A three phase four pole 50 Hz induction motor has a rotor resistance of 0.02 Ω/phase and stand-still reactance of 0.5 Ω/phase. Calculate the speed at which the maximum torque is developed. 1500 rpm 1475 rpm 1525 rpm 1440 rpm TRUE ANSWER : ? YOUR ANSWER : ?
What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5? 0.577 1.732 0.7.7 1.414 TRUE ANSWER : ? YOUR ANSWER : ?
In a power network, 375 kV is recorded at a 400 kV bus. A 45 MVAR, 400 kV shunt reactor is connected to the bus. What is the reactive power absorbed by the shunt reactor? 49.55 MVAR 69.55 MVAR 59.55 MVAR 39.55 MVAR TRUE ANSWER : ? YOUR ANSWER : ?
Medium voltage covered conductors (MVCC) are produced in voltage rating beyond 200 kV less than 3.3 kV between 132 kV to 200 kV between 6.6 kV to 33 kV TRUE ANSWER : ? YOUR ANSWER : ?
દ્રશ્ય' શબ્દનો વિરુદ્ધાર્થ શબ્દ આપેલો વિકલ્પોમાંથી કયો છે? દ્રષ્ટિવંત દ્રશ્યમાન દ્રષ્ટિ અદ્રશ્ય TRUE ANSWER : ? YOUR ANSWER : ?
The most commonly used method for the protection of three phase feeder is Differential protection Time graded protection Reverse power protection None of these TRUE ANSWER : ? YOUR ANSWER : ?
Replace the braketed phrase grammatically and conceptually with the help of the given opation. If the given sentence is correct then select the option ’The given sentence is correct’.<br/>The corono virus continued to spread, with the development of infections advancing quickly continued for spread, with the development of infections The given sentence is correct continued to spreading, with the development of infections continue to spread, with the development of infections 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/(2πε) σ²/(4π) σ/(4πε) σ²/(2ε) TRUE ANSWER : ? YOUR ANSWER : ?
In a single phase energy meter, the pressure / voltage coil is wound on both the limbs of the laminated core with different turns the edges of the limb on the laminated core the centre limb of the laminated core / the middle limb of the shunt magnet both the limbs of the laminated core with same turns TRUE ANSWER : ? YOUR ANSWER : ?
કામકાજમાં ધ્યાન કન્દ્રિત કરજો'.<br/>આ આજ્ઞાર્થ વાક્યની સંભાવનાર્થ વાક્યરચના કઈ હોઈ શકે? કામકાજમાં ધ્યાન કેન્દ્રિત નથી કરવું? કામકાજમાં ધ્યાન કેન્દ્રિત કરી લીધું છે. હવે તો તમે કામકાજમાં ધ્યાન કેન્દ્રિત કરો. હવે તો કામકાજમાં ધ્યાન કેન્દ્રિત કરશો ને? TRUE ANSWER : ? YOUR ANSWER : ?