Manufacturing Technology (3151912) MCQs

MCQs of Metal Joining Processes

Showing 111 to 120 out of 137 Questions
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111.

Forge welding is best suited for

(a)

Stainless steel
(b)

High carbon steel
(c)

Cast iron
(d)

Wrought iron
Answer:

Option (d)

112.

Laser welding finds widest application in

(a)

Heavy industry
(b)

Structural work
(c)

Process industry
(d)

Electronic industry
Answer:

Option (d)

113.

The temperature of the plasma torch is of the order of

(a)

1000°C
(b)

5000°C
(c)

10,000°C
(d)

33,000°C
Answer:

Option (d)

114.

Two stainless steel foils of 0.1 mm thickness are to be joined. Which of the following processes would be best suited

(a)

Gas Welding
(b)

MIG welding
(c)

Electroslag welding
(d)

Plasma arc welding
Answer:

Option (d)

115.

Most of the oxy-acetylene welding is done with

(a)

neutral flame
(b)

oxidising flame
(c)

carburising flame
(d)

all of these
Answer:

Option (a)

116.

The brass and bronze are welded by __________ flame

(a)

neutral
(b)

oxidising
(c)

carburising
(d)

all of these
Answer:

Option (b)

117.

The temperature of the inner luminous cone of neutral flame is about

(a)

1000° C
(b)

1250° C
(c)

2100° C
(d)

3200° C
Answer:

Option (d)

118.

Oxygen to acetylene ratio in case of neutral flame is

(a)

0.8 : 1
(b)

1:1
(c)

1.2 : 1
(d)

2:1
Answer:

Option (b)

119.

Oxygen to acetylene ratio in case of oxidising flame is

(a)

1:1
(b)

1.2 : 1
(c)

1.5 : 1
(d)

3:1
Answer:

Option (c)

120.

Oxygen to acetylene ratio in case of carburising flame is

(a)

0.5 : 1
(b)

0.9 : 1
(c)

1:1
(d)

2:1
Answer:

Option (b)

Showing 111 to 120 out of 137 Questions
9 10 11 12 13 14