A Mho relay is a Directional restrained over current relay Voltage controlled over current relay Directional restrained over voltage relay Voltage restrained directional relay TRUE ANSWER : ? YOUR ANSWER : ?
Different computers are connected to a LAN by a cable and a Telephone line Modem Interface card Special wires TRUE ANSWER : ? YOUR ANSWER : ?
Under operating conditions, the secondary of a current transformer is always short ciruited because It avoids core saturation and high voltage induction It is safe to human beings It protects the primary ciruits It protects the secondary ciruits TRUE ANSWER : ? YOUR ANSWER : ?
The picture on the monitor of a computer is made up of tiny coloured dots called Spots Points Pixels Icons TRUE ANSWER : ? YOUR ANSWER : ?
The purpose of providing a choke in a tube light is To improve the power factor To eliminate corona effect To limit the current to an appropriate value To avoid radio interference TRUE ANSWER : ? YOUR ANSWER : ?
If the percentage reactance of the system upto the point of fault is 20% and the base kVA is 10,000 the short ciruit kVA is 10 MVA 20 MVA 60 MVA 50 MVA TRUE ANSWER : ? YOUR ANSWER : ?
Distribution transformers have good all day efficiency due to Low voltage Low iron loss Low copper as well as iron loss Low copper loss TRUE ANSWER : ? YOUR ANSWER : ?
If a 5 A fuse is blown frequently in a house lighting circuit, it is required to Reduce the load Insert a fuse of higher voltage rating Insert a fuse of higher current rating Check the load TRUE ANSWER : ? YOUR ANSWER : ?
Which motor is used to start heavy loads? Shunt motor Differentially compounded motor Cumulatively compounded motor Series motor TRUE ANSWER : ? YOUR ANSWER : ?
The mutual inductance between two unity coupled coils of 9 H and 4 H is 13 H 6 H 2.2 H 36 H TRUE ANSWER : ? YOUR ANSWER : ?