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Mechanical Engineering
Belt Drives
Quiz 3
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Q.1
What is a photo-reflective tachometer used for?
Measures the torque on a sheave.
Measures the speed of a sheave.
Takes a picture of a sheave as it rotates.
Measures the wear on a belt.
Examines the surface of a sheave.
Q.2
Which of these belts are well suited for timing mechanisms?
Flat belt
V-belt
Synchronous belt
Multiple V-Belt
All types can be used
Q.3
Power is transferred between an electric motor and a pump with a belt drive. Calculate the required driven sheave pitch diameter and belt length if the motor and pump shafts areinches apart and the pump shaft must rotate atr/minute. The driving sheave is installed directly on the motor shaft and has a pitch diameter of 5 inches. The plate on the motor indicates a nominal speed ofr/minute.
Driven sheave pitch diameter is 2.8 inches and belt length is 52.2 inches.
Driven sheave pitch diameter is 9 inches and belt length is 52.2 inches.
Driven sheave pitch diameter is 9 inches and belt length is 62 inches.
Driven sheave pitch diameter is 2.8 inches and belt length is 62 inches.
Impossible to tell from the given data
Q.4
Power is transferred between an electric motor and a pump with a belt drive. Calculate the required driven sheave pitch diameter and belt length if the motor and pump shafts areinches apart and the pump shaft must rotate atr/minute. The driving sheave is installed directly on the motor shaft and has a pitch diameter of 5 inches. The plate on the motor indicates a nominal speed ofr/minute.
Driven sheave pitch diameter is 2.8 inches and belt length is 52.2 inches.
Driven sheave pitch diameter is 9 inches and belt length is 52.2 inches.
Driven sheave pitch diameter is 9 inches and belt length is 62 inches.
Driven sheave pitch diameter is 2.8 inches and belt length is 62 inches.
Impossible to tell from the given data
Q.5
Which of the following can be used for Power transmission in intersecting shafts.
Spur Gear
Helical Gear
Bevel Gear
None of the above
Q.6
The Power transmitted by a belt drive isWhere T1 and T2 are tensions in tight and slack side respectivelyN- speed , V - Velocity
(T1 - T2) x N
(T1 + T2) x N
(T1 - T2) / V
(T1 - T2 ) x V
Q.7
The Power transmitted by a belt drive isWhere T1 and T2 are tensions in tight and slack side respectivelyN- speed , V - Velocity
(T1 - T2) x N
(T1 + T2) x N
(T1 - T2) / V
(T1 - T2 ) x V
0 h : 0 m : 1 s
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