Theory of Machines MCQ with Answers

Theory of Machines MCQ with Answers

11) When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Answer is:

nearly horizontal

12) In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by

Answer is:

trimming the impeller size to the required size by machining

13) If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

Answer is:

same quantity of liquid

14) The horse power required in above case will be

Answer is:

0.75 B.H.P.

15) Low specific speed of a pump implies it is

Answer is:

centrifugal pump