Manufacturing and Industrial Engineering-Engineering Materials [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 1 - 4 of 13

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Question 1

Engineering Materials
Structure and Properties of Engineering Materials

Appeared in Year: 1994

Question

MCQ▾

Ultrasonic machining is about the best process for making holes in glass which are comparable in size with the thickness of the sheet.

The above statement is

Choices

Choice (4)Response

a.

False

b.

Insufficient data

c.

Cant say

d.

True

Question 2

Engineering Materials
Structure and Properties of Engineering Materials

Appeared in Year: 1993

Question

MCQ▾

In Ultrasonic Machining (USM) the material removal rate would

Choices

Choice (4)Response

a.

Increase and then decrease

b.

Decrease

c.

decrease and then increase

d.

Increase

Question 3

Engineering Materials
Structure and Properties of Engineering Materials

Appeared in Year: 2004

Question

Match List-Ⅰ List-Ⅱ▾

Typical machining operations are to be performed on hard-to-machine materials by using the processes listed below. Choose the best set of Operation-Process combinations

List-Ⅰ (Operation)List-Ⅱ (Process)
(A)

Debarring (internal surface)

(i)

Laser beam Machining

(B)

Die sinking

(ii)

Electric Discharge

(C)

Fine hole drilling in thin sheets

(iii)

Electrochemical Grinding

(D)

Tool sharpening

(iv)

Abrasive Flow Machining

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iv)
  • (ii)
  • (i)
  • (iii)

b.

  • (ii)
  • (i)
  • (iv)
  • (iii)

c.

  • (iii)
  • (ii)
  • (iv)
  • (i)

d.

  • (i)
  • (iii)
  • (iv)
  • (ii)

Question 4

Engineering Materials
Structure and Properties of Engineering Materials

Appeared in Year: 2001

Question

MCQ▾

When using a simple moving average to forecast demand, one would

Choices

Choice (4)Response

a.

Include new demand data in the average without discarding the earlier data

b.

Assign more weight to the recent demand data

c.

Give equal weight to all demand data

d.

Include new demand data in the average after discarding some of the earlier demand data

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