Manufacturing and Industrial Engineering [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 68 - 72 of 115

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Question 68

Manufacturing and Industrial Engineering
Tool Geometry and Materials

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 69

Manufacturing and Industrial Engineering
Tool Geometry and Materials

Appeared in Year: 2015

Question

Numeric Answer▾

An orthogonal turning operation is carried out under the following conditions: ; ; and . The chip thickness, , is found to be . The shear angle (in degrees) in this turning process is

Question 70

Manufacturing and Industrial Engineering
Fits and Tolerances

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 71

Manufacturing and Industrial Engineering
Physics of Welding

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 72

Manufacturing and Industrial Engineering
Basic Concept of CAD and CAM and 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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