ENGINEERING MECHANICS QUIZ

What device converts light energy to electrical energy?

Photovoltaic cell

Thermocouple

Heliostats

Photodiode

TRUE ANSWER : ?
YOUR ANSWER : ?

Weight of a body is maximum at the:

Subtropics

Pole

Equator

Tropics

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In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ?

Infrared

X-ray

Ultraviolet

Visible

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One thousand microns is equal to

10-9m

10-6m

10-12m

10-3m

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Pipelines in cold countries often burst in winter, because

Pipelines contract in their volume

Water freezes and expands in its volume

Temperature of ice is less than that of water

Pipelines expand due to freezing

TRUE ANSWER : ?
YOUR ANSWER : ?

Which color deviates highest when passing through a Prism

Violet

Indigo

Orange

Green

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When a body is immersed in a liquid, the force acting on it is

Upthrust

Weight

Both (A) and (B)

Mass

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A device used for converting a.c. into d.c. is called

Rectifier

Dynamo

Transformer

Induction coil

TRUE ANSWER : ?
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Negative acceleration is in the opposite direction of:

Velocity

Distance

Momentum

Force

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A spherical ball made of steel when dropped in mercury container

Will be on the surface of mercury

Will be partly immersed mercury

Sink in mercury

Will dissolve in mercury

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