Description : 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.
Description : 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)
Description : 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
Description : 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.
Description : 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
Description : Which of the following precautions should you take when securing propulsion generators and motors for an extended period of time? A. Disconnect the brush pigtails from their contacts and circulate air ... Lift the brushes from commutator collector rings and circulate cool dry air through the units.
Last Answer : Answer: C