Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Explain the principle of a hydraulic machine. Name two devices which work on this principle.
Draw a simple diagram of a hydraulic jack and explain its working.
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 ?
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.
A dam for water reservoir is built thicker at the bottom than at the top because
The atmospheric pressure at a place is 650 mm of Hg. Calculate this pressure in Pascals (Pa).
State Pascal's law.
Do all liquids exert pressure?
State and explain Pascal's law of transmission of pressure.
An iceberg of density 700 kg/m3 is floating in the water of density 1000 kg/m3. The percentage of the volume of ice cube outside the water is:
