1. In a Power Plant a reserve generating capacity which is in operation but not in service, is known as: A) Hot reserve   B) Cold reserve C) Spinning reserve   D) Firm power Ans:- A 2. Which Lightening stroke is most dangerous: A) Direct stroke on tower top B)Direct stroke on ground wire C)Direct stroke on line conductor D)Indirect stroke on conductor Ans:- C 3. Transmission efficiency increases as: A)Voltage and Power factor both increase B)Voltage and Power factor both decrease C)Voltage increase but power factor decrease D)Voltage decrease but power factor increase Ans:- A 4.When Alternating Current passes through a conductor: A) It remains uniformly distributed throughout the section of conductor B) Portion of conductor near the surface carries more current as compared to the core C) Portion of conductor near the surface carries less current as compared to the core D)Entire current passes through the core of the conductor Ans:- B 5. The effective resistanc...