Electric Energy Generation Utilization And Conservation Set 4
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This set of Electric Energy Generation Utilization and Conservation Multiple Choice Questions & Answers (MCQs) focuses on Electric Energy Generation Utilization And Conservation Set 4
Q1 | Which of the following decreases within turn decreases the charging rate?
- temperature
- pressure
- enthalpy
- entropy
Q2 | Which of the following causes the corrosion of terminals and clamps?
- spilled electrolyte
- increase in temperature
- decrease in pressure
- due to high current
Q3 | Grounding transformer is used where neutral .........available
- is
- is not
- either a or b
- . none of the above
Q4 | In equipment grounding, the enclosure is connected to ...........wire
- ground
- neutral
- phase
- either a or b
Q5 | Earthing is necessary to give protection against
- danger of electric shock
- voltage fluctuation
- overloading
- high temperature of the conductors
Q6 | In case of earth fault, the underground neutral system lead to arcing ground
- does
- does not
- any of above
- none of above
Q7 | The advantage of neutral earthing
- safety of personnel
- reduction of earth fault current
- elimination of arcing ground
- none of the above
Q8 | In a substation the equipment used to limit short circuit current level is
- series reactor
- coupling capacitor
- lightening switch
- isolator.
Q9 | In a star connected system without neutral grounding, zero sequence currents are
- zero
- phaser sum of phase currents
- same as rms value of phase currents
- same as peak value of phase currents
Q10 | Grounding transformer is used where neutral available
- is
- is not
- any of above
- none of above
Q11 | Ground resistance value for sensitive installations is
- less than 5 Ω
- more than 5 Ω
- equal to 50 Ω
- any of above