oC

(b)

1500oC

(c)

2000oC

(d)

3000oC

Answer:

Option (b)

32.

What is the temperature during the formation of the gob?

(a)

 1100oC

(b)

500oC

(c)

2000oC

(d)

800oC

Answer:

Option (a)

33.

Which of the following processes is absent in the glass manufacturing process?

(a)

Sintering

(b)

Annealing

(c)

Shaping or forming

(d)

Melting

Answer:

Option (a)

34.

Which of the following is not a process involved in glass production?

(a)

Extrusion

(b)

Forming and shaping

(c)

Heat treatment

(d)

Finishing

Answer:

Option (a)

35.

Which operation does the below figure represent?

(a)

Drawing

(b)

Pressing

(c)

Blowing

(d)

Rolling

Answer:

Option (c)

36.

Which forming operation does the below figure represent?

(a)

Drawing

(b)

Pressing

(c)

Floating

(d)

Rolling

Answer:

Option (a)

37.

Which forming method is used for the production of hollow glasses?

(a)

Blowing

(b)

Pressing

(c)

Drawing

(d)

Casting

Answer:

Option (a)

38.

Which method of forming cannot be used to produce sheet glass?

(a)

Floating

(b)

Rolling

(c)

Drawing

(d)

Casting

Answer:

Option (d)

39.

The process of converting a gob of glass into a bottle or jar is called __________.

(a)

threading

(b)

moulding

(c)

forming

(d)

annealing

Answer:

Option (c)

40.

What is the preform before the formation of the final glass jar called?

(a)

Mold

(b)

Gob

(c)

Tube

(d)

Parison

Answer:

Option (d)

Showing 31 to 40 out of 47 Questions