11) Fluid is a substance which offers no resistance to change of
a) Volume
b) Pressure
c) Shape
d) Flow
12)For manometer, a better liquid combination is one having
a) Higher surface tension
b) Lower surface tension
c) Surface tension is no criterion
d) High density and viscosity
13) Fluid statics deals with
a) viscous and pressure force
b) viscous and gravity force
c) gravity and pressure force
d) surface tension and gravity force
13) Bourdon gauge measures
a) absolute pressure
b) gauge pressure
c) local atmospheric pressure
d) standard atmospheric pressure
14) For warship, metacentric height of a ship should vary between
a) 0 – 1m
b) 1 – 2 m
c) 5 – 10 m
d) > 10 m
15) The resultant pressure on a body impressed in a fluid is called
a) Fluid pressure
b) Upthrust
c) Buoyancy
d) Gravity
16) The time of oscillation of a floating body with increase in metacentric height will be
a) increases
b) decreases
c) unaltered
d) lower/higher depending on weight of body
17) The continuity equation represents conservation of
a) Mass
b) Momentum
c) Energy
d) Vorticity
18) The potential lines in case of a doublet are
a) circles tangent to the x-axis
b) circles tangent to the y-axis
c) concentric circles with center on the x-axis
d) concentric circle with center on the y-axis
19) The dimension of kinetin energy correction factor a is
a) M0L T0
b) M0L1T-2
c) M0L0T0
d) M1L2T-2
20) The range for coefficient of discharge (Cd) for a venturimeter is
a) 0.61 to 0.79
b) 0.72 to 0.89
c) 0.85 to 0.92
d) 0.95 to 0.99