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Year 2023
May
Week # 2
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FAQs
March
Week # 4 Quiz 4
Q1.
The line voltage of a delta-connected three phase system with balanced loads is 240 V. The phase voltage is:
415 V
320 V
240 V
139 V
Q2.
Determine the power rating of a device which is rated at 15A, 250 V.
37.5 kW
3750 W
22.5 kW
375 W
Q3.
In squirrel cage induction motor, the rotor slots are usually given slight skew in order to
reduce magnetic hum
reduce accumulation of dirt and dust
reduce eddy currents
reduce windage losses
Q4.
If the ground is applied to the positive terminal of an inverting of amp then negative terminal will
Not need any input resistance
be virtual ground
have high reverse current
Not invert the signals
Q5.
The medium used for arc extinction in ABCB is
Oil
Air
\(SF_6\)
Vacuum
Q6.
Which of the following is not a magnetic memory in computers ?
Flip-flop
Tape
Drum
Disk
Q7.
The type 0 system has ______ at the origin.
no pole
net pole
simple pole
two poles
Q8.
When the initial conditions of a system are specified to be zero it implies that the system is
at rest without any energy stored in it
working normally with reference input
working normally with zero reference input
at rest but stores energy
Q9.
The maximum efficiency of full wave rectifier is
20.30%
40.60%
50%
81.20%
Q10.
In microprocessor 8085, LDA 2000H is_____________.
Immediate addressing mode
Implied addressing mode
Indirect addressing mode
Direct addressing mode
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