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Machine Design

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

Pitch
Margin
Back pitch
Diagonal pitch

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Machine Design
When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N))

√(Pmax / m)
√(3m /Pmax)
√(Pmax / 3m)
√(Pmax / 2m)

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Machine Design
If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by

Z/pN
ZN/p
N/Zp
p/ZN

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Machine Design
In the levers of first type, the mechanical advantage is ________ one.

Equal to
More than
None of these
Less than

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Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

Equal to
More than
Less than
None of these

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Machine Design
Silver based solder is used for

Brazing
Fusion welding
Soft soldering
Flaring

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