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Q2) Choose the most suitable answer: 1. The maximum power transmitted by the jet on a moving flat plate is occurs when: a:u=V/3 b:u=V/2 c:u=V d:u=V/4 2. The angle of deflection between the tangents of the tips of symmetrical vane when the jet shooting the vane at its center is: a: 180 – 0 b:180 + 0 c: 180 – 20 d:180 3. The kinetic energy per unit mass is: a:V /2g b:V /2 c:V /8 d:V /P

Q2) Choose the most suitable answer: 1. The maximum power transmitted by the jet on a moving flat plate is occurs when: a:u=V/3 b:u=V/2 c:u=V d:u=V/4 2. The angle of deflection between the tangents of the tips of symmetrical vane when the jet shooting the vane at its center is: a: 180 – 0 b:180 + 0 c: 180 – 20 d:180 3. The kinetic energy per unit mass is: a:V /2g b:V /2 c:V /8 d:V /P

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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ممكن حل ذني بسرعه
Q2) Choose the most suitable answer: 1. The maximum power transmitted by the jet on a moving flat plate is occurs when: a:u=V/3 b:u=V/2 c:u=V d:u=V/4 2. The angle of deflection between the tangents of the tips of symmetrical vane when the jet shooting the vane at its center is: a: 180 – 0 b:180 + 0 c: 180 – 20 d:180 3. The kinetic energy per unit mass is: a:V /2g b:V /2 c:V /g d:V / P 4. The hydraulic machine which converts the fluid energy to shaft power is known as: a:Pump b:Turbine c:Impeller d:The correct answer is not exist 5. The term impulse turbine refers to: a:Tangential action of jet b:axial action of jet c:Radial action of jet d:Both axial and radial flow action 6. Kaplan turbine working under: a:high head and low discharge b: high rate of discharge and low head c:medium rate of head and discharge d:The correct answer is not exist 7. The tangential velocity for a series of radial curved vanes at the outlet is: a: less than the tangential velocity at inlet c: equal the tangential velocity at inlet b: greater than the tangential velocity at inlet d:The correct answer is not exist 8. The action of jet coming out from an orifice is equal in magnitude with direction to the reaction force. b:opposite c:Normal d:The correct answer is not exist a:same 9. Cavitation in centrifugal pump begins when the pressure at the suction pipe a:rising above the vapor pressure b:falling below the vapor pressure c:equal to the atmospheric pressure d:The correct answer is not exist 10. A centrifugal pump running at ( 2950 r.p.m), delivers (0.05 m /s) at a head of (75m). The specific speed based on rotational speed in (r.p.s) is: a:25.88 b:0.43 c:5.78 d:30
Transcribed Image Text:Q2) Choose the most suitable answer: 1. The maximum power transmitted by the jet on a moving flat plate is occurs when: a:u=V/3 b:u=V/2 c:u=V d:u=V/4 2. The angle of deflection between the tangents of the tips of symmetrical vane when the jet shooting the vane at its center is: a: 180 – 0 b:180 + 0 c: 180 – 20 d:180 3. The kinetic energy per unit mass is: a:V /2g b:V /2 c:V /g d:V / P 4. The hydraulic machine which converts the fluid energy to shaft power is known as: a:Pump b:Turbine c:Impeller d:The correct answer is not exist 5. The term impulse turbine refers to: a:Tangential action of jet b:axial action of jet c:Radial action of jet d:Both axial and radial flow action 6. Kaplan turbine working under: a:high head and low discharge b: high rate of discharge and low head c:medium rate of head and discharge d:The correct answer is not exist 7. The tangential velocity for a series of radial curved vanes at the outlet is: a: less than the tangential velocity at inlet c: equal the tangential velocity at inlet b: greater than the tangential velocity at inlet d:The correct answer is not exist 8. The action of jet coming out from an orifice is equal in magnitude with direction to the reaction force. b:opposite c:Normal d:The correct answer is not exist a:same 9. Cavitation in centrifugal pump begins when the pressure at the suction pipe a:rising above the vapor pressure b:falling below the vapor pressure c:equal to the atmospheric pressure d:The correct answer is not exist 10. A centrifugal pump running at ( 2950 r.p.m), delivers (0.05 m /s) at a head of (75m). The specific speed based on rotational speed in (r.p.s) is: a:25.88 b:0.43 c:5.78 d:30
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