GATE MT format:mcq PYQs & Answers — Page 18

Questions 171–180 of 379. Imported answers require independent review unless marked reviewed.

With reference to the stress intensity factor, find the correct match of nomenclature (Column A) with the mode of deformation applied to the crack (Column B).

Column A: (P) Mode I (Q) Mode II (R) Mode III

Column B: (X) Forward shear mode (Y) Parallel shear mode (Z) Crack opening mode

Your answerChoose one option.

P – Z, Q – Y, R – X

P – Z, Q – X, R – Y

P – Y, Q – X, R – Z

P – Y, Q – Z, R – X

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The general solution to the following differential equation is _________, where A and B are constants

Your answerChoose one option.

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Which one of the following equations will fail to converge to a root with an initial guess value of

, using the Newton-Raphson method?

Your answerChoose one option.

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Match the following mineral processing operations (Column I) with the corresponding physical principles (Column II)

Column I (P) Flotation (Q) Jigging (R) Tabling (S) Comminution

Column II (1) Difference in speed of lateral movements (2) Hydrophobicity (3) Difference in size reduction (4) Difference in initial acceleration

Your answerChoose one option.

P – 2, Q – 4, R – 1, S – 3

P – 2, Q – 3, R – 1, S – 4

P – 3, Q – 1, R – 4, S – 2

P – 1, Q – 4, R – 2, S – 3

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Figures P, Q, R and S schematically show the atomic dipole moments in the absence of external magnetic field. Which one of the following is the correct mapping of nature of magnetism to atomic dipole moments?

Diagram for Metallurgical Engineering question 39

Your answerChoose one option.

P – Diamagnetism, Q – Antiferromagnetism, R – Paramagnetism, S – Ferromagnetism

P – Ferromagnetism, Q – Antiferromagnetism, R – Diamagnetism, S – Paramagnetism

P – Paramagnetism, Q – Ferromagnetism, R – Diamagnetism, S – Antiferromagnetism

P – Ferromagnetism, Q – Diamagnetism, R – Antiferromagnetism, S – Paramagnetism

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Find the correct match between dislocation reactions (Column A) to the descriptions (Column B)

Column A (P)

(Q)

(R)

Column B (1) Leading partials merging to form a Lomer-Cottrell lock in an FCC metal (2) Energetically unfavorable dislocation reaction in an FCC metal (3) Typical dislocation reaction in a BCC metal

Your answerChoose one option.

P – 3, Q – 2, R – 1

P – 3, Q – 1, R – 2

P – 2, Q – 3, R – 1

P – 2, Q – 1, R – 3

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Match the phenomena (Column I) with the descriptions (Column II)

Column I (P) Cottrell atmosphere (Q) Suzuki interaction (R) Bauschinger effect (S) Nabarro-Herring creep

Column II (1) Decrease in yield stress when loading direction is reversed (2) Stress assisted diffusion of vacancies resulting in plastic deformation in a polycrystalline material (3) Lüders bands (4) Segregation of solutes to the stacking fault

Your answerChoose one option.

P – 1, Q – 2, R – 3, S – 4

P – 1, Q – 2, R – 4, S – 3

P – 3, Q – 4, R – 1, S – 2

P – 3, Q – 1, R – 4, S – 2

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For a

matrix, the value of the determinant is −48 and the trace is 8. If one of the eigenvalues is 4, the other two are ________

Your answerChoose one option.

2, −3

1, −3

6, −2

−4, 0

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Five persons P, Q, R, S and T are to be seated in a row, all facing the same direction, but not necessarily in the same order. P and T cannot be seated at either end of the row. P should not be seated adjacent to S. R is to be seated at the second position from the left end of the row. The number of distinct seating arrangements possible is:

Your answerChoose one option.

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Consider the following sentences: (i) The number of candidates who appear for the GATE examination is staggering. (ii) A number of candidates from my class are appearing for the GATE examination. (iii) The number of candidates who appear for the GATE examination are staggering. (iv) A number of candidates from my class is appearing for the GATE examination. Which of the above sentences are grammatically CORRECT?

Your answerChoose one option.

(i) and (ii)

(i) and (iii)

(ii) and (iii)

(ii) and (iv)

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GATE MT format:mcq PYQs

Question 29

Question 36

Question 37

Question 38

Question 39

Question 40

Question 41

Question 42

Question 1

Question 2