Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. Out of the following system of distribution, which system offers the best economy?
a. Direct current system
b. AC single phase system
c. AC 3 phase 3 wire system
d. AC 3 phase 4 wire system
e. None of the above
Q. Guard ring transmission line
a. improves power factor
b. reduces earth capacitance of the lowest unit
c. reduces transmission losses
d. improves regulation
e. None of the above
Q. If the capacitance between two conductors of a 3 phse line is 4
a. 2
b. 4
c. 8
d. 12
e. All of the above
Q. The calorific value of lignite is expected to be around
a. 10,000 kcal/kg
b. 5000 kcal/kg
c. 1000 kcal/kg
d. 1500 kcal/kg
e. 2500 kcal/kg
Q. Metals approach superconductivity condition
a. at high temperatures
b. at melting point
c. near 0?C
d. near absolute zero
e. None of the above
Q. Diesel locomotives in India are manufactured at
a. Varanasi
b. Ajmer
c. Parambur
d. Chitranjan
e. Bangalore
Q. Low utilization factor for a power plant indicates that
a. plant is under maintendance
b. plant is used for base load only
c. plant is used for standby purpose only
d. plant is used for peak load as well as base load
e. None of the above
Q. Which relay is used on transmission lines?
a. Thermal relay
b. Buchholz relay
c. MHO relay
d. Reactance relay
e. None of the above
Q. Which distribution system is more reliable?
a. Ring main system
b. Tree system
c. Radial system
d. All are equally reliable
e. None of the above
Q. All of the following places are associated with oil refineries EXCEPT
a. Mathura
b. Kanpur
c. Bombay
d. Koyali
e. None of the above
Q. When the power is to be transmitted over a distance of 580 km, the transmission voltage should be in the range
a. 33 kV - 66 kV
b. 66 kV - 100 kV
c. 110 kV - 150 kV
d. 150 kV - 200 kV
e. None of the above
Q. Geothermal energy is
a. a renewable energy source
b. an alternative energy source
c. an inexhaustible energy source
d. any of the above
e. None of the above
Q. In a power plant, if the system voltage is dropped by 10 percent, the load will drop by about
a. 1 percent
b. 5 percent
c. 10 percent
d. 20 percent
e. None of the above
Q. A micro hydel project has
a. low head availability
b. low power potential
c. low discharge
d. All of the above
e. None of the above
Q. Which of the following needs to be filtered in a diesel engine?
a. Air and diesel oil only
b. Air only
c. Lubrecating oil only
d. Air, diesel oil and lubricating
e. Diesel oil only