Fluid & Hydraulics

81) If the Froude number in open channel flow is less than 1.0, the flow is called

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sub-critical

82) If the Froude number in open channel flow is more than 1.0, Ine flow is called

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shooting flow

83) If the Froude number in open channel flow is equal to 1.0, the flow is called

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critical flow

84) The flow in the channel will be turbulent if Reynolds number is more than

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2000

85) A flow in a channel will be laminar, if Reynolds number of the flow

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is less than 500

86) If the depth of flow along the length of the channel is constant, then flow is known as

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uniform

87) The condition of stable equilibrium for a floating body is

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the metacentre M is below centre of gravity G

88) A submerged body will be in stable equilibrium if

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the centre of buoyancy B is above G

89) The metacentric height of a floating body is

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the distance between metacentre and centre of gravity

90) If the velocity, pressure, density etc., do not change at a point with respect to time, the flow is called

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steady

Subject Notes

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→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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