Question # 1

Minor losses through values, fittings, bends etc are modeled as proportional to

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Velocity head

Static head

total head

Pressure drop

Which of the following solids exhibits only short range order.

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Amorphous solids

Polymeric solids

Crystalline solids

All of the above

Artificial polymers are made by a chemicals reaction known as.

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Crystallization

Electroplating

Polymerization

Polarization

Amorphous solids are also called.

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Crystalline solids

Glassy solids

Polymeric solids

Polymers

In any fluid the effect of decrease in pressure with the increase in speed in a horizontal pipe is known as

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Bernoulli's effect

Venturi effect

Torriculli's effect

Shift effect

Venturimeter is a device used to measure

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Density of a fluid

Speed of a fluid

Pressure of a fluid

Viscosity of a fluid

Soap cleans the dirty clothes because.

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Its chemical constituents are changed

Itr increases the surface tension of its solution with water

It increases the surface tension of its solution with water

It is less dense than that of water

The velocity at which laminar flow changes to turbulent flow is called.

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Terminal velocity

Escape velocity

Critical velocity

Uniform velocity

An alternation produced in shape length or volume when a body is subjected to some external force is.

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Deformation

Polymerization

Crystallization

Elasticity

A small and a large rain drops are falling thgouth all.

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Large drop falls faster

Both move with same velocity

Small drop falls faster

Small drop does not fall

An instrument which can float in the liquid to be tested and by means of which the specific gravity of the liquid may be determined is.

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Hydrometer

Barometer

Siphon

Lactometer

Blood is

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A compressible fluid

an incompressible fluid

Non viscous fluid

Not a fluid

A structure that is intermediate between order and disorder is.

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glassy solids

Polymeric solids

Amorphous solids

Crystalline solids

The product of velocity and cross sectional are for a liquid flowing through a pipe is a measure of the.

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Rate of flow

Volume of fluid

Fluid pressure

Fluid friction

The strength per unit volume of a solid is called.

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shear stress

Shear strain

Bulk strength

Bulk modulus

The force applied on unit area of a body to produce any change in shape volume or length is known as.

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Strain

Stress

Tensile strain

Tensile stress

Bernouli's equation includes as a special case of.

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Hook's law

Torricelli's therorem

Third law of motion

Archimedes principle

The ratio of tensile stress to tensile strain is called.

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Shear modulus

Bulk modolus

Young's modulus

Elastic limit

Rate of flow of a liquid is expressed in

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Litre m-3

Litre s-1

Litre m-1

Litre s

A tin film of liquid is enclosed between two glass plates it is difficult to spates the plates on account of.

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Surface tension

Atmospheric pressure

Viscosity

Friction

the ratio of applied stress to volumetric strain is called.

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shear modulus

Bulk modulus

Young's modulus

elastic limit

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PPSC Physics Chapter 2 Structural Properties of Matter MCQs With Answers

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