If a cable of homogeneous insulation has maximum stress of 6 kV/mm, then the dielectric strength of insulation should be ____ 6 kv/mm 3 kV/mm 1.5 kV/mm 12 kV/mm TRUE ANSWER : ? YOUR ANSWER : ?
The complex power injections at a bus are shown in figure Two lines connected drawing the powers as shown in figure. The complex power in the line-2 "S2" is 2+j5 2+j1 2-j1 2-j5 TRUE ANSWER : ? YOUR ANSWER : ?
The most commonly used method for the protection of three phase feeder is Reverse power protection Time graded protection Differential protection None of these TRUE ANSWER : ? YOUR ANSWER : ?
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 20 Ω and the resistance of the resistor connected to the sound core was 40 Ω. Calculate the distance of the fault point from the test end. 200 m 100 m 300 m 400 m TRUE ANSWER : ? YOUR ANSWER : ?
Fill in the blanks with suitable Article from the given alternatives.<br/>Everyone is ready to accept ____ new rules framed by the executive body No article a an the TRUE ANSWER : ? YOUR ANSWER : ?
A 10 A, Type C Miniature Circuit Breaker (MCB) will trip at fault currents greater than 100 A less than 10 A between 10 A and 50 A between 50 A and 100 A TRUE ANSWER : ? YOUR ANSWER : ?
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging. 82.55 pF 92.55 pF 72.55 pF 62.55 pF TRUE ANSWER : ? YOUR ANSWER : ?
A conductor having surface density is embedded in a dielectric medium of permittivity. The electric field in the medium is E. If it is known that the pressure p on the conductor surface is equal to the electric energy density in the medium, then p (in SI unit)is given by σ²/(2ε) σ²/(4π) σ/(4πε) σ²/(2πε) TRUE ANSWER : ? YOUR ANSWER : ?
The miniature circuit breaker (MCB) with ____ trip characteristics trips instantaneously when the current flowing through it reaches between 10 to 20 times the rated current. Class C Class B Class D Class Z TRUE ANSWER : ? YOUR ANSWER : ?