Describe the test procedure to determine the vector group
is there any lightning by passer is arranged in ship like
any one please tell taht what type questions will be asked
in BHEL interview, i am having interview on 24th Dec, please
send this to mail email@example.com
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull
out torque will occur. The rotor resistance per phase is 0.3
ohm and motor stalls at 650 rpm. The slip when motor stalls
A 1 B 0
C 13.33% D 10.33%
ii) A shunt motor supplied at 230V, runs at 900 rpm
when the current is 30A. The resistance of the armature is
0.4 ohms. Calculate the resistance required in series with
the armature to reduce the speed to 600 rpm, assuming that
the armature current is then 20A.
What is the difference between UPS & inverter ? which UPS
is better and whos got the edge ?
what is the difference between & inverter ? which UPS is
better and whos got the edge 12 V , 24 V , 36 V etc
what are the advantages of 12 V, 24 V , 36 V etc
and what are the disadvantages of 12 V, 24 V, 36 V etc
what is the current limit of lighting arrester ?
can we make a electric generator,which can not use any type
of fuel,air,solar,gas,thermal,coal,petrol,etc and able to
produce electrical energy (or self electricity generating
What is the basic principal, by which DC voltage level is
increased more than the supplied AC voltage during
conversion. As upto AC level it is contorrled by firing
anlge but after maximum level how is it possible.Please
clear picture. OR we have to supply the higher level AC?
what is difference between cpp electrical system and
refinery electrical system
How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator
what are doing the duall connetion in tree phase 10hp or
etc motor with circuit diagram
What test must you do before powering up a circuit that you
have been working on?
WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?
If we have to find the inductance of a dc shunt motor then by
giving dc supply or ac supply and what is the reason for it.
(this example is from "to determine the transfer function of a
dc shunt motor ")