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The tensions in the tight and slack side of a belt are 14 000 N and 900 N respectively. If the power transmission is 655 kW what is the speed of the belt if there is no slippage?
A) 0.05 m/s
B) 43.96 m/s
C) 50 m/s
D) 25.2 m/s
E) 31.6 m/s
The input to a 93.33% efficient belt drive system is 75 kW. What is the output?
A) 75 kW
B) 72.5 kW
C) 80.36 kW
D) 72.5 Watts
E) 70 kW
The clearance that is necessary between teeth that have to mesh is called:
A) Clearance
B) Backlash
C) Gap
D) Play
E) Lashback
A chain drive system has a driver sprocket of 300 mm diameter and a driven sprocket of 1 000 mm diameter. If the driven shaft rotates at 276 rpm what will be the speed of the driving shaft?
A) 736 rpm
B) 89 rpm
C) 920 rpm
D) 80.1 rpm
E) 801 rpm
Which statement concerning belt trains is false?
A) Trains are connected by a single belt
B) Belt trains are used to change speeds of pulleys
C) Pulleys in a train all rotate in the same direction
D) Belt trains transmit less power than gear trains of comparable size
E) Belt trains are used to change power transmissions of belts
Power transmitted by belts (watts) =
(F1 - F2) × speed of belt
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