GATE 2022 ME: Production Engineering Quiz - 7

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Question 1

The fit on a hole shaft basic system is specified as H7-q5 then this fit belongs to

• ASliding fit
• BTransition fit
• CForce fit
• DClearance fit

Question 2

An error of 5% occurred during the measurement of the dia of a cylindrical part. The likely error in the calculated weight of the part is approximately:

• A10%
• B5%
• C1%
• D7.5%

Question 3

The dimension limits on a shaft of 25 h₇ are

• A25.000, 25.021 mm
• B25.000, 24.979 mm
• C25.000, 25.007 mm
• D25.000, 24.993 mm

Question 4

The maximum interference in mm after assembly between a bush of size   mm and shaft  mm of size is __________.

• A0.07 mm
• B0.04 mm
• C0.02 mm
• D0.01 mm

Question 5

The diameter of a recessed ring was measured by using two spherical balls of diameter d₂ = 60 mm and d₁ = 40 mm as shown in the figure.
 
The distance H₂ = 35.55 mm and H₁ = 20.55 mm.
The diameter (D, in mm) of the Ring gauge is_____.

• A93.30
• B45.67
• C67.89
• D34.76

Question 6

A fit is specified as 25 H8/e8. The tolerance value of both shaft and hole for a nominal diameter of 25 mm in IT8 is 33 microns and fundamental deviation for the shaft is –40 microns. The maximum clearance of the fit in microns is

• A66
• B33
• C73
• D106

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