Advertisements
Advertisements
प्रश्न
State two uses of a hydraulic press.
Advertisements
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 principle of a hydraulic machine. Name two devices which work on this principle.
Name and state the principle on which a hydraulic press works. Write one use of hydraulic press.
Select the correct option.
Pressure at a point inside a liquid does not depend on
At a given place, a barometer records 70 cm of Hg. If the mercury in the barometer is replaced by water, what would be resulting in reading? (Density of Hg = 13600 kg/m3; Density of water = 1000 kg/m3)
The following figure shows a manometer containing a liquid of density p. The limb P of the manometer is connected to a vessel V and the limb Q is open to atmosphere. The difference in the levels of liquid in the two limbs of the manometer is h as shown in the diagram. The atmospheric pressure is P0.
(i) What is the pressure on the liquid surface in the limb Q?
(ii) What is the pressure on the liquid surface in the limb P?
Hydraulic lift works under the principle of _______.
Analogy
Pascal’s law: ______:: Surface tensin: ______.
What are Force multipliers?
