GATE MT topic:metallurgy PYQs & Answers — Page 33

Questions 321–330 of 650. Imported answers require independent review unless marked reviewed.

The integral of the function

estimated by the trapezoid rule with a single segment from

is __________ (round off to 1 decimal place).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Air at 300 K is passed at a mass flow rate of 1.5 kg·s⁻¹ through a metallic tube of inner diameter 0.08 m. Inner wall temperature of the tube is maintained at 700 K. Temperature of the air leaving the tube is 600 K. Assuming that heat transfer occurs entirely by steady state convection, length of the tube is __________ m (round off to 2 decimal places).

Given: the coefficient of convective heat transfer from tube wall to air is 500 W·m⁻²·K⁻¹. Assume specific heat capacity of air to be constant and equal to 1080 J·kg⁻¹·K⁻¹ and π = 3.14

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Given the stress tensor

the maximum shear stress is ________ MPa (round off to the nearest integer).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A set of 11 (x, y) data points is least-squares fitted to a quadratic polynomial. If the sum of squares of error is 2.4, the variance of error is ________ (round off to 1 decimal place).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The equilibrium microstructure of an alloy A-B consists of two phases α and β in the molar proportion 2:1. If the overall composition of the alloy is 70 mol% B and the composition of β is 90 mol% B, the composition of α is _____ (in mol% B) (round off to the nearest integer).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A digital watch X beeps every 30 seconds while watch Y beeps every 32 seconds. They beeped together at 10 AM.

The immediate next time that they will be together is ______

Your answerChoose one option.

10.08 AM

10.42 AM

11.00 AM

10.00 PM

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

If ⊕ ÷ ⊙ = 2; ⊕ ÷ Δ = 3; ⊙ + Δ = 5; Δ × ⊗ =10,

Then, the value of (⊗ − ⊕)², is:

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The front door of Mr. X’s house faces East. Mr. X leaves the house, walking 50 m straight from the back door that is situated directly opposite to the front door. He then turns to his right, walks for another 50 m and stops. The direction of the point Mr. X is now located at with respect to the starting point is ______

Your answerChoose one option.

South-East

North-East

West

North-West

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE MT topic:metallurgy PYQs

Question 61

Question 62

Question 63

Question 64

Question 65

Question 1

Question 2

Question 3

Question 4

Question 5