Why are generators rated in kVA not in kW ?
Last Answer : Because It's rating of generator kva is apparent power. Kw is active power which we use. And one is kvar reactive power.
Classify different types of generators.
Last Answer : Different Types of Generators: 1) Separately excited DC generator 2) Self excited DC generator: (i) DC series generator (ii) DC shunt generator (iii) DC Compound generator: short shunt and long shunt / (cumulative or differential)
Which of the following generators is used for DC arc welding application ? (A) Series generator (B) Shunt generator (C) Differential compound generator (D) Over -compound generator
Last Answer : A
What is the other name used for DC generators? A. Dynamos B. Alternator C. Capacitor D. Dynamotor
Last Answer : Dynamos is the other name used for DC generators.
Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by certain constant: A. Phase -angles B. Frequency C. Voltage D. Current
Last Answer : Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by certain constant: Phase -angles
Last Answer : The most appropriate operating speed in rpm of generators used in Thermal, Nuclear and Hydro-power plants would respectively be: 3000, 3000 and 300