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Department of Mechanical Engineering
FM and FM
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Question 1 : The value of specific weight for water in S.I units is equal to
Option-1 :981 n/m3
Option-2 :98.1 n/m3
Option-3 :9810 n/m3
Option-4 :1000 n/m3
Question 2 : Numerical value of gauge pressure is
Option-1 :more than absolute pressure
Option-2 :less than absolute pressure
Option-3 :equal to the absolute pressure
Option-4 :none of the above
Question 3 : If the head on the turbine is more than 300 m, the type of turbine used should be
Option-1 :kaplan
Option-2 :francis
Option-3 :pelton
Option-4 :propeller
Question 4 : if the specific speed of a turbine is more than 300, the type of turbine is.
Option-1 :pelton
Option-2 :kaplan
Option-3 :francis
Option-4 :pelton with more jets
Question 5 : Run away speed of a pelton what means
Option-1 :full load speed
Option-2 :no load speed
Option-3 :no load speed with no governor mechanism
Option-4 :none of the above
Question 6 : surge tank in a pipe line is used to
Option-1 :reduce the lose of head due to friction in pipe
Option-2 :make the flow uniform in pipe
Option-3 :release the pressure due to water hammer
Option-4 :none of the above
Question 7 : For low heads and high discharge , the suitable turbine ia
Option-1 :pelton
Option-2 :francise
Option-3 :kaplan
Option-4 :none of the above.
Question 8 : The flow of water , leaving the impeller, in a centrifugal pump cabing is
Option-1 :forced vortex flow
Option-2 :free vortex flow
Option-3 :cuntrifugal flow
Option-4 :none of the above
Question 9 : Rotameter is used for measuring
Option-1 :density of fluids
Option-2 :free vortex flow
Option-3 :discharge of fluids
Option-4 :none of the above .
Question 10 : To produce a high head by multistage centrifugal pumps, the impellers are connected.
Option-1 :in parallel
Option-2 :in series
Option-3 :in parallel and in series both
Option-4 :none of the above
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