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Machine Design

Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

43929
44047
43869
44045

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Machine Design
The strap end of a connecting rod of steam engine is joined by

Sleeve and cotter joint
Knuckle joint
Spigot socket cotter joint
Gib of cotter joint

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Machine Design
The connecting rod bolts are tightened up with initial tension greater than the external load so that

Bolts will not loosen during service
The resultant load on the bolt would not be affected by the external cyclic load
Bolts are weakest elements
Joint may not open up

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Machine Design
A type of brake commonly used in motor cars is a

Band brake
Internal expanding brake
Shoe brake
Band and block brake

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Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

(p - d) σt
p.t.σt
(p - d) t.σt
p.d.σt

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Machine Design
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as

b/2L
b/L
1 - 2 b.L
1 - (b/L)

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