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
What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?
why transmission is only 3 phase and not 2 or 4 or poly phases
How much inductance or resistance require as a starter in series with induction motor of specific capacity(e.g. 5 hp) ? What is formula for it ?
What is mean by hot and cold loop testing?
how power is generated,and transmitted to our home..pls explain briefly in simple words.
What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer
What is shunt voltage and u v voltage witch one best
We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.
why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?
what reactive how to maintain
how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?
I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.
Explain what cmos is and its benefits?
ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?
On what cycle does thermal power plant operate?