A.Fully open
B.Fully closed
C.Half open
D.More than half open
E.Less than half open
Related Mcqs:
- Incurrent canals in syconoid sponge are:
- 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
- Ecosystem is:
- 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
- If a centrifugal pump takes too much power, the cause may be
- If a centrifugal pump is noisy in operation, the cause may be________________?
- In a centrifugal pump the pressure energy of water is increased because of
- In a centrifugal pump casing, the flow of water leaving the impeller is
- Total installed cost of a centrifugal pump coupled with drive and capable of developing 1000 ft head at 500 gpm is to be calculated using Rs. 55000 as the cost of a pump of 500 ft head at 1000 gpm. The cost estimation method involves the term capacity which will be taken as (gpm)x (head)y where
- Which of the following valve is installed between the boiler and the feed pump?