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Machine Design

Machine Design
The ratio of endurance limit in shear to the endurance limit in flexure is

0.4
0.33
0.5
0.55

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Machine Design
Which of the following welded joint is designed for shear strength?

Transverse fillet welded joint
Parallel fillet welded joint
Butt welded joint
All of these

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Machine Design
When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a

Medium bearing
Long bearing
Square bearing
Short bearing

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Machine Design
A cotter joint is used to connect two __________ rods.

Co-axial
Parallel
None of these
Perpendicular

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Machine Design
A riveted joint is a __________ fastening.

None of these
Permanent
Temporary
Either A or B

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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

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

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