Q.1
Constant head curves are also called as _______
  • a) Head race curves
  • b) Tail race curves
  • c) Main characteristic curves
  • d) Impeller curves
Q.2
The speed of the turbine in a constant head curve is varied by __________
  • a) Temperature change
  • b) Reaction speed change
  • c) Changing the gate opening
  • d) Wheel speed change
Q.3
Constant speed curves travel at constant speed when the value is equal to _______
  • a) 0
  • b) 1
  • c) 2
  • d) 3
Q.4
Power of a turbine is measured ______
  • a) Mechanically
  • b) Electrically
  • c) Chemically
  • d) Thermally
Q.5
Which among the following is not a parameter to determine the efficiency of the turbine?
  • a) Unit speed
  • b) Unit power
  • c) Unit volume
  • d) Unit discharge
Q.6
Which among the following is not an important parameter to determine the performance of the turbine?
  • a) Speed
  • b) Discharge
  • c) Head
  • d) Volume of tank
Q.7
Which among the following is not a type of curve?
  • a) Logarithimic curve
  • b) Straight curve
  • c) Pressure vs power
  • d) Efficiency vs speed
Q.8
The inlet passage of water entry is controlled by ________
  • a) Head race
  • b) Gate
  • c) Tail race
  • d) Pump
Q.9
Overall efficiency vs what is drawn to determine the turbine performance?
  • a) Unit Discharge
  • b) Unit speed
  • c) Unit power
  • d) Unit pressure
Q.10
Constant discharge takes place due to _______
  • a) Unit Discharge
  • b) Unit speed
  • c) Unit power
  • d) Unit pressure
Q.11
All the characteristic curves are drawn with respect to __________
  • d) Unit pressure
  • a) Unit Discharge
  • b) Unit speed
  • c) Unit power
Q.12
Constant head curves are also called as _______
  • a) Head race curves
  • b) Tail race curves
  • c) Main characteristic curves
  • d) Impeller curves
Q.13
In constant speed curves, the speed is kept a constant varying its head.
  • a) True
  • b) False
Q.14
In all the characteristic curves, the overall efficiency is aimed at the maximum value.
  • a) True
  • b) False
Q.15
Constant efficiency curves are plotted using _______
  • a) Constant head curves
  • b) Constant speed curves
  • c) Main characteristic curves
  • d) Constant speed and constant head
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