plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in
Bhel,
1914In Transmission System if the potential difference at the two end of line are same then is the transmission of power will continue ? if yes then how.
IOCL,
1 1587WHAT WILL HAPPEN IF WE START A MOTOR WITH STAR & IT IS RUNNING WITH STAR CONNECTION INSTEAD OF DELTA
3 6212What will be the excat cable specification in Sq MM...please find the details below.... Induction Motor HP:55 Amps:70(starting Amps),45(Running Amps). Volts:415
1 5360How we calculate the current carriying capacity of the different sizes of Aluminium busbar ?
3 12285if the supply voltage increased by N times, the x-section of conductor will be.........
APGenco, Electrical Tech, Ericsson, IES, Thirumalai Chemicals,
2 5262Post New Electrical Engineering Questions
State ohm’s law?
Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere
can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?
Why saturation region slowly shifted in the left side?
1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?
who many types of fire explane with exmple
What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?
What is a parabolic signal?
how does ELR works? explain
When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<
In parallel operation time both NGR’s close or not close if both close what will happen
What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.
Differentiate between kirchhoff’s first law and kirchhoff’s second law?
Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.
if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.
