Pressure || Solved Q/A for S.E.E. - Exam || Part-2
PRESSURE
Part-2
Very short questions and answers for S.E.E. students
Questions and answers to practice for S.E.E. examination
1) Why are hydraulic brakes are used?
Answer: Hydraulic brakes are used in heavy automobiles like trucks, buses, aeroplanes, motorbikes, cars, etc. to stop them by applying a small force.
2) What is hydraulic press?
Answer: Hydraulic press is an equipment based on Pascal's law which is used to press things like cotton, paper, etc.
3) Write down the use of hydraulic jack (lift).
Answer: Hydraulic lift (jack) is used for lifting automobiles like car, motorbike, truck, bus, etc. in service station.
4) What is water pump?
Answer: The equipment which is used to lift water from well is called water pump.
5) How is it possible to fill ink in a fountain pen?
Answer: It is possible to fill ink in a fountain pen due to the change in atmospheric pressure inside and outside of the pipe of a fountain pen.
6) Name two instrument that are based on the law of flotation.
Answer: Two instrument that are based on the law of flotation are:
i) Hydrometer
ii) Ship
7) What is mercury barometer?
Answer: The instrument made by using mercury to measure the atmospheric pressure is called mercury barometer.
8) What is a syringe?
Answer: The medical instrument which is used to draw blood from the body or to inject medicine into the body of the patient through blood is called syringe.
9) Name any three parts of a syringe.
Answer: The three main parts of syringe are:
i) Storage cylinder
ii) Piston and
iii) Needle
10) What is air pump?
Answer: The instrument which is used to inflate tubes of vehicles, cycle and motor cycle is called air pump.
11) At what condition does a body float on liquid?
Answer: A body float on a liquid when the weight of the liquid displaced by it is equal to its own weight.
12) "The weight of displaced liquid is equal to the weight of floating object." which principle doses this statement belong to?
Answer: This statement belongs to "Law of flotation".
13) What change in atmospheric pressure is observed while moving upwards from the earth's surface?
Answer: Atmospheric pressure decreases while moving upwards from the earth's surface.
14) Write the value of atmospheric pressure at sea level.
Answer: The value of atmospheric pressure at the sea level is 760 mm of Hg.
15) What is atmospheric pressure?
Answer: The pressure exerted by atmosphere per unit area of the earth's surface is called atmospheric pressure.
16) Why does air gives pressure towards ground?
Answer: Air gives pressure towards ground due to its weight.
17) What is atmosphere?
Answer: The earth is covered by a thick layer of air which is called atmosphere.
18) How is it possible to fill medicine in a syringe? Write.
Answer: It is possible to fill medicine in a syringe due to the change in pressure inside and outside of the pipe (barrel) of a syringe.
19) Name any two equipment based on atmospheric pressure.
Answer: Two equipment based on atmospheric pressure are:
i) Water lifting pump and
ii) Air filling pump in bicycle.
More questions will be given in another blog post.
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More questions will be given in another blog post.
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For any kind of query in any chapter of S.E.E. science, mail your question/s on
pravin.keshari.31@gmail.com
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