1. alternator has full load regulation of 4% when pf of the
load is 0.8 lag, 1500 rpm. full load regulation of 1400 rpm
for 0.8lag will be ________ ??
2. torque angle of a sync m/c operating from a constt
voltage bus is usually defined as space angle between _______ .
3. method most effective in finding out no load losses in
large DC shunt motoris ______ .
4. current carrying capacity of fuse material depends on
______ .
5. coil has res. 10 ohm, inductance 1H. what wil be current
after 0.1sec after switching on to a 500V DC SUPPL ? ?
6. effect of phase lag compensation on servo systems
___________ .
7. rotor of a dc machine is usually supported upon ______ .
8. DC motor is preferred to AC motor in which application ??
9. 3 nos of 10:1 Xmer are connected in Star-Delta to supply
a load at 230V.the supply voltage must be ______ .
10. voltage source produces max current in which circuit.
11. cal. power, if current and voltage are out of phase by
90 degree.
12. suitable length of Xmission line of power at 66 KV.
13. Which of the theorm helps in simple computation when the
load across a ckt is varying ??
14. what is the adopted line length for power Xmission of
power by cables ??
Answer Posted / rajnikanth
answer for fifth one is 315.49v
| Is This Answer Correct ? | 0 Yes | 3 No |
Post New Answer View All Answers
why don't we use the generator as a motor? and what will happen?
what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?
why do we carry out winding resistance test?
STATE USE OF ARC RUNNERS & SPLITTERS ?
difference between servo motor and synchronous motor
what is the difference between dry and wet type of 132kV terminations. which one is durable
Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.
What is mean by hot and cold loop testing?
how does ELR works? explain
What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?
how to calculate the loss tangent of electrical cables
plz send me the procedure and syllabus for mseb exam
What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.
what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?
What is the range of the stator resistance of 3 phase induction motor?