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Mechanical Properties of Fluids worksheet





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Multiple Choice Questions
Question 1: A bowl of soup rests on a table in the dining car of a Rajdhani train. The acceleration of the train is g/4 in the forward direction.
What angle does the surface of the soap make with the horizontal?
a) Mechanical Properties of Fluids Worksheet
b) Mechanical Properties of Fluids Worksheet
c) Mechanical Properties of Fluids Worksheet
d) Mechanical Properties of Fluids Worksheet
 
Match the column
Question 2:
A block of ice is floating in a liquid of relative density k contained in a beaker
When the ice melts completely, match the column
Column I (k values)
A)  k > 1
B)  k < 1
C)  k=1                                                    
 
Column II
P) Liquid level will increase
Q) Liquid level will decrease
R) Liquid level will remain unchanged
S) No appropriate match given
Linked Type comprehensions
Question -3
A body of density ρ1 is dropped from rest at a height h into a lake of density ρ221)
Neglect all the dissipative effects
1) Calculate the acceleration of this body while it is in the lake
a) Mechanical Properties of Fluids Worksheet  Upward direction
b) Mechanical Properties of Fluids Worksheet Downward direction
c) Mechanical Properties of Fluids Worksheet Upward direction
d) Mechanical Properties of Fluids Worksheet Downward direction
Question 4 The maximum depth to which the body sinks before returning to float on the surface is proportional to the height h
And it is given by
H=kh.
What is the value of k
a)
b)
c) Mechanical Properties of Fluids Worksheet
 
d) None of these

Linked Type Comprehension
Question 5:
Water stands at a depth h behind the vertical face of a dam. It exerts a resultant horizontal force on the dam, tending to slide it along its foundation and a torque tending to overturn the dam about the point X. The width of the dam is L.
The density of the water is ρ
 

 
1) The resulting horizontal force acting on the dam due to water column
a)  Proportional to h2
b) Proportional to density ρ
c)  Proportional to L
d) None of these
Question 6 The torque of the forces about point X is given by
a)
b)
c)
d)
 
Multiple Choice Questions
Question 7
A piston of Weight W has the form of circular disk with radius R1 . The disk has a hole into which a thin walled pipe with a radius R2 is inserted. The piston can enter a cylinder tightly and without friction and it is initially at the bottom of the cylinder. M kg of water is poured into the pipe. Find the height of the piston above the bottom
a) Mechanical Properties of Fluids Worksheet
 
b)
 
c)
 
d)
 
Question 8:
A tank contains water on top of mercury. A cube of iron .06 m along each edge is sitting upright in equilibrium in the liquid.
Density of iron =7.7X103 kg/m3
Density of mercury = 13.6X103 kg/m3
Which one of the following is true
a) x=32mm and y=28mm
b) The pressure difference (p2-p1) is 4632 N/m2
c) The weight of the mercury cube is 16.632 g
d) None of these
 
 
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