Manufacturing and Industrial Engineering (IES-ESE Mechanical Engineering): Questions 19 - 24 of 81

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Question number: 19

» Manufacturing and Industrial Engineering » Metal Casting » Design Considerations

Appeared in Year: 1994

MCQ▾

Question

Which of the following materials can be used for making patterns?

1. Aluminium 2. Wax 3. Mercury 4. Lead

Select the correct answer using the codes given below:

Choices

Choice (4) Response

a.

2, 3 and 4

b.

1, 2 and 3

c.

1, 2 and 4

d.

1, 3 and 4

Question number: 20

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

Appeared in Year: 2012

MCQ▾

Question

The ratio of surface area of volume for a unit volume of riser is minimum in case of

Choices

Choice (4) Response

a.

Spherical riser

b.

Hemispherical riser

c.

Cylindrical riser

d.

Cuboids riser

Question number: 21

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

Appeared in Year: 2011

MCQ▾

Question

The relationship between total freezing time t, volume of the casting V and its surface area A, according to Chvorinov’s rule is:

Choices

Choice (4) Response

a.

t=K(VA)2

b.

t=K(VA)

c.

t=K(AV)

d.

None of the above

Question number: 22

» Manufacturing and Industrial Engineering » Metal Casting » Design Considerations

Appeared in Year: 1995

MCQ▾

Question

Which one of the following materials will require the largest size of riser for the same size of casting?

Choices

Choice (4) Response

a.

Copper

b.

Cast iron

c.

Steel

d.

Aluminum

Question number: 23

» Manufacturing and Industrial Engineering » Metal Casting » Moulds

Appeared in Year: 2001

MCQ▾

Question

Scab is a

Choices

Choice (4) Response

a.

Machining defect

b.

Forging defect

c.

Welding defect

d.

Sand casting defect

Question number: 24

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

Appeared in Year: 2007

Assertion-Reason▾

Assertion (Ꭺ)

Steel can be melted in hot blast cupola.

Reason (Ꭱ)

In hot blast cupola, the flue gases are used to preheat the air blast to the cupola so that the temperature in the furnace is considerably higher than that in a conventional cupola.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

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

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

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