Related Questions

Creep in belt drive is due to
A weak material of the belt
B weak material of the pulley
C uneven extensions and contractions of the belt when it passes from tight side to slack side
D expansion of the belt
The creep in the belt is due to
A Effect of temperature on belt
B Material of belt
C Unequal extensions in the belt due to tight and slack side tensions
D Stresses beyond elastic limit of belt material
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:
A (1 - C) mf - eE
B (C - 1) mf + eE
C (C - 1) mf - eE
D (1 - C) mf + eE
The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension.
A One-third
B Two-third
C Double
D Three times
The tension on the slack side of the belt is __________ the tension on the tight side of the belt.
A Equal to
B Less than
C Greater than
D None of these
In multi V-belt transmission, if one of the belt is broken, we have to change the
A Broken belt
B Broken belt and its adjacent belts
C All the belts
D There is no need of changing any one as remaining belts can take care of transmission of load
A pulley and belt in a belt drive form a
A Cylindrical pair
B Turning pair
C Rolling pair
D Sliding pair
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to
A Reduce vibration
B Reduce slip
C Ensure uniform loading
D Ensure proper alignment
The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)
A $$\frac{{\text{T}}}{3}$$
B $$\frac{{{\text{Tg}}}}{3}$$
C $$\sqrt {\frac{{\text{T}}}{{3{\text{m}}}}} $$
D $$\sqrt {\frac{{3{\text{m}}}}{{\text{T}}}} $$
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to
A Reduce vibration
B Reduce slip
C Ensure uniform loading
D Ensure proper alignment

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