Properties of Solids & Liquids (AIIMS (All India Institute of Medical Sciences) Physics): Questions 30 - 33 of 48

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Question number: 30

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

Calculate the volume of water flowing in 20 minute through a horizontal tube of 0.4 cm diameter, 80 cm long. The pressure head across the ends of the tube is 30 cm of water column. Coefficient of viscosity of water is S. I. units.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 31

» Properties of Solids & Liquids » Pressure Due to a Fluid Column

MCQ▾

Question

The pressures of water in a pipe when the tap is open and closed are respectively and. With the open tap the velocity of water flowing is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 32

» Properties of Solids & Liquids » Stress-Strain Relationship

MCQ▾

Question

A metal wire of cross – sectional area is held taut at between two rigid supports with negligible tension in it. Find the tension developed in the wire if it is cooled to .

(Given of metal and )

Choices

Choice (4) Response

a.

900 N

b.

700 N

c.

760 N

d.

840 N

Question number: 33

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

of a viscous liquid flows per unit time due to a pressure head along a pipe of diameter and length . Instead of this pipe, a set of eight pipes each of the diameter and length is connected to the same pressure head . What will be the volume of liquid flowing per unit time?

Choices

Choice (4) Response

a.

b.

c.

d.

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