Physics
Fluid Dynamics
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#41 The buoyant force is equal to:
A) the volume of the fluid
B) the weight of the object
C) the weight of the displaced fluid
D) the density of the fluid
#42 The viscosity of a fluid is related to:
A) the density of the fluid
B) the volume of the fluid
C) the temperature of the fluid
D) the internal friction within the fluid
#43 The flow of ideal fluid is always
A) Turbulent
B) Streamline
C) Irregular
D) Straight line
#44 According to the equation of continuity \(A_1 V_1 = A_2 V_2 = \text{constant}\). The constant is equal to
A) Flow rate
B) Volume of fluid
C) Mass of fluid
D) Density of fluid
#45 Equation of continuity is obtained by applying law of conservation of
A) Mass
B) Energy
C) Momentum
D) All
#46 Bernoulli’s equation is obtained by applying law of conservation of
A) Mass
B) Energy
C) Momentum
D) All
#47 For which of the following, the viscosity is greater?
A) Air
B) Water
C) Kerosene oil
D) Tarcoal
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