Manufacturing Technology (3151912) MCQs

MCQs of Metal Joining Processes

Showing 121 to 130 out of 137 Questions
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121.

Carburising flame is used to weld metals like

(a)

Steel
(b)

Copper and brass
(c)

Aluminium, stainless steel, zinc die castings, nickel, monel etc
(d)

Carburised steel
Answer:

Option (c)

122.

Neutral flame has

(a)

1 zone
(b)

2 zones
(c)

3 zones
(d)

4 zones
Answer:

Option (b)

123.

Carburising flame has

(a)

1 zone
(b)

2 zones
(c)

3 zones
(d)

4 zones
Answer:

Option (c)

124.

Neutral flame is used to weld metals like

(a)

Steel
(b)

Copper and brass
(c)

Aluminium, stainless steel, zinc die castings, nickel, mond etc
(d)

Neutral materials
Answer:

Option (a)

125.

Oxidising flame is used to weld metals like

(a)

Steel
(b)

Copper and brass
(c)

Aluminium, stainless steel, zinc die castings, nickel, monel etc
(d)

Abrasives
Answer:

Option (b)

126.

In fore-hand welding, the angle between the welding rod and the work is kept as

(a)

30°-40°
(b)

40°-50°
(c)

50°-60°
(d)

60°-70°
Answer:

Option (a)

127.

In forehand gas welding operation, the angle between the torch and work is kept around

(a)

30°
(b)

45°
(c)

60°
(d)

75°
Answer:

Option (b)

128.

In fore-hand welding, the weld is made

(a)

from left to right
(b)

from right to left
(c)

first from left to right and then from right to left
(d)

either from left to right or from right to left
Answer:

Option (b)

129.

Neutral flame is usd to weld

(a)

steel
(b)

cast iron
(c)

copper
(d)

all of these
Answer:

Option (d)

130.

In forehand gas welding operation, the angle between the rod and work is kept around

(a)

Forehand
(b)

Backhand
(c)

Straight hand
(d)

Inclined hand
Answer:

Option (a)

Showing 121 to 130 out of 137 Questions
9 10 11 12 13 14