Fluid Mechanics Unit 1

Study of Fluids under motion without considering pressure is called as

• Hydrostatics

• Hydrodynamics

• Hydrokinematics

• Hydrology

Study of fluids under motion by considering pressure forces are called as

• Hydrostatics

• Hydrodynamics

• Hydrokinematics

• Hydrology

Which of the following is not a fundamental dimension?

• Mass

• Length

• Density

• Time

Which of the following is not a secondary dimension?

• Density

• Length

• Specific Weight

• Force

The amount of matter contained in a body is known as

• Weight

• Force

• Density

• Mass

Mass Density is defined as

• ratio of a mass of fluid to its weight of the fluid

• ratio of a mass of fluid to its volume of the fluid

• ratio of a volume of fluid to its mass of the fluid

• ratio of a volume of fluid to its weight of the fluid

Density of water is

• 1000 g/cm^3

• 1000 g/m^3

• 1000 kg/m^3

• 1000 kg/cm^3

The unit of specific weight is

• cm/sec^2

• kg/m^3

• N/m^2

• N/m^3

The reciprocal of density is known as

• Weight density

• Relative density

• Specific volume

• Mass density

The specific gravity of oil is 0.8. The density of oil is?

• 80 kg/m^3

• 800 kg/m^3

• 980 kg/m^3

• 1000 kg/m^3