Manufacturing Technology (3151912) MCQs

MCQs of Metal Joining Processes

Showing 11 to 20 out of 137 Questions
1 2 3 4 5 6
11.

Two sheets of same material' but different thickness can be butt welded by

(a)

Adjustment of the current
(b)

Time duration of current
(c)

Pressure applied
(d)

Changing the size of one electrode
Answer:

Option (d)

12.

Weld spalter is

(a)

Flux
(b)

Electrode coating
(c)

Welding defect
(d)

Welding test
Answer:

Option (c)

13.

Which of the following carbon steels is most weldable

(a)

0.15% carbon steel
(b)

0.30% carbon steel
(c)

0.50% carbon steel
(d)

0.75% carbon steel
Answer:

Option (a)

14.

The phenomenon of weld decay occurs in

(a)

Cast iron
(b)

Brass
(c)

Bronze
(d)

Stainless steel
Answer:

Option (d)

15.

The flux commonly used in brazing is

(a)

zinc chloride
(b)

ammonium chloride
(c)

rosin plus alcohol
(d)

borax
Answer:

Option (d)

16.

The brazing metals and alloys commonly used are

(a)

Copper
(b)

Silver alloys
(c)

Aluminium alloys
(d)

All of the above
Answer:

Option (d)

17.

The flux is brazing process is used in the form of

(a)

Powder
(b)

Liquid
(c)

Paste
(d)

Any of the above
Answer:

Option (d)

18.

Brazing is the process of

(a)

Joining plastic sheets
(b)

Hard soldering using brass spelter
(c)

Casing in brass
(d)

Making steel look like brass
Answer:

Option (b)

19.

The brazing process is carried in the temperature range of

(a)

150°C to 250°C
(b)

250°C to 450°C
(c)

500°C to 700°C
(d)

700°C to 900°C
Answer:

Option (d)

20.

In braze welding, the filler metal is

(a)

Distributed by capillary attraction
(b)

Melted and deposited at the point where the weld is to be made
(c)

Both of the above
(d)

Not required
Answer:

Option (a)

Showing 11 to 20 out of 137 Questions
1 2 3 4 5 6