# Total pressure on 1m*1m gate immersed vertically at a depth of 2 m below the freewater surface will be

1.  1000 kg

2.  2000 kg

3.  4000 kg

4.  8000 kg

4

2000 kg

Explanation :
No Explanation available for this question

# The depth of centre of pressure in rectangular lamina of height h with one side in the liquid surface is at

1.  h

2.  h/3

3.  2h/3

4.  h/2

4

2h/3

Explanation :
No Explanation available for this question

# In the given figure pressure p, in kPa, is

1.  51.3

2.  48.0

3.  45.2

4.  30.0

4

48.0

Explanation :
No Explanation available for this question

# The flow of any fluid, real or ideal satisfies 1.Newton’s law of viscosity 2.Newton’s second law of motion 3. Continuity equation 4.τ=(μ+η)du/dy 5.velocity at boundary must be zero relative to boundary 6.fluid cannot generate a boundary

1.  1,2,3

2.  1,3,6

3.  2,3,5

4.  2,4,6

4

2,4,6

Explanation :
No Explanation available for this question

# Process of diffusion of one liquid in to other through a semi-permeable membrane is called

1.  Viscosity

2.  Osmosis

3.  Surface tension

4.  Cohesion

4

Osmosis

Explanation :
No Explanation available for this question

# The total pressure on the  surface of a vertical sluice gate 2m*1m with its top 2 m, surface being 0.5 m below the water level will be

1.  500 kg

2.  100 kg

3.  1500 kg

4.  2000kg

4

2000kg

Explanation :
No Explanation available for this question

# The resultant upward pressure of a fluid on a floating body is equal to the weight of fluid displaced by the body. This definition is according to

1.  Buoyancy

2.  Equilibrium of a floating body

3.  Archimedes’ principle

4.  Bernoulli’s theorem

4

Archimedes’ principle

Explanation :
No Explanation available for this question

# If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be

1.  Higher than the surface of liquid

2.  Same as the surface of liquid

3.  Lower than the surface of liquid

4.  Unpredictable

4

Lower than the surface of liquid

Explanation :
No Explanation available for this question

# The point in the immerse body through which the resultant pressure of the liquid may be taken to act is known as

1.  Metacentre

2.  Centre of pressure

3.  Centre of buoyancy

4.  Centre of gravity

4

Centre of pressure

Explanation :
No Explanation available for this question

# A ballon lifting in air follows the

1.  Law of gravitation

2.  Archimedes principle

3.  Principle of buoyancy

4.   All of the above

4

Archimedes principle

Explanation :
No Explanation available for this question

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