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311.

Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as

A.	lift	B.	drag
C.	stagnation pressure	D.	bulk modulus

312.

Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, at right angles to the direction of flow of the liquid is known as lift.

True

False

313.

The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.

Agree

Disagree

314.

To force present in a moving liquid is

A.	inertia force	B.	viscous force
C.	gravity force	D.	all of these

315.

To product of mass and accelaration of flowing liquid is called

A.	inertia force	B.	viscous force
C.	gravity force	D.	pressure force

316.

Viscous force is the

A.	sum	B.	different
C.	product	D.	ratio

317.

Surface tension force is the product of surface tension per unit length and cross-sectional area of flow.

Correct

Incorrect

318.

The ratio of the inertia force to the viscous force is called

A.	Reynold's number	B.	Froude's number
C.	Weber's number	D.	Euler's number

319.

The Reynold's number of a ship is

directly proportional

inversely proportional

320.

The ratio of the inertia force to the gravity force is called Froud's number.

Agree

Disagree