Corona Effect is best defined as: The tendency of alternating current to concentrate near the surface of a conductor The phenomenon of violet glow, hissing noise, and production of ozone gas The increase in voltage at the receiving end None of these Correct answer: 2. The phenomenon of violet glow, hissing noise, and production of … Read more
Skin effect in DC transmission lines is: Smaller than AC Equal to AC Dependent on potential Zero Correct answer: 4. Zero The skin effect in DC transmission lines is zero.
Electrical appliances are connected in parallel because: The parallel connection has reduced power losses Parallel connection results in the more efficient operation of appliances Appliance operation is independent of each other None of these Correct answer: 3. Appliance operation is independent of each other Appliance connections in parallel has their operations independent of each other. … Read more
Electrical appliances are connected in which configuration: Series Parallel Both of these None of these Correct answer: 2. Parallel Electrical appliances are often connected in parallel because it makes the operation of appliances independent of each other.
Large size Nuclear Power Plants are recommended for: Base loads Peak loads Both of these None of these Correct answer: 1. Base loads Large size Nuclear Power Plants are recommended for base loads
The Power Plant which requires minimum time in starting from cold condition to full-load condition: Steam power plant Gas power plant Hydro-electric power plant Nuclear power plant Correct answer: 3. Hydro-electric power plant The hydroelectric power plant doesn’t require a long time for putting in service. It can be instantly put on service.
In Interconnected Grid Systems, More Efficient Power Plants are used to supply: Base load Peak load Both of these None of these Correct answer: 1. Base load In interconnected grids, the more efficient power plants are used to supply base loads. Since a baseload plant serves throughout the whole day, more efficient plants are recommended … Read more
Cost of fuel transportation is minimum in which type of Power Plant: Nuclear power plant Hydroelectric power plant Coal power plant Diesel power plant Correct answer: 2. Hydroelectric power plant Explanation: A hydroelectric power plant has a minimum cost of fuel transportation.
The average demand of a Nuclear Power Plant which generates 70*106 kWh is: 5886 kW 7990 kW 9293 kW 10000 kW Correct answer: 2. 7990 kW Explanation: Average demand = Units generated in time / Time in hours Average demand = 70*106 / 8760 = 7990 kW Where 8760 are number of hours in year
The value of the Demand Factor is generally: Less than 1 Equal to 1 More than 1 None of these Correct answer: The value of the Demand Factor is less than 1. The demand factor is mathematically defined as the ratio of maximum demand and connected load. Demand Factor = Maximum demand/Connected Since the maximum … Read more