• #### 1.  The pressure less than atmospheric pressure is known as

• suction pressure
• vacuum pressure
• negative gauge pressure
• all of these
• #### 2.  The value of the compressibility of an ideal fluid is

• zero
• unity
• infinity
• more than that of a real fluid
• #### 3.  The value of the viscosity of an ideal fluid is

• zero
• unity
• infinity
• more than that of a real fluid

• zero
• unity
• infinity
• very low

• N/m3
• N/m2
• N/m
• N/ms

• Density
• Stress
• Strain
• Strain Rate

• Solid
• Liquid
• Gas
• Fluid
• #### 8.  The discharge through a channel of trapezoidal section is maximum when

• width of channel at the top is equal to twice the width at the bottom
• depth of channel is equal to the width at the bottom
• the sloping side is equal to half the width at the top
• the sloping side is equal to the width at the bottom
• #### 9.  The kinematic viscosity is the

• ratio of absolute viscosity to the density of the liquid
• ratio of density of the liquid to the absolute viscosity
• product of absolute viscosity and density of the liquid
• product of absolute viscosity and mass of the liquid
• #### 10.  If a person studies about a fluid which is at rest, what will you call his domain of study?

• Fluid Mechanics
• Fluid Statics
• Fluid Kinematics
• Fluid Dynamics

• t =2π√L/2g
• t =2π√L/g
• t =π√L/2g
• t =π√L/g

• 100 cm3
• 250 cm3
• 500 cm3
• 1000 cm3

• M L-1T-1
• M L-2 T-2
• M L-3 T-2
• M L-3 T-3
• #### 14.  The similarity of motion between the model and prototype is ________

• Dynamic similarity
• Potential similarity
• Kinematic similarity
• Design similarity

• -0.2 cm
• -0.4 cm
• 0.5 cm
• -0.5 cm
• #### 17.  A venturiflume is used to measure

• pressure of liquid
• discharge of liquid
• pressure difference between two points in a channel
• pressure difference between two points in a pipe
• #### 18.  The fluid will rise in capillary when the capillary is placed in fluid, if

• the adhesion force between molecules of fluid and tube is less than the cohesion between liquid molecules
• the adhesion force between molecules of fluid and tube is more than the cohesion between liquid molecules
• the adhesion force between molecules of fluid and tube is equal to the cohesion between liquid molecules
• None of the above
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