Test: Power Systems - 6 - Electrical Engineering (EE) MCQ

Ring main system

Tree system

Radial system

All are equally reliable

ohmmeter

earth tester

meggar.

any of these

fossile fuels, water and radioactive substances

solar, wind , biomass

wood, animal wastes and agricultural wastes

none of the above

125, 000 MW

175, 000 MW

200, 000 MW

50, 000 MW

Steam power plants

hydroelectric power plants

nuclear power plants

diesel power plants

type of dam, type of catchment area and discharge.

type of dam, head and system efficiency

discharge, head and system efficiency.

type of turbine, type of dam and type of catchment area

75 ´ 0.736wQhh

desert areas

hilly area

swamps

grasslands

Operating cost is low and initial cost is high.

operating cost is high and initial cost is low.

both operating cost as well initial cost are high.

both operating cost as well as initial cost are low.

low operating cost

they can be started and loaded very quickly.

they can be used as base load and peak load plants as well

all the above

3150 MW

1500 MW

1960 MW

9010 MW

total power available at the site

total units of energy available.

load-factor at the plant

diversity factor for the plant.

Spillways

Forebay

Reservoir

Penstock

2 m/s

4 m/s

7 m/s

10 m/s

It supports the dam

It supports the penstock

It divert the Icebergs from flowing into the penstock

To hold the turbine structure

Supply water at constant pressure.

relieve water hammer pressures in the penstock pipe

produce surge in the pipeline

none of the above

surge tank

penstock

turbine casting

draft tube

Pelton

Kaplan

Francis

None of the above

Kaplan

Francis

Pelton

Impeller

the increasing order

the decreasing order

neither increasing nor decreasing order

None of these

is most suited for low head and high discharge power plants

operates by intial complete conversio to kinetic energy.

makes use of a draft tube.

always operates submerged

16 – 24

8 – 10

6 – 8

3 – 6

70 m

100 m

125 m

None of these

does not exist at all

exists is Rajasthan alone

exists in Kadampurai

exists in Haryana

during the peak hours.

during the off-peak hours

system base load

None of these