what are the protection for DG set and why?
Answers were Sorted based on User's Feedback
Answer / ramachandran_pb
over current protection
earth fault protection
| Is This Answer Correct ? | 8 Yes | 4 No |
Answer / vipin joshi
1.. low lube oil pressure (2.5 to 7.5 kg/cm square)
2..high coolant water temperature (95 Celsius)
3.. low coolant level 80 %
4.. overspeed (1480 to 1580)
| Is This Answer Correct ? | 1 Yes | 0 No |
advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor
What are the safeties in elevators?what is the use of governor in elevator?
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
Essential condition for parallel operation of two single phase transformer is that they should have same A polarity B kVA rating C voltage ratio D % impedance
if voltage bt phase & nutral is 38v in a panel board . whats the root cause.
1kva=how many kw & amps
sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com
why in isolation transformer we dont get any shok?
why we are using KVA rating for transformer,not KWh rating?
If 24 KVA AVR having Input voltage 200-400v, Output voltage 415+-1%, what will be the voltage if Load is 13A.
What is Bolted fault?
What is sinusodial & non sinsodial current
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)