Electrical Daily Quiz 3rd May 2022
Electrical Engineering Daily Quiz 3rd May 2022 MPPEB Sub Engineer 2018 Solution
Question : 1
The lamination thickness of a rotor should be selected from……….to minimize the eddy current loss.
A. 3 mm to 4 mm
B. 0.9 mm to 1.0 mm
C. 0.4 mm to 0.5 mm
D. 0.1 mm to 0.2 mm
Answer-C
Electrical Daily Quiz 3rd May 2022
Question : 2
In purely inductive circuit, voltage lags current by __.
A. 90°
B. 0°
C. 60°
D. 30°
Answer-A
Question : 3
When does the transmission efficiency increase?
A. When the voltage increases and the power factor decreases
B. When the voltage and the power factor increase
C. When the voltage and the power factor decrease
D. When the voltage decreases and the power factor increases
Answer-B
Electrical Daily Quiz 3rd May 2022
Question : 4
The flag bits of ……… register are affected when arithmetic operations are executed in 8051 microcontroller.
A. SP
B. DPTR
C. PC
D. PSW
Answer-D
Question : 5
The unit of Power is——
A. Volt
B. Ampere
C. None of these
D. Watt
Answer-D
Electrical Daily Quiz 3rd May 2022
Question : 6
In series—parallel combination of resistance, the minimum number of resistance required is …….
A. one
B. four
C. two
D. three
Answer-C
Question : 7
The dielectric constant of a impregnated paper insulation is……..
A. 2.5
B. 3.8
C. 3.5
D. 4.3
Answer-C
Electrical Daily Quiz 3rd May 2022
Question : 8
A voltmeter has a range of 0 — 10V and an internal resistance of 100 kΩ. How cama single resistor be connected to this voltmeter to extend its range to 0 — 50V?
A. 500kΩ shunt
B. 400kΩ series
C. 500kΩ series
D. 400kΩ shunt
Answer-B
Question : 9
The maximum peak emitter current of UIT at 25°C is
A. 30A
B. 2A
C. 150A
D. 50μA
Answer-B
Electrical Daily Quiz 3rd May 2022
Question : 10
The given table gives the open circuit test results on a DC generator at rated speed. The residual voltage of the generator is………
| Field current, A |
Open circuit voltage, V |
| 0.0 |
1 |
| 0.1 |
40 |
| 0.2 |
85 |
| 0.3 |
125 |
A. 10V
B. 15V
C. 40V
D. 20V
Answer-B
