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What is control and automation?

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Wave trap is used to trap waves of higher frequencies entering generator or transformer units.

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Wave trap is used to trap waves of:  (A) Power frequencies (B) Higher frequencies entering generator or transformer units (C) All of the above (D) None of the above

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In 8085, whenever a signal is received at TRAP terminal, its program execution is transferred to a subroutine on address A) 0000 H B) 002C H C) 0024 H D) 0004 H

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asked Apr 30, 2018 in Switchgear And Protection by Shimroz123
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asked May 8, 2018 in Switchgear And Protection by Shimroz123
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asked May 8, 2018 in Switchgear And Protection by Shimroz123
1 answer 23 views

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asked Apr 30, 2018 in Switchgear And Protection by Shimroz123
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asked Apr 26, 2018 in Switchgear And Protection by Shimroz123
1 answer 26 views

A _________ is used to measure the stator % winding temperature of the generator.  (A) Thermocouple (B) Pyrometer (C) Resistance thermometer (D) Thermometer

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1 answer 13 views

The ALE line of an 8085 microprocessor is used to (A) latch the output of an I/O instruction into an external latch. (B) deactivate the chip-select signal from memory devices. (C) find the interrupt enable states of the TRAP interrupt. (D) latch the 8 bits of address lines AD7-AD0 into an external latch.

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An antenna located in a city is a source of radio waves. How much time does it take the wave to reach a town 12,000 km away from the city?  a. 36 s b. 20 us c. 20 ms d. 40 ms 

asked May 17, 2018 in Telecommunication Engineering by anonymous

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