Exercise: Machine Design

Questions for: Machine Design

A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as hollow saddle key.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
No answer description is available. Let's discuss.
In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.
A:
90°
B:
135°
C:
160°
D:
180°
Answer: A
No answer description is available. Let's discuss.
A basic hole is one whose
A:
lower deviation is zero
B:
upper deviation is zero
C:
lower and upper deviations are zero
D:
none of these
Answer: A
No answer description is available. Let's discuss.
The shear stress in a beam varies from zero at the outer fibres to a maximum at the neutral surface.
A:
Yes
B:
No
C:
D:
Answer: A
No answer description is available. Let's discuss.
Which one of the following loading is considered for the design of axles?
A:
Bending moment only
B:
Twisting moment only
C:
Combined bending moment and twisting moments
D:
Combined action of bending moment, twisting moment and axial thrust
Answer: A
No answer description is available. Let's discuss.
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