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Answer Posted / chetan
always boiler rating specificy in ton per hour.
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upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.
How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
what is the meaning of the symbol << >> put in transformer drawing
why voltage form factor of PT are increase , when it is ecpected heigher spikes in system. how it is calculated.
IN dc capacitive reactance is??
If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive
relation between power station capacity and voltage level?
If o/p power is doubled by how much does the sound increase
How to calculate the phase to phase clearness of HT /// LT bus bar?????
Where can I get Iidian straderd specifications for electrical items or works in web? please help me.
What are the conditions for sustained oscillator or what is backhouse criterion?
For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?
what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?
What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?
