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Fluid-mechanics Questions Set 27:

Quiz Mode

Where does a jet strike a curved plate?

Edge

Surface

Side

Center

Solution:

What type of weir is generally used as a spillway for a dam?

Ogee weir

Submerged weir

Broad crested weir

Narrow crested weir

Solution:

Calculate the specific weight of a liquid with a volume of 7 m³ and a weight of 50 N.

714 KN/m³

7.14 KN/m³

7140 KN/m³

7.14 N/m³

Solution:

The barometric reading at a place is 75 cm of Hg. Express the pressure intensity of 100 kN/m² in kN/m² absolute.

750.72 kN/m²

200.06 kN/m²

102.05 kN/m²

10.19 kN/m²

Solution:

For which of the following shapes is the friction drag generally larger than the pressure drag?

Flow past a sphere

Flow past a cylinder

Flow past an airfoil

Flow past a thin sheet

Solution:

A ball with a volume of 10 m³ is dipped in oil with a density of 850 kg/m³. Find the buoyant force acting on the ball. (Take g = 9.81 m/s²)

83.385 N

83.385 m/s

83.385 kN

83.385 m²/s

Solution:

The maximum Reynolds number for flow in the laminar regime is 2000. Find the maximum diameter of the pipe if the flow velocity is 1 m/s and the coefficient of viscosity is 10^-6 m²/s.

2 mm

4 mm

8 mm

16 mm

Solution:

The rate of increase of velocity with respect to changes in the position of a fluid particle in a flow field is called the

local acceleration

temporal acceleration

convective acceleration

all of the above

Solution:

A reaction turbine is working under a head of 10 m with an average discharge of 700 m³/min. The overall efficiency is 90% and the generator speed is 200 rpm. Find the specific speed of the turbine.

360

360.95

350.6

366.6

Solution:

Which of the following is a function of a hydraulic machine?

Store the energy of water

Increase the pressure of water

Lift water from deep wells

Lift a small quantity of water to a greater height when a large quantity of water is available at a smaller height

Fluid-mechanics Questions Set 27:

Where does a jet strike a curved plate?

Solution:

What type of weir is generally used as a spillway for a dam?

Solution:

Calculate the specific weight of a liquid with a volume of 7 m³ and a weight of 50 N.

Solution:

The barometric reading at a place is 75 cm of Hg. Express the pressure intensity of 100 kN/m² in kN/m² absolute.

Solution:

For which of the following shapes is the friction drag generally larger than the pressure drag?

Solution:

A ball with a volume of 10 m³ is dipped in oil with a density of 850 kg/m³. Find the buoyant force acting on the ball. (Take g = 9.81 m/s²)

Solution:

The maximum Reynolds number for flow in the laminar regime is 2000. Find the maximum diameter of the pipe if the flow velocity is 1 m/s and the coefficient of viscosity is 10^-6 m²/s.

Solution:

The rate of increase of velocity with respect to changes in the position of a fluid particle in a flow field is called the

Solution:

A reaction turbine is working under a head of 10 m with an average discharge of 700 m³/min. The overall efficiency is 90% and the generator speed is 200 rpm. Find the specific speed of the turbine.

Solution:

Which of the following is a function of a hydraulic machine?

Solution:

Related Question Sets:

Related Topics:

Fluid-mechanics Questions Set 27:

Where does a jet strike a curved plate?

Solution:

What type of weir is generally used as a spillway for a dam?

Solution:

Calculate the specific weight of a liquid with a volume of 7 m³ and a weight of 50 N.

Solution:

The barometric reading at a place is 75 cm of Hg. Express the pressure intensity of 100 kN/m² in kN/m² absolute.

Solution:

For which of the following shapes is the friction drag generally larger than the pressure drag?

Solution:

A ball with a volume of 10 m³ is dipped in oil with a density of 850 kg/m³. Find the buoyant force acting on the ball. (Take g = 9.81 m/s²)

Solution:

The maximum Reynolds number for flow in the laminar regime is 2000. Find the maximum diameter of the pipe if the flow velocity is 1 m/s and the coefficient of viscosity is 10-6 m2/s.

Solution:

The rate of increase of velocity with respect to changes in the position of a fluid particle in a flow field is called the

Solution:

A reaction turbine is working under a head of 10 m with an average discharge of 700 m³/min. The overall efficiency is 90% and the generator speed is 200 rpm. Find the specific speed of the turbine.

Solution:

Which of the following is a function of a hydraulic machine?

Solution:

Related Question Sets:

Related Topics:

The maximum Reynolds number for flow in the laminar regime is 2000. Find the maximum diameter of the pipe if the flow velocity is 1 m/s and the coefficient of viscosity is 10^-6 m²/s.