# IES-ESE (Engineering Services) Mechanical Engineering: Questions 5 - 9 of 81

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## Question number: 5

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.

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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