Power Maintenance INDICATE TRUE OR FALSE TO THE FOLLOWING

1 Answer

Answer :

1) MCB is used in circuits for Overload protection. True or False
Ans True
2) We can improve the earth resistance by packing common salt charcoal & water. (True or
False)
Ans True
3) Silica gel used in breathers to absorbs moisture (Ture or false) (True or False)
Ans True
4) Three phase motor is an example of balanced 3o load. (True or False)
Ans True
5) The voltage of 11 KV supply is 11000V
Ans true
6) A ceiling fan shall be hung at a height not less than 3M from the floor. (True or false)
Ans) True
7) Cells are connected in parallel to Increase the current capacity carrying (True or false)
Ans) True
8) Co2 type fire extinguisher is not used for Electrical fires. (True or false)
Ans) false
9) DCP type of fire extinguisher used for electrical fire. (True or false)
Ans True
10) What is IOD? INJURED ON DUTY (True or false)
Ans True
11) For maintaining power supply quality the rate of change of frequency should not
exceed.1HZ/Sec.(True or false)
Ans False
12) RUBBER HAND GLOVES are to be used while operating isolator handle in substations. (True or false)
Ans True
13) If a man touches a live wire, he gets SHOCK. /electrocuted. (True or false)
Ans True
14) The width of alternator pulley of 4.5 KW 110V is 140mm. (True or false)
Ans False
15) Shorting of power diode test to be conducted at full load. (True or false)
Ans True

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