A:-160cm
B:-260cm
C:-360cm
B:-260cm
C:-360cm
D:-460cm
Correct Answer:- Option-A
Correct Answer:- Option-A
2:-The principle of LCD display is
A:-Twisted pneumatic
A:-Twisted pneumatic
B:-Pneumatics
C:-Thermocouple
C:-Thermocouple
D:-Vaccum display
Correct Answer:- Option-A
3:-In a 7 segment display system the decimal point is displayed by
Correct Answer:- Option-A
3:-In a 7 segment display system the decimal point is displayed by
A:-any one of the 7 bit
B:-f bit
C:-a separate 8th bit
B:-f bit
C:-a separate 8th bit
D:-g bit
Correct Answer:- Option-C
4:-An UPS which does not require inverter is
Correct Answer:- Option-C
4:-An UPS which does not require inverter is
A:-Online UPS
B:-Offline UPS
C:-DC power UPS
D:-Line interactive UPS
B:-Offline UPS
C:-DC power UPS
D:-Line interactive UPS
Correct Answer:- Option-C
5:-In a UPS the failure of AC input supply is indicated by
5:-In a UPS the failure of AC input supply is indicated by
A:-Red light only
B:-A buzzer only
C:-Both red light and buzzer
B:-A buzzer only
C:-Both red light and buzzer
D:-None of these
Correct Answer:- Option-C
6:-The desirable changeover period for a UPS is
Correct Answer:- Option-C
6:-The desirable changeover period for a UPS is
A:-2 ms
B:-5 ms
B:-5 ms
C:-10 ms
D:-1 ms
Correct Answer:- Option-D
7:-Solar energy is resource of energy
D:-1 ms
Correct Answer:- Option-D
7:-Solar energy is resource of energy
A:-Consumable
B:-Renewable
B:-Renewable
C:-Dangerous
D:-Negligible
Correct Answer:- Option-B
8:-A solar panel is usually designed to generate volts DC
Correct Answer:- Option-B
8:-A solar panel is usually designed to generate volts DC
A:-1-2 V
B:-3-5 V
C:-6-7 V
D:-12-20 V
Correct Answer:- Option-D
9:-Which device is used in remote control operated electronic equipment to work as an acceptor for the remote signal
A:-Zener diode
B:-3-5 V
C:-6-7 V
D:-12-20 V
Correct Answer:- Option-D
9:-Which device is used in remote control operated electronic equipment to work as an acceptor for the remote signal
A:-Zener diode
B:-Photo diode
C:-IR LED
D:-Photo voltaic cell
D:-Photo voltaic cell
Correct Answer:- Option-B
10:-The overall thickness of a LED is about
10:-The overall thickness of a LED is about
A:-1.5 cm
B:-2.5 cm
C:-3.5 cm
D:-4.5 cm
Correct Answer:- Option-B
B:-2.5 cm
C:-3.5 cm
D:-4.5 cm
Correct Answer:- Option-B
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