Thursday 13 May 2021

Power system MCQ

Q 1 . In Power station practice "spinning reverse" is 
(a) Reverse generating capacity that is in operation but not in service. 
(b) Reverse generating capacity that is connected to bus and ready to take a load✔️
(c) Reverse generating capacity that is available for service but not in operation .
(d) Capacity of the part of the plant that remain under maintanence .

Q 2. Which plant can never have 100%load factor?
(a) Nuclear Power plant .
(b) Hydroelectric plant
(c) Peak load plant ✔️
(d) Base load plant

Q 3. The function of steel wire in a ASCR conductor is 
(a) To take care of surge 
(b) To prevent corona 
(c) To reduce inductance and hence improve power factor 
(d) To provide additional mechanical strength.✔️

Q 4. Steepness of the traveling waves is attenuated by
(a) Resistance of the line ✔️
(b) Inductance of the lin 
(c) Capacitance of the line
(d) All of above 

Q 5. A 30km transmission line carrying power at 33kv is known as 
(a) Short transmission line ✔️
(b) Long transmission line 
(c) High power line
(d) Ultra High power line

Q 6. Ferranti effect on transmission line is a phenomenon which represents
(a) Rise in recieving end voltage on laging load
(b) Rise in recieving end voltage on loading load
(c) Load impedance equal to surge impedance 
(d) Rise in recieving end voltage on no load ✔️

Power system MCQ

Q 1 . In Power station practice "spinning reverse" is  (a) Reverse generating capacity that is in operation but not in...