1) what do you mean by rolling margin of steel ?
2)pls. tell the cut length formula of stirrups as per IS
codes(take out cut length for a beam of 600*300mm with 40mm
cover all sides)?
3)what is the multiplying factor of painting for sand faced
4)if your footing is of size1.9*1.6m . what quantity of
length and width you will excavate means what extra
margins you will allow as per IS codes in billing?
WE know that for Inductor X=2pifL,In DC f=0,then X=0
so,V=IX=0;But In the DC excitation of rotor of AC
generator,DC motor field coil which coils are inductor so
why does not applying DC voltage short the rotor coil of AC
generator and field coil of motor?If it would then DC source
might be damaged but it is not happened.
Why does the strand conductor of Electrical power
transmission line make twist?
Q.1:What protection will be used on HT and LT side of 33/0.4
KV, MVA transformer. Indicate capacities of protective
device to be used.
Q.2:Which types of back-up protections are used in the power
transformers? What do you understand by the term over travel
in the relay?
Q.3:How star and delta connected winding transformer are
provided from earth fault