Manufacturing and Industrial Engineering [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 91 - 93 of 115

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Question 91

Manufacturing and Industrial Engineering
Fits and Tolerances

Appeared in Year: 2020

Question

MCQ▾

Two rollers of diameters (in mm) and (in mm) are used to measure the internal taper angle in the V-groove of a machined component. The heights (in mm) and (in mm) are measured by using a height gauge after inserting the rollers into the same V-groove as shown in the figure.

Two Rollers of Diameters

Which one of the following is the relationship to evaluate the angle as shown in the figure?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 92

Manufacturing and Industrial Engineering
Forging
Edit

Appeared in Year: 2020

Question

Numeric Answer▾

A bolt head has to be made at the end of a rod of diameter d = 12 mm by localized forging (upsetting) operation. The length of the unsupported portion of the rod is 40 mm. To avoid buckling of the rod, a closed forging operating has to be performed with a maximum die diameter of ________ mm.

Question 93

Manufacturing and Industrial Engineering
Fits and Tolerances

Appeared in Year: 2019

Question

MCQ▾

A circular shaft having diameter mm is manufactured by turning process. A 50 μm thick coating of TiN is deposited on the shaft. Allowed variation in TiN film thickness is . The minimum hole diameter (in mm) to just provide clearance fit is

Choices

Choice (4)Response

a.

65.10

b.

64.95

c.

65.12

d.

65.01

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