GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering: Questions 109 - 112 of 170

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Question 109

Appeared in Year: 2015

Question

MCQ▾

In the assembly shown below, the part dimensions are:

Assuming the normal distribution of part dimensions, the dimension L4 in mm for assembly condition would be:

Upper and Lower Limit

Choices

Choice (4)Response

a.

b.

c.

d.

Question 110

Appeared in Year: 2015

Question

MCQ▾

A diameter electrical conductor is covered by an insulation of thickness. The conductivity of the insulation is 0.08 W/m-K and the convection coefficient at the insulation surface is . Addition of further insulation of the same material will

Choices

Choice (4)Response

a.

increase heat loss continuously

b.

decrease heat loss to a minimum and then increase heat loss

c.

increase heat loss to a maximum and then decrease heat loss

d.

decrease heat loss continuously

Question 111

Appeared in Year: 2015

Question

Numeric Answer▾

A DC welding power source has a linear voltage-current characteristic with open circuit voltage of 80 V and a short circuit current of . For maximum arc power, the current (in Amperes) should be set as

Question 112

Basic Concept of Cad and Cam and Their Integration Tools

Appeared in Year: 2015

Question

MCQ▾

A triangular facet in a CAD model has vertices: ; and . The area of the facet is

Choices

Choice (4)Response

a.

b.

1.414

c.

d.

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