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Machine Design

Machine Design
The sleeve or muff coupling is designed as a

Dun cylinder
Hollow shaft
Thick cylinder
Solid shaft

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Machine Design
In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

None of these
Right hand
Both A and B
Left hand

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Machine Design
In a steam engine, the piston rod is usually connected to the cross-head by means of a

Cotter joint
Oldham coupling
Knuckle joint
Universal joint

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Machine Design
Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.

Eight times
Sixteen times
Four times
Twice

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Machine Design
When carbon in the cast iron is principally in the form of graphite, the cast iron will be of

Yellow colour
Grey colour
White colour
Brown colour

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Machine Design
The expression 0.175 - 0.841/T is the Lewis form factor for

20° stub system
14½° composite and full depth involute system
None of these
20° full depth involute system

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