Manufacturing and Industrial Engineering [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 86 - 88 of 115

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Question 86

Manufacturing and Industrial Engineering
Moulds

Appeared in Year: 2019

Question

Match List-Ⅰ List-Ⅱ▾

Match the following sand mold casting defects with their respective causes.

List-Ⅰ (Defect)List-Ⅱ (Cause)
(A)

Blow hole

(i)

Mold erosion

(B)

Misrun

(ii)

Insufficient fluidity

(C)

Wash

(iii)

Poor collapsibility

(D)

Hot tearing

(iv)

Poor permeability

Choices

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

a.

  • (iv)
  • (ii)
  • (i)
  • (iii)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (i)
  • (iii)
  • (iv)
  • (ii)

d.

  • (iii)
  • (i)
  • (ii)
  • (iv)

Question 87

Manufacturing and Industrial Engineering
Single and Multi Point Cutting Tools

Appeared in Year: 2020

Question

Numeric Answer▾

There are two identical shaping machines and . In machine , the width of the workpiece is increased by 10 % and the feed is decreased by 10 % , with respect to that of . If all other conditions remain the same then the ratio of total time per pass in and will be ________ (round off to one decimal place) .

Question 88

Manufacturing and Industrial Engineering
Material Requirement Planning

Appeared in Year: 2019

Question

MCQ▾

The table presents the demand of a product. By simple three-months moving average method, the demand-forecast of the product for the month of September is

The Table Presents the Demand of a Product
MonthDemand
January450
February440
March460
April510
May520
June495
July475
August560

Choices

Choice (4)Response

a.

490

b.

510

c.

536.67

d.

530

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