GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering: Questions 46 - 49 of 170

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Question 46

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Short Answer▾

The pressure of water increased from 0.002 Pa to 0.013 Pa. If the volume of water decreased by 0.22 % , calculate the Bulk modulus of elasticity.

Question 47

Appeared in Year: 2004

Question

MCQ▾

Misrun is a casting defect which occurs due to

Choices

Choice (4)Response

a.

Very high pouring temperature of the metal

b.

Improper alignment of the mould flasks

c.

Insufficient fluidity of the molten metal

d.

Absorption of gases by the liquid metal

Question 48

Appeared in Year: 1998

Question

MCQ▾

Which one of the following forecasting techniques is not suited for making forecasts for planning production schedules in the short range?

Choices

Choice (4)Response

a.

Moving average

b.

Exponential moving average

c.

Delphi

d.

Regression analysis

Question 49

Structure and Properties of Engineering Materials

Appeared in Year: 2003

Question

MCQ▾

During heat treatment of steel , the hardness number of various structures in increasing order is

Choices

Choice (4)Response

a.

martensite, coarse pearlite, fine pearlite, spherodite

b.

fine pearlite, martensite, spherodite, coarse pearlite

c.

spherodite, coarse pearlite, fine pearlite, martensite

d.

martensite, fine pearlite, coarse pearlite, spherodite

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