GATE MT year:2017 PYQs & Answers — Page 3

Questions 21–30 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 3 of 7

Four alloys, C1, C2, C3, C4, shown in the phase diagram are poured at temperature T₁ in a mold. During solidification, which one of these alloys is expected to have the highest fluidity?

Diagram for Metallurgical Engineering question 21

Your answerChoose one option.

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A material, which shows power law behavior, σ̄ = 50ε̄^0.3, is being wire drawn. The maximum strain per pass in annealed condition (assume ideal work and efficiency η = 1) is __________ (answer up to two decimal places)

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Schematic diagram shows rolling of a slab. P and Q are points on the surface of the workpiece near entrance and exit, respectively. With reference to the work piece, which one of the following statements is TRUE?

Diagram for Metallurgical Engineering question 23

Your answerChoose one option.

Frictional force is along rolling direction at both P and Q.

Frictional force is opposite to rolling direction at both P and Q.

Frictional force is along rolling direction at P and opposite to rolling direction at Q.

Frictional force is opposite to rolling direction at P and along rolling direction at Q.

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Which one of the following manufacturing techniques is used for making window glass?

Your answerChoose one option.

Investment casting

Patenting

Spray forming

Float-bath method

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Dye penetrant test is based on the principle of

Your answerChoose one option.

polarized sound waves in liquid.

magnetic domain.

absorption of X-rays.

capillary action.

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Assume that the probability of South Africa winning against India is 1/3. If South Africa plays a 3 match cricket series against India, the probability that South Africa wins only one match is __________ (assume that no matches are tied or abandoned) (answer up to three decimal places)

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The function

has a minimum at

__________

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The definite integral,

is to be evaluated numerically. Divide the integration interval into exactly 2 subintervals of equal length. Applying the trapezoidal rule, the approximate value of the integral is __________ (answer up to two decimal places)

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For the second order linear ordinary differential equation,

, the following function is a solution:

. Which one of the following statements is NOT TRUE?

Your answerChoose one option.

has two values: one complex and one real

has two real values

has two complex values

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Using the bisection method, the root of the equation

after three iterations is __________ (answer up to two decimal places). (Assume starting values of

and

)

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GATE MT year:2017 PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30