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Machine Design

Machine Design
The notch angle of the Izod impact test specimen is

20°
10°
30°
45°

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Machine Design
The connecting rod bolts are tightened up so that tightening stress

Is just sufficient to hold parts together
Is 50% of yield point
Approaches yield point
Is about yield point divided by safety factor

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Machine Design
Which of the following cotter joint will be used to connect strap end of a connecting rod?

Sleeve and cotter joint
Spigot and socket cotter joint
Gib and cotter joint
Any one of these

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Machine Design
A chain drive transmits __________ power as compared to belt drive.

More
Less
Same
None of these

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Machine Design
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.

Thick film
None of these
Thin film
Either A or B

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Machine Design
If a spring is cut down into two springs, the stiffness of cut springs will be

Double
Half
Same
None of these

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