The net head under which the turbine reaches its peak efficiency at synchronous speed is called

Related MCQs

• The net speed under which the turbine reaches its peak efficiency is called
• The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be
• The ratio of the head recovered to the head put in an outlet, is called
• The efficiency is a measure of conservation of head by an outlet.
• The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.)
• When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the under side of the supporting structure, the structure provided is super-passage.
• A hydroelectric scheme operating under a head of 80 m will be classified as
• The crest of the under-sluices should be lower than the crest of the head regulator (if silt excluder is provided by at least
• The loss of head per unit length of creep is called
• The ratio of the hed recovered to the head put in an outlet, is called