Question

1.The pressure in a fluid in equilibrium is same at every point if the effect of gravity is neglected.
This is
a) Boyle's law
b) Charle's law
c) Pascal's law
d) Newton's law
2.The pressure is a fluid depends on
a) Depth
b) Density of fluid
c) Acceleration due to gravity
d) Area
3.At a given point with in the liquid, pressure is same in
a) downward direction b) Upward direction c) All directions d) Can't predict
4.Statement (A) : Hydraulic press in an application of pascal's law
Statement (B): Pressure in a fluid is independent of area of cross section
a) Both A & B are true
b) A is true, b is false
c) A is false & B is true
d) Both A and B are false
5.Mechanical advantage of Hydraulic press is
a) equal to 1
b) greater than 1 c) less than 1 d) equal to zero
6.A closed compartment containing a gas is accelerating forward in the horizontal direction. If the
effect of gravity is neglected, the will be higher in the
a) Front end
b) Rear end
c) Middle
d) Depends on gas filled
7.A hydraulic machine exerts a force of 900 N on a piston of diameter 1.8 cm, the out put force is
exerted on a piston of diameter 36 cm, the out put force is
a) 36 x 10'N b) 36 x 10^N c)36 x 100 N d) 36 x 10'N
8.To lift an automobile of 2000 N, a hydraulic lift with a larger piston 800 cm' in area is used. The
force that must be applied on the smaler piston of area 10 cm’ to accomplish the task is
a) 20 N
b) 25 N
c) 3.0 N
d) 40 N
9.In a liquid at rest, the net force on any - volume element of the
a) Zero
b) Unit
c) Inifinite
d) None of these​

Answer 1

Answer:

sorry didn't know the answer

so