Question # 1

The word Fluid means

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To rise

To fall

To flow

To oppose

The dimension of viscosity are

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[M2L-2T2]

[M-1LT-1]

[M-1L-1T]

[ML-1T-1]

The concentration of red blood cells in the blood is nearly.

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40%

60%

25%

50%

Opted unit to measure blood pressure is.

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N/m2

Pascal

mm of Hg

N.m2

The term in Bernoulli's equation has the same unit as

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Work

Volume

Pressure

Force

The diastolic pressure of a normal healthy person is.

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120 torr

110 torr

100 torr

75-80 torr

A₁b₁= A₂b₂represents

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Stock's law

Newton's law

Equation of continuity

Brenoulli's equation

Venturimeter is used ot measure.

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Speed of fluid

Pressure of fluid

Volume of fluid

Mass of fluid

Bunsen burner works on the principle of.

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Venturi effect

Terricilli's effect

Bernoulli's effect

None of these

The product of cross sectional area of a pipe and speed of fluid along the pipe is

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Zero

Maximum

Constant

Variable

The density of blood is nearly equal to.

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Air

Milk

Honey

Water

The drag force increases as the speed of object

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Become zero

Decreases

Increases

Remains constant

1 torr in Nm-2 is expressed as.

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130.5 Nm-2

133.3 N m-2

140.2 Nm-2

135.2 Nm-2

The dimensional of potential energy per unit volume are same as that of.

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Work

Pressure

Speed

Density

Which material has maximum viscosity

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Glycerin

Plasma

Methanol

Water

Pressure of fluid will be low where speed of fluid is.

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Low

Zero

High

Constant

If the stream lines of fluid are forced closer together then.

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Speed of the fluid increases

Speed of the fluid decreases

Pressure of the fluid increases

Speed of the fluid remain same

A 2 meter of high tank is full of water. If a hole appears at its middle, then the speed of efflux is.

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4.4 ms-1

10 ms-1

6.2 ms-1

20 ms-1

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