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Fluid Mechanics

The bulk modulus of elasticity___________________?

August 16, 2021January 29, 2019 by QuizMaster
The bulk modulus of elasticity___________________?

A. has the dimensions of 1/pressure
B. increases with pressure
C. is large when fluid is more compressible
D. is independent of pressure and viscosity
E. is directly proportional to flow

Categories Fluid Mechanics

The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to_________________?

August 16, 2021January 29, 2019 by QuizMaster
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to_________________?

A. 1000
B. 2100
C. 2700
D. 10,000
E. 21,000

Categories Fluid Mechanics

Units of surface tension are____________________?

August 16, 2021January 29, 2019 by QuizMaster
Units of surface tension are____________________?

A. energy/unit area
B. distance
C. both of the above
D. it has no units
E. none of the above

Categories Fluid Mechanics

For manometer, a better liquid combination is one having ___________________?

August 16, 2021January 29, 2019 by QuizMaster
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
E. low density and viscosity

Categories Fluid Mechanics

Alcohol is used in manometer, because____________________?

August 16, 2021January 29, 2019 by QuizMaster
Alcohol is used in manometer, because____________________?

A. its vapour pressure is low
B. it provides suitable meniscus for the inclined tube
C. its density is less
D. it provides longer length for a given pressure difference
E. it provides accurate readings

Categories Fluid Mechanics

The property of fluid by virtue of which it offers resistance to shear is called________________?

August 16, 2021January 29, 2019 by QuizMaster
The property of fluid by virtue of which it offers resistance to shear is called________________?

A. surface tension
B. adhesion
C. cohesion
D. viscosity
E. all of the above

Categories Fluid Mechanics

The density of water is 1000 kg/m3 at__________________?

August 16, 2021January 29, 2019 by QuizMaster
The density of water is 1000 kg/m3 at__________________?

A. 0°C
B. 0°K
C. 4°C D. 20°C
E. all temperature

Categories Fluid Mechanics

The ratio of absolute viscosity to mass density is known as_________________?

August 16, 2021January 29, 2019 by QuizMaster
The ratio of absolute viscosity to mass density is known as_________________?

A. specific viscosity
B. viscosity index
C. kinematic viscosity
D. coefficient of viscosity
E. coefficient of compressibility

Categories Fluid Mechanics

Alcohol is used in manometers because___________________?

August 16, 2021January 29, 2019 by QuizMaster
Alcohol is used in manometers because___________________?

A. it has low vapour pressure
B. it is clearly visible
C. it has low surface tension
D. it can provide longer column due to low density
E. is provides suitable meniscus

Categories Fluid Mechanics

Specific weight of sea water is more that of pure water because it contains_________________?

August 16, 2021January 29, 2019 by QuizMaster
Specific weight of sea water is more that of pure water because it contains_________________?

A. dissolved air
B. dissolved salt
C. suspended matter
D. all of the above
E. heavy water

Categories Fluid Mechanics
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