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. Ans
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