a) Speed of prime mover b) Excitation c) Load d) Number of poles Ans: (a)
a) Higher of water level in river where tail race is located b) Height of water level in reservoir behind the dam c) Difference of two d) Water level in penstock Ans: (c)
a) Stationary field type b) Cylindrical rotor type c) Salient pole type d) None of these Ans: (b)
a) Generator efficiency b) Boiler efficiency c) Efficiency of steam turbine and condenser d) None of these Ans: (c)
a) Reduce the back pressure at the turbine exhaust b) Increase the back pressure at the turbine exhaust c) To make the back pressure zero d) None of these Ans: (a)
a) Voltage load curve b) Speed load curve c) Speed load and voltage load curves respectively d) Voltage load and speed load curves respectively Ans: (d)
a) Low capital cost and low running cost b) High capital cost and high running cost c) Low capital cost and high running cost d) Low capital cost and low running cost Ans: (c)
a) Maximum load consumed per year b) Maximum load consumed any particular time c) Continuous rating of load-consuming apparatus connected d) None of these Ans: (c)
a) Low capital cost and low running cost b) Low capital cost and high running cost c) High capital cost and high running cost d) High capital cost and low running cost Ans: (d)
a) Available for use but is not in service b) Available for service but is not in use c) Always available d) Connected to the bus and ready to take load Ans: (b)