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Fluid-mechanics Questions Set 46:

Quiz Mode

What is the Mach number range for Transonic flow?

1.0

< 0.8

0.8 - 1.3

5.0 - 10.0

Solution:

Which equation correctly represents Froude's number?

None of the above

V/√(g*L)

V²/√(g*L)

V/√(L²*g)

Solution:

What principle does an aeroplane use to generate lift on its wings?

Newton's third law

Bernoulli's principle

Aerodynamics

None of the above

Solution:

What Mach number range is considered for gases to be treated as incompressible?

greater than 1

equals to 1

between 0.3 to 0.8

less than 0.3

Solution:

What is the primary purpose of a manometer?

None of the above

To measure fluid velocity

To measure fluid pressure

To measure fluid discharge

Solution:

On which of Newton's laws does the principle of jet propulsion work?

Newton's first law

Newton's second law

Newton's third law

None of the above

Solution:

A water tank contains 3.3 m of water depth. What is the pressure exerted by the water per metre length of the tank in Newtons?

53410.45 N

53415.45 N

54416.45 N

54444.55 N

Solution:

To find the Hydraulic grade line, which other parameter is required in addition to the Pressure head?

Datum head

Kinetic head and Hydraulic head

Hydraulic head

Kinetic head

Solution:

What is the ratio of the quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller?

overall efficiency

manometric efficiency

volumetric efficiency

efficiency

Solution:

What is the term used to describe a steam engine when the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m?

high speed steam engine

low speed steam engine

medium speed steam engine

super slow speed steam engine

Fluid-mechanics Questions Set 46:

What is the Mach number range for Transonic flow?

Solution:

Which equation correctly represents Froude's number?

Solution:

What principle does an aeroplane use to generate lift on its wings?

Solution:

What Mach number range is considered for gases to be treated as incompressible?

Solution:

What is the primary purpose of a manometer?

Solution:

On which of Newton's laws does the principle of jet propulsion work?

Solution:

A water tank contains 3.3 m of water depth. What is the pressure exerted by the water per metre length of the tank in Newtons?

Solution:

To find the Hydraulic grade line, which other parameter is required in addition to the Pressure head?

Solution:

What is the ratio of the quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller?

Solution:

What is the term used to describe a steam engine when the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m?

Solution:

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