Recent questions in IES Conventional-1

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Show that the maximum efficiency for a jet striking

asked Nov 5, 2017 in FM by chandu (215k points)

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The maximum efficiency occurs when the turbine bucket moves at half the jet speed.

asked Nov 5, 2017 in FM by chandu (215k points)

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What do you mean by cavitation phenomena associated with hydraulic turbo machines?

asked Nov 5, 2017 in FM by chandu (215k points)

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calculate speed of the wheel for a frequency of 50 hertz/sec.

asked Nov 5, 2017 in FM by chandu (215k points)

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In a reaction turbine with radial vanes at inlet, the velocity of flow at outlet is ‘K’ times that at inlet. Prove that

asked Nov 5, 2017 in FM by chandu (215k points)

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what would be the maximum efficiency for semi-circular vanes when K = 1.

asked Nov 5, 2017 in FM by chandu (215k points)

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what speed should it run?

asked Nov 5, 2017 in FM by chandu (215k points)

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Determine the blade and hydraulic efficiencies. Neglect frictional losses.

asked Nov 5, 2017 in FM by chandu (215k points)

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Where K is the friction factor. Mention the criteria for selecting water turbines for hydel power plant.

asked Nov 5, 2017 in FM by chandu (215k points)

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Assuming flow velocity constant, calculate guide vane angle at inlet and runner vane angle at inlet and out let.

asked Nov 5, 2017 in FM by chandu (215k points)

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Obtain an expression for the specific speed of a hydraulic turbine and explain its significance.

asked Nov 5, 2017 in FM by chandu (215k points)

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What is the specific speed of the turbine?

asked Nov 5, 2017 in FM by chandu (215k points)

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Calculate the diameter and width of the runner at inlet. Blade thickness coefficient is 5%.

asked Nov 5, 2017 in FM by chandu (215k points)

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The velocity of the wheel at the pitch radius.

asked Nov 5, 2017 in FM by chandu (215k points)

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Determine (i) diameters at inlet and outlet, (ii) width of wheel at inlet and outlet,

asked Nov 5, 2017 in FM by chandu (215k points)

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Which of these has/have the least perimeter and the longest perimeter?

asked Nov 5, 2017 in FM by chandu (215k points)

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Find an expression for the drag force on smooth sphere of diameter D,

asked Nov 5, 2017 in FM by chandu (215k points)

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Find the expression for the thrust F on the propeller of a ship.

asked Nov 5, 2017 in FM by chandu (215k points)

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Estimate the drag force on the prototype if the drag force on the model is 400 N.

asked Nov 5, 2017 in FM by chandu (215k points)

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Establish the effect of speed on discharge, head developed and power required by pump.

asked Nov 5, 2017 in FM by chandu (215k points)

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Recent questions in IES Conventional-1

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