Top Electrical Engg MCQ - 500+ MCQ
181
The higher the voltage in the transmission line, the current which will flow through the transmission line for a given power to be transmitted will be
182
The range of moving coil instrument having meter resistance of 6 Ohms is 0-50 V. Find the value of multiplying factor of the series resistance, if full scale deflection current is 5 A.
183
What will be the frequency (in Hz) of a sinusoidal wave, when the time-period of the wave is 2 ms?
184
Arc blow is a welding defect which is encountered in
185
The peak inverse voltage, in case of a bridge rectifier, for each, diode is: (where, Eₘ = Peak value of input voltage)
186
The power factor of a single-phase induction motor is usually……..
187
Dielectric heating is most suitable for heating:
188
Which of the following is the correct expression for the capacitance?
189
The under-excited synchronous motor takes ____.
190
The illumination level in houses is in the range
191
In electric motor cooling; TEFC means
192
It is desirable to operate the arc furnaces at a power factor of
193
Instrument transformers are used in which type of circuits?
194
Calculate the value of phase angle (in Degrees) in a series RC circuit having a resistance of 50 Ohms and a capacitive reactance of 86.6 Ohms, when supplied with a frequency of 50 Hz.
195
The oscillations in a synchronous motor can be damped out by
196
Absorbed moisture contents affect the dielectric strength ____.
197
Which type of lighting scheme is used in stadium?
198
The most important components required for transmission line are
199
A parallel RLC circuit is being supplied by a DC source as shown in the figure below. What is the value of current flowing through the capacitor (in A)?
200
The V-curve of a synchronous motor illustrates the relationship between: