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प्रश्न
State two uses of a hydraulic press.
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उत्तर
(i) A hydraulic press can be used for extracting the juice of sugarcane, sugar beet, etc.
(ii) A hydraulic press can be used for pressing cotton bales, quilts, books, etc.
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संबंधित प्रश्न
Define one pascal (Pa), the S.I. unit of pressure.
Name and state the principle on which a hydraulic press works. Write one use of hydraulic press.
In a hydraulic machine, a force of 2 N is applied on the piston of area of cross section 10 cm2. What force is obtained on its piston of area of cross section 100 cm2 ?
A force of 50 kgf is applied to the smaller piston of a hydraulic machine. Neglecting friction, find the force exerted on the large piston, if the diameters of the pistons are 5 cm and 25 cm respectively.
Select the correct option.
Pressure at a point inside a liquid does not depend on
State Pascal's law.
The density of iron is 7800 kg m-3. What do you mean by this statement? What is density of water at 40C?
State Pascal’s law.
What are Force multipliers?
