Advertisements
Advertisements
प्रश्न
State two uses of a hydraulic press.
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.
APPEARS IN
संबंधित प्रश्न
Explain the working of a hydraulic brake with a simple labelled diagram.
What force is applied on a piston of area of cross section 2 cm2 to obtain a force 150 N on the piston of area of cross section 12 cm2 in a hydraulic machine?
66640 Pa pressure is exerted by 0.50 m vertical column of a liquid. If g = 9.8 Nkg−1, calculate the density of the liquid.
The area of cross-sections of the pump plunger and press plunger of a hydraulic press is 0.02 m2 and 8 m2 respectively. If the hydraulic press overcomes a load of 800 kgf, calculate the force acting on the pump plunger.
Select the correct option.
The pressure exerted by 50 kg (g = 10 m/s−2) on an area of cross-section of 2 m2 is
The density of iron is 7800 kg m-3. What do you mean by this statement? What is density of water at 40C?
Pascal’s law is used in
Analogy
Pascal’s law: ______:: Surface tensin: ______.
A hydraulic press can lift 100 kg when a mass 'm' is placed on the smaller piston. It can lift ______ kg when the diameter of the larger piston is increased by 4 times and that of the smaller piston is decreased by 4 times keeping the same mass 'm' on the smaller piston.
