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WorksheetsShafts
Total questions: 10
Worksheet time: 5mins
Which property is not required for shaft materials?
Good castability
High shear and tensile strength
Good machinability
High fatigue strength
When a solid shaft is subjected to a torsion, the shear stress induced in the shaft at its center is
average
maximum
zero
minimum
The design of shafts made of brittle materials is based on
St Venant's theory
Rankine's theory
Guest's theory
VonMises theory
When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under
bending stress
shear stress
compressive stress
tensile stress
The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. the radius of the shaft) is known as
flexural rigidity
torsional rigidity
twisting moment
bending moment
A shaft is designed on the basis of rigidity and stiffness.
Depends on application
Correct
Incorrect
Depends on material
The standard length of the shaft is
all of these
5 m
6 m
7 m
In power transmission equation, P=2πNT60×1000, what does P represent?
P is in kw and T is the maximum torque
P is in NM/sec and T is the maximum torque
P is in NM/sec and T is mean torque
P is in kw and T is mean torque
A shaft revolving at ω rad/s transmits torque (T) in N-m. The power developed is
2πTω4500 watts
2πTω75 watts
2πTω watts
T.ω watts
When the shaft is subjected to pure bending moment, the bending stress is given by?
None of the listed
32Mπd3
16Mπd3
8Mπd3
