15. Specific weight of water in S.I. units is equal to
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16. When the flow parameters at any given instant remain same at every point, then flow is said to be
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17. Which of the following is demensionless
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18. The normal stress in a fluid will be constant in all directions at a point only if
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19. The pressure at a point in a fluid will not be same in all the directions when the fluid is
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20. An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is
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21. The tendency of a liquid surface to contract is due to the following property
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