Question Paper Electrical Engineering
1. What is the name of the instrument used to measure the specific densty of a battery :
(1) Pyrometer
(2) Hydrometer
(3) Lactometer
4) Fuel gauge
Ans (2)
2. The material used for coating the electrode is called -
(1) Protective layer
(2) binder
(3) slag
(4) flux
Ans (4)
3. Which of the following processes essentially needs direct current ?
(1) Welding
(2) Heating
(3) Refrigeration
(4) Electroplating
Ans (4)
4. The Fill Factor of a sillcon solar cell is approximately
(1) 1
(2) 0.7
(3) 0.5
(4) 0.
Ans (2)
5. In the process of refining of metals, the impure metal is made as
(1) Cathode
(2) Anode
(3) Electrolyte
(4) None of the above
Ans (2)
6. Load cell essentially is a
(1) Thermistor
(2) Strain gauge
(3) Photo-voltaic cell
(4)None of these
Ans (2)
7. Which of the following primary cells has the lowest voltage ?
(1)Lithium
(2) Zinc-chloride
(3) Mercury
(4)Carbon-zinc
Ans (3)
8. The maximum demand of a consumer is 2 kW and his daily energy consumption is 24 units. His load factor is _________%
(1) 24
(2)41.6
(3) 50
(4) 80.
Ans (3)
9. If F is the load factor, the loss load factor is given by :
(1) 0.24 F2 + 0.85 F
(2) 0.75 F + 0.20 F2
(3) 0.35 F + 0.7 F2
(4) 0.25 F + 0.75 F2
Ans (4)
10. In a system , if the base load is the same as the maximum demand , the load factor will be
(1) 1.0
(2) 0.5
(3) zero
(4) infinity
Ans (1)
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