Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. In any transmission line, which two generalised constants are equal?
a. C and D
b. B and C
c. A and B
d. A and C
e. A and D
Q. The power factor of a 3 phase induction motor near full load is expected to be around
a. 0.8 lagging
b. 0.8 leading
c. 0.5 lagging
d. 0.5 leading
e. 0.1 lagging
Q. If an engine has spark plugs, it can be safely concluded that it is
a. a four stroke engine
b. a air cooled engine
c. a water cooled engine
d. a two stroke engine
e. not a diesel engine
Q. The work of installation and commissioning of power plants in India is generally undertaken by
a. NTPC Ltd.
b. Coal Authority of India
c. Steel Authority of India
d. NHPC Ltd
e. HAL
Q. When the reactive component is small
a. the phase angle will be small and p.f. will be high
b. the phase angle will be large and p.f. will be low
c. the phase angle will be small and p.f. will be unity
d. the phase angle will be large and p.f. will be high
e. the phase angle will be small and p.f. will be leading
Q. In a steam turbine cycle the lowest pressure occurs in
a. Turbine inlet
b. Super-heater
c. Super-heater exit
d. Boiler
e. Condenser
Q. Which of the following is not a high pressure boiler?
a. Loeffler
b. Lancashire coiler
c. Velox boiler
d. La Mont boiler
e. None of the above
Q. TNT
a. thermonuclear thorium
b. total neutron transition
c. thermal neutron treatment
d. trinitrotoluene
e. None of the above
Q. All of the following are heavy metals EXCEPT
a. Mercury
b. Sodium
c. Chromium
d. Cadmium
e. None of the above
Q. The characteristic impedance of transmission line depends upon
a. shape of the conductor
b. surface treatment of the conductor
c. geometrical configuration of the conductor
d. conductivity of the material
e. None of the above
Q. A relay for protective system should have
a. High speed operation
b. High sensitivity
c. Selectivity
d. Reliability
e. All of the above
Q. Beaufort scale is used to measure
a. beta and gamma radiations
b. wind speed
c. insulation
d. depth of sea
e. None of the above
Q. If K be the volume of conductor for two wire dc system, then for the same voltage the volume of conductor for 3 wire dc system for supplying the same load will be
a. 0.25 K
b. 2 K
c. 1.25 K
d. 0.3125 K
e. 5 K
Q. The problem of ash handling does not exist in case of ------ fired boilers.
a. Lignite
b. Pulverised fuel
c. Peat
d. Gas
e. None of the above
Q. One BTU is the amount of energy required to raise the temperature of
a. One gram of water through 1?F
b. One pound of water through 1?F
c. One kilogram of water through ?F
d. One pound of water through 1?C
e. One gram of water through 1?C