Darrieus type windmill______________?
A.requires less surface area as compared to Savonius type windmill
B.has two or three blades shaped like aerofoils
C.runs independently of the direction of the wind
D.all of the above
A.requires less surface area as compared to Savonius type windmill
B.has two or three blades shaped like aerofoils
C.runs independently of the direction of the wind
D.all of the above
A. Is a function of the temperature limits
B. Can vary from zero to infinite
C. Both Aand B
D. Neither a nor b
A.Darrieus type
B.Sail type
C.Propeller type
D.Multiblade type
A.300 to 400 rpm
B.60 to 80 rpm
C.200 220 rpm
D.180 to 190 rpm
A.temperature
B.pressure
C.volume
D.entropy
A.0
B.1
C.2
D.3
A.Latitude angle
B.Hour angle
C.Solar zenith angle
D.Solar altitude angle
A.the rate of input is zero
B.the rate of the generation is zero
C.the rate of consumption is zero
D.the rate of accumulation is zero