Mechanical Engineering :: Hydraulic Machines
-
The undershot water wheels are those in which
-
A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used ?
-
Which of the following pump is suitable for small discharge and high heads?
-
The gross or total head of the turbine is the __________ of the water levels at the head race and tail race.
-
The specific speed of a centrifugal pump may be defined as the speed of an imaginary pump, identical with the given pump, which will discharge one litre of water, while it is being raised through a head of one metre.
-
In an outward flow reaction turbine
-
A hydraulic press is a device used
-
The flow ratio in case of Francis turbine varies from
-
Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?
Whatsapp
Facebook
|
A.
the water flows parallel to the axis of the wheel
|
|
B.
the water enters at the centre of the wheel and then flows towards the outer periphery of the wheel
|
|
C.
the water enters the wheel at the outer periphery and then flows towards the centre of the wheel
|
|
D.
the flow of water is partly radial and partly axial
|
