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The liquid flow is most stream lined whe...

The liquid flow is most stream lined when

A

liquid of high viscosity and high density flowing through a tube of small radius

B

liquid of high viscosity and low density flowing through a tube of small radius

C

liquid of low viscosity and low density flowing through a tube of large radius

D

liquid of low viscosity and high density flowing through a tube of large radius

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The correct Answer is:
B
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A "flow calorimeter" is used to measure the specific heat of a liquid. Heat is added at a known rate to a stream of the liquid as it passes through the calorimeter at known rate, then a measurement of the resulting temperature difference between the in flow and the out flow points of the liquid stream enables us to compute the specific heat of the liquid. A liquid of density 0.85 g//cm^(3) flows through a calorimeter at the rate of 8.0 cm^(3)//s . heat is added by means of a 250 watt electric heating coil, and a temperature difference of 15^(@)C is established in steady state conditions between the in flow and out flow points. Q. Specific heat of the liquid is

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NARAYNA-MECHANICAL PROPERTIES OF FLUIDS-C.U.Q (EQUATION OF CONTINUITY, BERNOULLI.S THEOREM)
  1. When the value of Reynolds number is less, the predominant forces are

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  2. In a laminar flow at a given point the magnitude and direction of the ...

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  3. The liquid flow is most stream lined when

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  4. If the flow is stream lined then Reynolds number is less than

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  5. The rate of flow of the liquid is the product of

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  6. The equation of continuity leads to

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  7. The volume of a liquid flowing per second out of an orifice at the bot...

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  8. Water is flowing in a pipe of uniform cross section under constant pre...

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  9. What flows through a horizontal pipe of radius r at a speed V. if the ...

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  10. A liquid is under stream lined motion through a horizontal pipe of non...

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  11. A non-viscous liquid is flowing through a horizontal pipe as shown in ...

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  12. Bernoulli's theorem is applicable in the case of

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  13. If air is blown under one of the pans of a physical balance in equilib...

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  14. If air blown through the space between a calendar suspended from a nai...

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  15. A spinning ball is moving in a direction opposite to the direction of ...

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  16. The dynamic lift of an aeroplane is based on

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  17. A gale is on a house. The force on the roof due to the gale is

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  18. A train goes past a person standing at the edge of a platform at high ...

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  19. The velocity distribution curve of the stream line flow of a liquid ad...

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  20. Water stands at level A in the arrangement shown in figure. If a jet o...

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