204. Reynolds number is the ratio of intertial force to
A.Gravitational force
B.Surface tension
C.Elasticity
D.(e) none of the above.

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205. The energy loss in flow through nozzle as compared to venturhneter is
A.Same
B.More
C.Less
D.More/less depending on flow

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206. Weber number is the ratio ofwintertial force to
A.Gravitational force
B.Surface tension
C.Elasticity
D.Viscosity

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207. Pressure coefficient is the ratio of pressure force to
A.Inertia force
B.Gravity force
C.Viscous force
D.Surface tension

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208. Which of the following is not a dimensionless parameter
A.Reynolds number
B.Friction factor
C.Pressure coefficient
D.Kinematic viscosity

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209. The average value of coefficient of velocity is of the order of
A.0.56
B.0.97.
C.0.78
D.0.89

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210. The coefficients of discharge, velocity and contraction Cd, Cv, and Cc are related as
A.GI= Cy+Cc
B.Cd= Cc X Cv.
C.Cd= Cc?Cc
D.Cd= Cc/C

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