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Machine Design

Machine Design
The yield point in static loading is __________ as compared to fatigue loading.

Same
Higher
Lower
None of these

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

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Machine Design
For longitudinal joint in boilers, the type of joint used is

Butt joint with single cover plate
Butt joint with double cover plate
Any one of the above
Lap joint with one ring overlapping the other

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Machine Design
A shaft is subjected to

Combined bending and shear stresses
Bending stresses
Shear stresses
All of these

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Machine Design
A universal coupling is used to connect two shafts

Which are perfectly aligned
Which are not in exact alignment
Have lateral misalignment
Whose axes intersect at a small angle

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Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

3 d
2 d
4 d
5 d

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