Manufacturing and Industrial Engineering-Metal Casting (IES-ESE Mechanical Engineering): Questions 5 - 9 of 31

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Question number: 5

» Manufacturing and Industrial Engineering » Metal Casting » Moulds

Appeared in Year: 2010

MCQ▾

Question

Consider the following advantages of shell mould casting:

1. Close dimensional tolerance.

2. Good surface finish.

3. Low cost.

4. Easier.

Which of these are correct?

Choices

Choice (4) Response
a.

1, 2 and 3 only

b.

1 and 2

c.

2, 3 and 4 only

d.

1, 2 and 4 only

Question number: 6

» Manufacturing and Industrial Engineering » Metal Casting » Riser and Gating Design

Appeared in Year: 2005

MCQ▾

Question

In gating system design, which one of the following is the correct sequence in which choke area, pouring time, pouring basin and sprue sizes are calculated?

Choices

Choice (4) Response
a.

Pouring basin Sprue Choke area Pouring time

b.

Pouring basin Pouring time Choke area Sprue

c.

Choke area Pouring time Pouring basin – Sprue

d.

Choke area Sprue Pouring basin Pouring time

Question number: 7

» Manufacturing and Industrial Engineering » Metal Casting » Solidification and Cooling

Appeared in Year: 2001

MCQ▾

Question

The main purpose of chaplets is

Choices

Choice (4) Response
a.

To support the cores

b.

To provide efficient venting

c.

To ensure directional solidification

d.

For aligning the mold boxes

Question number: 8

» Manufacturing and Industrial Engineering » Metal Casting » Solidification and Cooling

Appeared in Year: 2002

MCQ▾

Question

In the grain size determination using standard charts, the relation between the given size number n and the average number of grains ‘N’ per square inch at a magnification of 100 X is

Choices

Choice (4) Response
a.

N = 2n + 1

b.

N = 2n

c.

N=2n1

d.

N = 2n + 11

Question number: 9

» Manufacturing and Industrial Engineering » Metal Casting » Riser and Gating Design

Appeared in Year: 1994

Assertion-Reason▾

Assertion (Ꭺ)

In a mould, a riser is designed and placed so that the riser will solidify after the casting has solidified.

Reason (Ꭱ)

A riser is a reservoir of molten metal which will supply molten metal where a shrinkage cavity would have occurred.

Choices

Choice (4) Response
a. Ꭺ is false but Ꭱ is true
b. Both Ꭺ and Ꭱ are false
c. Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ
d. Ꭺ is true but Ꭱ is false

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