A.1000
B.1450
C.1570
D.1670
E.1900
Related Mcqs:
- A circulating water pump of a condenser is of the centrifugal type and directly connected to a three phase induction motor running at 900 rpm. The pump delivers 30,000 litres per minute against the dynamic head of 10 m. The horse power of the motor required to drive the pump would be
- The horse power required to move a belt conveyor increases as
- The adiabatic horse power required to deliver 4 cu. M per minute of free air from 1 ata and 15?C to a received pressure at 7 ata would be in the range
- In which operation the horse power required to remove one cubic centimetre of material (soft steel) per minute under average conditions will be maximum
- It is desired to predict the performance of a large centrifugal pump from that of a scale model one fourth the diameter. The model absorbs 20 HP when pumping under test head of 20 m at its best speed of 400 r.p.m. The large pump is required to pump against 60 m head. The following will be the speed of the pump
- A Carnot refrigerator extracts 100 kcal of heat per minute from a cold room which is maintained at – 15?C and it is discharged to atmosphere 30C?. The horse power required to run the unit would be
- A Carnot refrigerator extracts 100 kcal of heat per minute from a cold room which is maintained at – 15?C and it is discharged to atmosphere at 30?C. The horse power required to run the unit would be
- A shaft running at 300 rpm is required to transmit 300 horse power. The working stress in shear is 420 kg/cm2. The diameter of the shaft whould be in the range
- Power required for a train weighing 200 Mg to move at a uniform speed of 60 Kmph up an incline of 1 in 200 is (Resistance due to friction is negligible)
- A hydro-electric site has a head of 100 m and an average discharge of 10m3/s. Assume 92% efficiency, for a greater speed of 6000 rpm, the specific speed of turbine would be
