Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Blood Bank Technician Grade II - Medical Education Department' And exam conducted in the year 2020. And Question paper code was '031/2020'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
032/2020
96. Which of the following device is used for triggering of TRIAC ?
97. A boost regulator has an input voltage of 5 V and the average output of 15 V. The
duty cycle is
A) 3/2 B) 2/3
0) 5/2 D) 15/2
98. For a full bridge inverter with the following load R = 4೧, XL = 10೧, XC = 6Q
A) The output voltage lags the current by 45°
B) The output current lags the voltage by 45°
C) The output current lags the voltage by 90°
)
D) The output current lags the voltage by more than 90°
99. Which one is used to protect a thyristor from di/dt condition ?
Inductor
Fuse
)
8) Snubber circuit
)
) Zener diode
100. 6Ah in an UPS battery specification means
A) 6 A for one hour
B
0
0
1 A for six hours
The output power is 6 w
)
)
)
)
It requires 5 hours to charge fully
A 7