GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering: Questions 90 - 94 of 170

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Question 90

Appeared in Year: 2015

Question

Numeric Answer▾

A ball of mass , initially at rest, is dropped from height of . Ball hits the ground and bounces off the ground. Upon impact with the ground, the velocity reduces by . The height (in m) to which the ball will rise is

Question 91

Integration by Trapezoidal and Simpson's Rule

Appeared in Year: 2015

Question

Numeric Answer▾

Simpson՚s rule is used to integrate the function between and using the least number of equal sub-intervals. The value of the integral is________

Question 92

Appeared in Year: 2015

Question

MCQ▾

Among the four normal distributions with probability density functions as shown below, which one has the lowest variance?

Four Normal Distribution

Choices

Choice (4)Response

a.

III

b.

II

c.

I

d.

IV

Question 93

Appeared in Year: 2015

Question

Numeric Answer▾

Under certain cutting conditions, doubling the cutting speed reduces the tool life to th of the original. Taylor՚s tool life index (n) for this tool-workpiece combination will be

Question 94

Appeared in Year: 2015

Question

MCQ▾

For the truss shown in figure, the magnitude of the force in member and the support reaction at are respectively

Trusses and Frames

Choices

Choice (4)Response

a.

b.

c.

d.

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