GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering: Questions 95 - 99 of 170

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Question 95

Appeared in Year: 2015

Question

Numeric Answer▾

Consider a stepped shaft subjected to a twisting moment applied at B as shown in the figure. Assume shear modulus, G = 77 GPa. The angle of twist at C (in degrees) is

All Dimensions in Mm

Question 96

Appeared in Year: 2015

Question

MCQ▾

The value of is

Choices

Choice (4)Response

a.

undefined

b.

c.

0

d.

Question 97

Appeared in Year: 2015

Question

MCQ▾

If any two columns of a determinant are interchanged, which one of the following.

Statements regarding the value of the determinant is CORRECT?

Choices

Choice (4)Response

a.

Absolute value will change but sign will not change.

b.

Absolute value remains unchanged, but sign will change.

c.

Both absolute value and sign will change.

d.

Both absolute value and sign will remain unchanged.

Question 98

First Order and Higher Order Linear Differential Equations

Appeared in Year: 2015

Question

MCQ▾

Find the solution of which passes through the origin and the point

Choices

Choice (4)Response

a.

b.

c.

d.

Question 99

Appeared in Year: 2015

Question

Numeric Answer▾

Steam enters a well-insulated turbine and expands is entropically throughout. At an intermediate pressure, 20 percent of the mass is extracted for process heating and the remaining steam is entropically to .

Inlet to turbine: , , , Intermediate stage:

Exit of turbine: , , , ,

If the flow rate of steam entering the turbine is 100 kg/s, then the work output (in MW) is

Developed by: