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Machine Design

Machine Design
In a flange coupling, the flanges are coupled together by means of

Bolts and nuts
None of these
Studs
Headless taper bolts

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Machine Design
If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will

None of these
Increase
Decrease
Have same value as that of standard specimen

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Machine Design
Rivets are generally specified by

Length of rivet
Nominal diameter
Thickness of plates to be riveted
Diameter of head

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Machine Design
Which of the following has threads at both ends?

None of these
Tap bolt
Stud
Bolt

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Machine Design
A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is

2050 N-m
2136 N-m
2100 N-m
2000 N-m

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Machine Design
According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by

All of these
0.5 mm up to rivet diameter of 24 mm
1 mm for rivet diameter from 27 mm to 36 mm
2 mm for rivet diameter from 39 mm to 48 mm

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