According to Bernoulli’s equation P ρ g + h + 1 2 v 2 g =constant The terms A = P ρ g , B = h and C = 1 2 v 2 g are generally called respectively

Pressure head, gravitational head and velocity head.

Gravitational head, pressure head and velocity head.

Gravity, gravitational head and velocity head.

E M B I B E

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-1>Q 69

MEDIUM

NEET

IMPORTANT

Earn 100

At what speed, the velocity head of water is equal to the pressure head of $40 cm$ of $Hg$ ?

50% studentsanswered this correctly

Important Questions on Fluid Mechanics

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-1>Q 70

A hole in the bottom of the tank having water. If total pressure at bottom is 3 atm (

1

a t m = 10^{5} N m^{- 2}

), then velocity of water flowing from hole is

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-1>Q 71

The velocity of water flowing in a non-uniform tube is

20 cm s^{- 1}

at a point where the tube radius is

0.2 cm

. The velocity at another point, where the radius is

0.1 cm

is

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-1>Q 72

Water is poured in a vessel at a constant rate

β m^{3} s^{- 1}

. There is a small hole of the area

α

at the bottom of the vessel. The maximum level of water in the vessel is proportional to

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-1>Q 73

A manometer connected to a closed tap reads

3.5 \times 10^{5} N m^{- 2}

. When the value is opened, the reading of manometer falls to

3.0 \times 10^{5} N m^{- 2}

, then velocity of flow of water is

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-1>Q 74

According to Bernoulli’s equation

$\frac{P}{ρ g} + h + \frac{1}{2} \frac{v^{2}}{g}$ =constant

The terms $A = \frac{P}{ρ g}, B = h$ and $C = \frac{1}{2} \frac{v^{2}}{g}$ are generally called respectively

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-1>Q 75

An ice-cube of density

900 kg m^{- 3}

is floating in the water of density

1000 kg m^{- 3}

. The percentage of the volume of ice cube outside the water is

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-2>Q 1

A viscous fluid is flowing through a cylindrical tube. The velocity distribution of the fluid is best represented by the diagram

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 13 - Fluid Mechanics>Exercise-2>Q 3

The cubical container $ABCDEFGH$ which is completely filled with an ideal (nonviscous and incompressible) fluid, moves in a gravity free space with $a$ acceleration of $a = a_{0} (\hat{i} - \hat{j} + \hat{k})$ , where $a_{0}$ is a positive constant. Then the only point in the container where pressure is maximum, is