Manufacturing and Industrial Engineering-Joining (IES-ESE Mechanical Engineering): Questions 47 - 50 of 50

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Question number: 47

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 2009

MCQ▾

Question

By which one of the following methods gray cast iron is usually welded?

Choices

Choice (4) Response
a.

Arc welding

b.

Gas welding

c.

MIG welding

d.

TIG welding

Question number: 48

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 2011

MCQ▾

Question

During plasma arc welding of aluminium, improved removal of the surface oxide from the base metal is obtained with typical polarity of:

Choices

Choice (4) Response
a.

Reverse polarity of phase of AC potential

b.

DC Straight

c.

DC reverse

d.

AC potential

Question number: 49

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 2010

MCQ▾

Question

Consider the following statements regarding welded joints:

1. It is a permanent type of joint.

2. It is reliable and economical for pressure vessel construction.

3. It is free from fabricational residual stresses.

4. Such joints are suitable for static loading only.

5. Welding is a versatile and flexible metal joining process.

Which of the above statements are correct?

Choices

Choice (4) Response
a.

1, 2 and 3 only

b.

1, 2 and 5 only

c.

2, 3 and 4 only

d.

1, 2, 3, 4 and 5

Question number: 50

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 2000

MCQ▾

Question

Consider the following processes:

1. Gas welding

2. Thermit welding

3. Arc welding

4. Resistance welding

The correct sequence of these processes in increasing order of their welding temperatures is

Choices

Choice (4) Response
a.

4, 3, 1, 2

b.

1, 2, 3, 4

c.

1, 3, 4, 2

d.

4, 1, 3, 2

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