where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer
why does rotor rotets?
hai iam arunkumar. i have applied for an section enginner
in rrb. i want lat 5 years solved question papers. if u
have please sedn it to firstname.lastname@example.org
solar energy light efficiency & disadvantages?
in ct secondary one terminal is connected to earth why?
why star point of HT motor not earthed?
We have 5 Distribution sections with variable loads&We have
3 Gensets(500kva,380kva&250kva) our total load is between
400kva to 600kva. so how could we connect 3gensets.
How to select earthing strip for 100kw induction motor ?
1)what is the function of a frequency inverter?
2)If a few frequency inverter are connected onto a device
network,what are the two setting that will ensure the
frequency inverter work properly on the network.
3)whats is the name of the input sensor for weigher?
4)How to confirm that the load cellis faulty?
5)Describe briefly the steps to validate that the weigher is
6)Describe the procedure to validate the flowmeter accuracy?
7)Describe briefly the steps to validate that the tempreture
sensor/transformer is working properly.
8)what is the adjustment that need to be done when you are
calibrating the temperature transmitter ?
9)what are the safety measures to be taken before
disconnecting motor for rewinding.
10)whats is the synchronous speed in rpm of typical 4pole
11)whats is the formula for kw, ohm's law
12)if a 3phase motor is rated 3kw,415vac,what is it's rated
what will happens if one phase is missing for 33/11kv power
transfomer and why?
While performing stability test of differintial cts how to
know the voltage and current on both side of the
can we run AC & DC cables in same tray
what is the formula for calculating the phase clerance
between two phases and phase to earth how to calculate the
cable for a motor
how to select the double earth conductor if 21A full load?
What is Primary And Secondary Injection Test of Relay and
Other Electrical Devices. How IT is carried out.