Related Questions

The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which
A Delivers unit discharge under unit head
B Delivers unit discharge under unit speed
C Develops unit power under unit head
D Develops unit power under unit speed
The runaway speed of a hydraulic turbine is the speed
A At full load
B At which there will be no damage to the runner
C Corresponding to maximum overload permissible
D At which the turbine will run freely without load
Specific speed of a centrifugal pump depends upon the __________ head.
A Suction
B Delivery
C Manometric
D None of these
The work ratio of simple gas turbine cycle depends upon
A Maximum cycle temperature
B Minimum cycle temperature
C Pressure ratio
D All of these
Runaway speed of a hydraulic turbine is
A Full load speed
B The speed at which turbine runner will be damaged
C The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open
D The speed corresponding to maximum overload permissible
The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will
A Increase first at fast rate and then slow
B Increase first at slow rate and then fast
C Decrease continuously
D First increase, reach maximum and then decrease
The specific speed of turbine is defined as the speed of a unit
A Of such a size that it delivers unit discharge at unit head
B Of such a size that it delivers unit discharge at unit power
C Of such a size that it requires unit power per unit head
D Of such a size that it produces unit horse power with unit head
The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to
A Half the depth
B Half the breadth
C Twice the depth
D Twice the breadth
The hydraulic mean depth or the hydraulic radius is the ratio of
A Area of flow and wetted perimeter
B Wetted perimeter and diameter of pipe
C Velocity of flow and area of flow
D None of these
The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as
A Normal speed
B Unit speed
C Specific speed
D None of these

Next steps