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This set of Energy Conversion Multiple Choice Questions & Answers (MCQs) focuses on Energy Conversion Set 19
Q1 | Which of the following public sector unit is engaged in the manufacture of thermal power plants?
- National Thermal Power Corporation Ltd
- Department of science and technology
- Bharat Heavy Electricals Ltd
- Heavy Engineering Corporation Ltd
- Coal India Ltd
Q2 | In a long transmission line, the effect of
- resistance, capacitance and inductance is neglected
- resistance and inductance is taken into account but effect of capacitance is neglected
- capacitance and inductance is taken into account but effect of resistance is neglected
- resistance, capacitance and inductance is taken into account
- resistance and capacitance is taken into account but effect of inductance is neglected
Q3 | Which of the following power plant will give least running cost of the production of electrical power?
- All will have nearly same running cost
- Nuclear power plant
- Gas turbine power plant
- Diesel engine power plant
- Steam power plant
Q4 | In a steam turbine cycle the lowest pressure occurs in
- Super-heater exit
- Boiler
- Condenser
- Super-heater
- Turbine inlet
Q5 | 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
- 2 K
- 5 K
- 1.25 K
- 0.25 K
- 0.3125 K
Q6 | One BTU is the amount of energy required to raise the temperature of
- One gram of water through 1?C
- One pound of water through 1?C
- One gram of water through 1?F
- One pound of water through 1?F
- One kilogram of water through ?F
Q7 | Which of the following material has the best conductivity?
- ACSR
- 5.71
- Cadmium copper
- Copper
- Aluminium
Q8 | The voltage of a 2 wire de system is raised from 200 V to 400 V. For the same power transmitted over the same distance and for the same power loss, the saving in conductor copper will be
- 25%
- 40%
- 50%
- 60%
- 75%
Q9 | The capacity of generators being installed in super-thermal power plant is
- 200 MW
- 400 MW
- 100 MW
- 500 MW
- 220 MW
Q10 | Which of the following power plant can be installed within the shortest possible time?
- Steam power plant
- Diesel engine power plant
- Hydro-electric power plant
- Gas turbine power plant
- Nuclear power plant
Q11 | Which of the following is not the standard rating of GLS lamps in India?
- 50 W
- 60 W
- 40 W
- 100 W
- 25 W
Q12 | Which of the following place is associated with thermal power plants?
- Agra
- Tarapur
- Bhakra
- Obra
- DVC
Q13 | In a medium transmission line the effect of
- resistance and inductance is negligible but effect of capacitance is taken into account
- capacitance is negligible
- resistance, capacitance and inductance is taken into account
- resistance is negligible
- inductance is negligible
Q14 | The calorific value of natural gas is expected to be around
- 2000 kcal/m3
- 1500 kcal/m3
- 25000 kcal/m3
- 500 kcal/m3
- 2500 kcal/m3
Q15 | The name DVC is associated with which type of power generation?
- Nuclear
- Hydro-electric
- Thermal
- Gas turbine
- Diesel engine
Q16 | Which of the following gas is sometimes filled in filament lamps?
- Argon
- Ozone
- Helium
- Hydrogen
- Oxygen
Q17 | The heating value of coal largely depends on
- Volatile matter
- Carbon content
- Size of coal particles
- Moisture content
- Sulphur content
Q18 | Pulverised coal is
- Coal free from as content
- Coal which burns for long time
- Coal free from sulphur
- Coal broken into fine pieces
- Non-smoking coal
Q19 | The calorific value of diesel oil is expected to be around
- 1000 kcal/kg
- 16000 kcal/kg
- 21000 kcal/kg
- 11000 kcal/kg
- 5000 kcal/kg
Q20 | The highest voltage at which the power is transmitted in India is
- 400 kV
- 66 kV
- 33 kV
- 220 kV
- 132 kV
Q21 | In any transmission line, which two generalised constants are equal?
- C and D
- B and C
- A and B
- A and C
- A and D
Q22 | The power factor of a 3 phase induction motor near full load is expected to be around
- 0.8 lagging
- 0.8 leading
- 0.5 lagging
- 0.5 leading
- 0.1 lagging
Q23 | If an engine has spark plugs, it can be safely concluded that it is
- a four stroke engine
- a air cooled engine
- a water cooled engine
- a two stroke engine
- not a diesel engine
Q24 | The work of installation and commissioning of power plants in India is generally undertaken by
- NTPC Ltd.
- Coal Authority of India
- Steel Authority of India
- NHPC Ltd
- HAL
Q25 | When the reactive component is small
- the phase angle will be small and p.f. will be high
- the phase angle will be large and p.f. will be low
- the phase angle will be small and p.f. will be unity
- the phase angle will be large and p.f. will be high
- the phase angle will be small and p.f. will be leading