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. 92.55 pF 62.55 pF 82.55 pF 72.55 pF TRUE ANSWER : ? YOUR ANSWER : ?
If a cable of homogeneous insulation has maximum stress of 6 kV/mm, then the dielectric strength of insulation should be ____ 12 kV/mm 6 kv/mm 3 kV/mm 1.5 kV/mm TRUE ANSWER : ? YOUR ANSWER : ?
દ્રશ્ય' શબ્દનો વિરુદ્ધાર્થ શબ્દ આપેલો વિકલ્પોમાંથી કયો છે? દ્રષ્ટિવંત અદ્રશ્ય દ્રષ્ટિ દ્રશ્યમાન TRUE ANSWER : ? YOUR ANSWER : ?
Nairobi negotiations are related to which of the following Organisation? World Economic Forum World Trade Organisation The United Nations Children's Fund UNESCO TRUE ANSWER : ? YOUR ANSWER : ?
In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C? 0.53 mH and 15.83 pF 0.73 H and 13.85 pF 0.53 H and 15.83 pF 0.73 mH and 13.85 pF TRUE ANSWER : ? YOUR ANSWER : ?
Choose the word which best expresses the similar meaning of the given word "ABDICATE" Treasure Relinquish Continue Pursue TRUE ANSWER : ? YOUR ANSWER : ?
The most commonly used method for the protection of three phase feeder is Differential protection Time graded protection None of these Reverse power protection TRUE ANSWER : ? YOUR ANSWER : ?
Continuous and rapid variations in the load current magnitude which causes voltage variations is known as Harmonics Voltage distortion Flicker Voltage sag TRUE ANSWER : ? YOUR ANSWER : ?
વિષમ' ની સંધી છૂટી પાડો. - કયો વિકલ્પ સાચો છે? વિસ્ + અમ વિ + સમ વીસ + અમ વી + સમ TRUE ANSWER : ? YOUR ANSWER : ?