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A mass of 100 kg is uniformly accelerated upwards on a light cable by a hoist for a period of 5 s to a speed of 1.75 m s 1 . The hoist has a winding drum of mass 220 kg, diameter 1 m and radius of gyration 300 mm. Calculate (a) the vertical height raised, (b) the final angular velocity of the drum, (c) the work done, (d) the input torque to the driving motor, (e) the average power developed.
a r-12 plant is to develop 5 tons of refrigeration. the condenser and evaporator temperature are to be 40c and -10 c
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descriptive questions - give brief answers in words. no calculations are required. you may write your answers in point
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1. operators assemble pumps at an hourly rate of 10.00.the standard time for the assembly is 20minutes. direct material
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