Manufacturing and Industrial Engineering-Joining (IES-ESE Mechanical Engineering): Questions 14 - 18 of 50

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Question number: 14

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 2010

MCQ▾

Question

The ratio between Oxygen and Acetylene gases for neutral flame in gas welding is

Choices

Choice (4) Response

a.

2: 1

b.

1: 2

c.

4: 1

d.

1: 1

Question number: 15

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 2006

MCQ▾

Question

Fabrication weldability test is used to determine

Choices

Choice (4) Response

a.

Susceptibility of welded joint for cracking

b.

Suitability for joint design

c.

Appropriate machining process

d.

Mechanical properties required for satisfactory performance of welded joint

Question number: 16

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 2007

MCQ▾

Question

Consider the following statements:

MIG welding process uses

1. Consumable electrode 2. non-consumable electrode

3. D. C. power supply 4. A. C. power supply

Of these statements

Choices

Choice (4) Response

a.

2 and 4 are correct

b.

1 and 3 are correct

c.

2 and 3 are correct

d.

1 and 4 are correct

Question number: 17

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 2001

MCQ▾

Question

Arc blow is more common in

Choices

Choice (4) Response

a.

A. C. welding

b.

D. C. welding with bare electrodes

c.

D. C. welding with straight polarity

d.

A. C. welding with bare electrodes

Question number: 18

» Manufacturing and Industrial Engineering » Joining » Physics of Welding

Appeared in Year: 1997

Assertion-Reason▾

Assertion (Ꭺ)

The electrodes of ac arc welding are coated with sodium silicate, whereas electrodes used for dc arc welding are coated with potassium silicate binders.

Reason (Ꭱ)

Potassium has a lower ionization potential than sodium.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

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