Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will

Fluid Mechanics
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will

Remain unchanged

Decrease

Data insufficient to predict relative pressure drop

Increase

Remain unchanged

Decrease

Data insufficient to predict relative pressure drop

Increase

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Fluid Mechanics
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now

Remain same

Decrease

Increase

Data insufficient to predict

Remain same

Decrease

Increase

Data insufficient to predict

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Fluid Mechanics
The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s).

0.24

24

0.44

24000

0.24

24

0.44

24000

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Fluid Mechanics
Design of the casing of centrifugal pump should be such as to minimise the

Back flow through impeller

Loss of static head

Loss of kinetic head

None of these

Back flow through impeller

Loss of static head

Loss of kinetic head

None of these

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Fluid Mechanics
Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics.

Positive displacement

Gear

Piston

Sump

Positive displacement

Gear

Piston

Sump

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Fluid Mechanics
The bulk modulus of elasticity of a liquid

Decreases with pressure

Is zero for incompressible liquid

Increases with pressure

Is independent of temperature & pressure

Decreases with pressure

Is zero for incompressible liquid

Increases with pressure

Is independent of temperature & pressure

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Fluid Mechanics

Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will

Fluid Mechanics A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now

Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s).

Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the

Fluid Mechanics Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics.

Fluid Mechanics The bulk modulus of elasticity of a liquid

Fluid Mechanics
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will

Fluid Mechanics
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now

Fluid Mechanics
The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s).

Fluid Mechanics
Design of the casing of centrifugal pump should be such as to minimise the

Fluid Mechanics
Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics.

Fluid Mechanics
The bulk modulus of elasticity of a liquid