A) Nuclear power plant B) Peak load plant C) Hydro electric plant D) Base load plant. Ans : (B)
A) Voltmeter B) Ammeter C) kWh meter D) kVA meter. Ans : (C)
A) Air conditioner B) Arc furnace C) Air compressor running continuously D) Cold storage plant. Ans : (B)
A) 5000 kWh B) 4000 kWh C) 6000 kWh. Ans : (C)
A) increased water supply B) vacations in institutions C) increased business activity D) increased use of fans air conditioners. Ans : (D)
A) power factor of the equipment was 0.8 B) the equipment was drawing reactive power only C) the maximum demand of the consumer was 10 kW D) the load factor of the consumer for the day was unity. Ans : (A)
A) zero B) 1 C) Infinity D) 1 percent. Ans : (B)
A) Over loaded cables B) Improved illumination from lighting C) Reduced voltage level D) Over loaded transformer. Ans : (B)
A) Partially loaded induction motors B) Use of rectifiers instead of synchronous motor-generator sets for dc power supply C) Replacement of fluorescent lamps with incandescent lamps D) Partially loaded induction motors. Ans : (C)
A) Varying loads B) Low voltage generation C) Low turbine speeds D) Non-automatic controls. Ans : (A)