ECET EEE 2011-3

1. Economisers in thermal power station are used to heat

A. Air
B. Gas
C. Feed water
D. steam

Answer : Feed water
Explanation:-

2. Of all the power plants, minimum quantity of fuel is required in

A. Thermal power plant
B. Hydro electric power plant
C. Diesel power plant
D. Nuclear power plant

Answer : Nuclear power plant
Explanation:-

3. Load factor is given by the ratio of

A. Average load to maximum demand
B. Average load to connected load
C. connected load to maximum demand
D. maximum demand to average load

Answer : Average load to maximum demand
Explanation:-

4. Area covered by the load duration curve is equal to the

A. Power generated
B. energy generated
C. Average load
D. maximum demand

Answer : energy generated
Explanation:-

5. The ideal Tariff for any type of consumer is

A. Flat rate Tariff
B. Block rate Tariff
C. Two part Tariff
D. Three part Tariff

Answer : Block rate Tariff
Explanation:-

6. Power factor can be improved by installing such a device in parallel with load which takes

A. Leading reactive power
B. Lagging reactive power
C. Leading active power
D. Lagging active power

Answer : Lagging reactive power
Explanation:-

7. In an interconnected grid system, the diversity factor of the whole system

A. Increases
B. Decreases
C. Remains unaltered
D. Reaches to a dangerous level

Answer : Increases
Explanation:-

8. Which portion of the transmission system is pron to faults

A. Alternator
B. Transformer
C. Over head lines
D. Under ground tables

Answer : Over head lines
Explanation:-

9. A fuse is normally a

A. power limiting device
B. voltage limiting device
C. current limiting device
D. power factor corecting device

Answer : current limiting device
Explanation:-

10. Buchholz relay is used for the protectio of

A. bus-bar
B. Transmission line
C. Generator
D. Transformer

Answer : Transformer
Explanation:-