Manufacturing Technology (3151912) MCQs

MCQs of Metal Joining Processes

Showing 31 to 40 out of 137 Questions
31.

The carburising flame as compared to oxidising flame is

(a)

More luminous

(b)

Less luminous

(c)

Equally luminous

(d)

Unpredictable

Answer:

Option (a)

32.

The material which can be best cut with oxygen cutting process is

(a)

mild steel

(b)

brass

(c)

copper

(d)

aluminium

Answer:

Option (a)

33.

Acetylene gas is stored in cylinders in

(a)

solid form

(b)

gaseous form

(c)

liquid form

(d)

any one of these

Answer:

Option (c)

34.

The oxygen cylinder is usually painted with

(a)

black colour

(b)

white colour

(c)

maroon colour

(d)

yellow colour

Answer:

Option (a)

35.

Cylinders in which oxygen gas is stored are

(a)

Fabricated by casting

(b)

Seamless steel cylinders

(c)

Fabricated by forging

(d)

Properly heat treated

Answer:

Option (b)

36.

The maximum flame temperature occurs

(a)

at the outer cone

(b)

at the inner cone

(c)

between the outer and inner cone

(d)

at the torch tip

Answer:

Option (b)

37.

The acetylene cylinder is usually painted with

(a)

black colour

(b)

white colour

(c)

maroon colour

(d)

yellow colour

Answer:

Option (c)

38.

Acetylene is stored in the gas cylinders

(a)

In gaseous form

(b)

In liquid form

(c)

In liquid form

(d)

Under high pressure

Answer:

Option (b)

39.

The acetylene cylinder is filled with a material saturated with

(a)

Calcium carbide

(b)

Calcium oxide

(c)

Black carbon

(d)

Acetone

Answer:

Option (d)

40.

In a gas welding of mild steel using an oxy-acetylene flame, the total amount of acetylene consumed is 10 litre. The oxygen consumption from the cylinder is

(a)

5 litre

(b)

10 litre

(c)

15 litre

(d)

20 litre

Answer:

Option (b)

Showing 31 to 40 out of 137 Questions