GATE MT exam:gate PYQs & Answers — Page 41

Questions 401–410 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 41 of 65

The general solution to the following homogeneous ODE,

is,

The values of

and

are:

Your answerChoose one option.

-1 and -3

-3 and -3

1 and -3

1 and 3

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The number of independent elastic constants of an isotropic material is:

Your answerChoose one option.

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A slip system consists of a slip plane and a slip direction. Which one of the following is NOT a valid slip system in a FCC copper crystal?

Your answerChoose one option.

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A dielectric material is:

Your answerChoose one option.

Electrical conductor

Metallic magnet

Two coupled electrical conductors

Electrical insulator

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Which one of the following processes is an example of an electrolytic cell?

Your answerChoose one option.

Corrosion of a metal rod in ambient atmosphere

Charge of a rechargeable battery

Discharging of a rechargeable battery

Sacrificial cathodic protection system

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Which one of the following statements regarding selective leaching of a binary alloy is TRUE?

Your answerChoose one option.

The lower atomic weight element is leached.

The element having higher diffusivity is leached.

The more electronegative element is leached.

The element with lower density is leached.

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In green sand casting, which one of the following is NOT a part of the gating system?

Your answerChoose one option.

Runner

Sprue

Riser

Pouring basin

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For a material to exhibit superplasticity, one of the requirements is:

Your answerChoose one option.

Coarse-grained microstructure

High strain-rate sensitivity

Low strain-hardening exponent

High modulus of elasticity

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The dye penetrant test for detecting flaws is based on:

Your answerChoose one option.

Magnetism

Sound propagation

X-ray absorption

Capillary action

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When 1 mole of C

at 300 K is burnt with stoichiometric amount of oxygen at 300 K to form CO

and H

O, the adiabatic flame temperature is 5975 K. If C

is burnt under the same conditions but with excess oxygen, the adiabatic flame temperature will be

Your answerChoose one option.

equal to 5975 K irrespective of the amount of excess oxygen.

higher than 5975 K irrespective of the amount of excess oxygen.

lower than 5975 K irrespective of the amount of excess oxygen.

higher or lower than 5975 K depending on the amount of excess oxygen.

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GATE MT exam:gate PYQs

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10