The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is
waV/2g × sinθ
waV/g × sinθ
waV²/2g × sin2θ
waV²/g × sinθ
- In a Francis turbine runner, the numbers of blades are generally between
- The runaway speed of a hydraulic turbine is the speed
- The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared…
- A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction…
- The number of buckets on the periphery of a Pelton wheel is given by
- In order to avoid cavitation in centrifugal pumps
- Kinematic similarity is said to exist between the model and the prototype, if both of them
- The power developed by a turbine is (where H = Head of water under which the turbine is working)
- The speed ratio in case of Francis turbine varies from
- Which of the following pump is successfully used for lifting water to the boilers?
- The specific speed of a hydraulic turbine depends upon
- Pressure intensifier increases the pressure in proportion to
- In a centrifugal pump casing, the flow of water leaving the impeller, is
- The maximum number of jets generally employed in impulse turbine without jet interference is
- Which of the following hydraulic unit is used for transmitting increased or decreased torque to the…
- An impulse turbine is used for
- In an outward flow reaction turbine
- Runaway speed of a hydraulic turbine is
- The specific speed of a turbine is given by the equation
- When a piping system is made up primarily of friction head and very little of vertical lift, then pump…
- If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring…
- The speed of a turbine runner is
- In centrifugal pumps, maximum efficiency is obtained when the blades are
- Which place in hydraulic turbine is most susceptible for cavitations?
- By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently…
- A hydraulic coupling belongs to the category of
- Discharge of a centrifugal pump is
- Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between
- In a centrifugal pump casing, the flow of water leaving the
- The Thomson's turbine is __________ reaction turbine.