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( 1 ) The viscosity of the ethanol at 30 °C is
- 1) 0.801
- 2) 1
- 3) 1.6
- 4) 6.29
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( 2 ) The streamlines flow of the water is also known as
- 1) laminar flow
- 2) turbulent flow
- 3) fluid flow
- 4) both 1 & 2
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Show Answer Report Discussion in forumAnswer : 1) laminar flow
Solution :
discussion
Answer : 1) laminar flow
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( 3 ) The density of the air is round about equal to
- 1) 1.2041 kg/m3
- 2) 1.3041 kg/m3
- 3) 1.4041 kg/m3
- 4) 1.5041 kg/m3
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Show Answer Report Discussion in forumAnswer : 1) 1.2041 kg/m3
Solution :
discussion
Answer : 1) 1.2041 kg/m3
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( 4 ) The density of the water is equal to
- 1) 900 kg/m3
- 2) 950 kg/m3
- 3) 1000 kg/m3
- 4) 1050 kg/m3
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Show Answer Report Discussion in forumAnswer : 3) 1000 kg/m3
Solution :
discussion
Answer : 3) 1000 kg/m3
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( 5 ) Torricelli's theorem is one of the applications of the
- 1) equation of continuity
- 2) Bernoulli's equation
- 3) light equation
- 4) speed equation
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Show Answer Report Discussion in forumAnswer : 2) Bernoulli's equation
Solution :
discussion
Answer : 2) Bernoulli's equation
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( 6 ) When the net force acting on a droplet becomes zero its constant speed is known as
- 1) viscosity
- 2) friction
- 3) gravity
- 4) terminal velocity
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Show Answer Report Discussion in forumAnswer : 4) terminal velocity
Solution :
discussion
Answer : 4) terminal velocity
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( 7 ) According to the equation of continuity the product of area of pipe and the speed of fluid along the pipe is
- 1) 1
- 2) 0
- 3) constant
- 4) different
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Show Answer Report Discussion in forumAnswer : 3) constant
Solution :
discussion
Answer : 3) constant
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( 8 ) Force required to slide one layer from another measures the
- 1) viscosity
- 2) friction
- 3) gravity
- 4) surface tension
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Show Answer Report Discussion in forumAnswer : 1) viscosity
Solution :
discussion
Answer : 1) viscosity
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( 9 ) The net force acting on a droplet of water is equal to the
- 1) weight-drag force
- 2) weight + drag force
- 3) weight*drag force
- 4) weight/drag force
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Show Answer Report Discussion in forumAnswer : 1) weight-drag force
Solution :
discussion
Answer : 1) weight-drag force
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( 10 ) The chimney works best on the principle of
- 1) equation of continuity
- 2) Bernoulli's equation
- 3) light equation
- 4) speed equation
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Show Answer Report Discussion in forumAnswer : 2) Bernoulli's equation
Solution :
discussion
Answer : 2) Bernoulli's equation
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