Electrical Engg. By Ashish sir

The advantage of hydro electric power station over thermal power station is

What is the approximate efficiency of a normal thermal power station ? a) 30-40% b) 45-55% c) 20-25% d) 60-70%

Tidal power plant is a example of which of the following plant ? a) Base load plant b) Peak load plant c) Either 1 or 2 d) Non of the above

stock bridge dampers are used in case hill areas to over come the which problem ? a) Unequal ice loading b) Increase string efficiency c) Increase power factor d) All of the above

Which of the following is considered as superior Quality of coal ? a) Bituminous coal b) Peat c) lignite d) coke

pulversed coal is a) Coal free from ash b) Non smoking coal c) Coal which bums for long time d) Coal broken into fine particles

. In thermal power stations, economiser will a) Increase the thermal efficiency b) Reduce the thermal efficiency c) Reduce the Heat d) both 2 and 3

for which one of the following types of motors, is the equal area criterion for stability applicable? a) Three phase synchronous motor b) Three phase induction motor c) DC series motor d) DC shunt motor

Which of the following statement is/are true regarding infinite line ? a) It has infinite length b) It has infinite voltage c) It maintains the constant voltage d) Both 2 and 3

More efficient plants are used as a) Base load plant b) Peak load plant c) Both 1 and 2 d) Non of the above

.Major share of power produced in India is through a) Thermal plant b) Hydro plant c) Nuclear plant d) Diesel plant

For variable heads of near about but less then 30 meters, which type of turbine is used in hydro power station ? a) Pelton b) Kaplan c) Francis d) Non of the above

everyone ready guy's 6:00pm upsc/pcs bot quiz by arvind kashyap sir

Do you want explanation in quiz if you choose wrong answer ?

․ In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines?