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Machine Design

Machine Design
The V-belts are particularly suitable for __________ drives.

None of these
Both A and B
Short
Long

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Machine Design
The centre to centre distance between two consecutive rivets in a row, is called

Pitch
Back pitch
Margin
Diagonal pitch

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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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Machine Design
The belt slip occurs due to

Loose belt
Any one of the above
Driving pulley too small
Heavy load

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Machine Design
Which of the following statement is correct, for two shafts connected in parallel?

Shear stress in each shaft is the same
Angle of twist of each shaft is the same
Torsional stiffness of each shaft is the same
Torque in each shaft is the same

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Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

1.2 d
0.5 d
d
0.8 d

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