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SSC JE / State Electricity Boards JE Electrical Exams QUIZ-11
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Question 1
A-4 pole, 75 kW, Y-connected, 50 Hz, 440 V synchronous motor operates at rated condition at 0.8 p.f. leading. The motor efficiency excluding field and stator losses is 95% and . What is the mechanical power developed?
Question 2
Carbon brushes are preferable to copper brushes because…………………
Question 3
Fig. shows the daily load curve of a generating station.
What is the maximum demand?
What is the maximum demand?
Question 4
An isolator is designed to open a circuit under
Question 5
The inductive susceptance of the circuit shown in Fig. is …………………
Question 6
The series ohmmeter shown in Fig. is made up of a 3 V battery, a 100μA meter and a resistance r which has a fixed value of 30-kΩ What is the value of unknown resistance R, when the pointer indicates half full-scale deflection?
Question 7
If a mod-4 counter is constructed using 3 flip-flops, the counter will skip
Question 8
Two spherical conductors and of radii and are placed concentrically in air. is given a charge and is earthed. The equivalent capacitance of the system is [See Fig. 6.32]
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ESE & GATE EEGeneralAug 23ESE & GATE EE