COMMERCIAL WIRING - Practice Mode

1) Which is the advantage of AC drive?

Power and control circuit are simple Speed and design ratios have upper limits Produce a simulated wave form Heavy windings required

Correct Answer: Speed and design ratios have upper limits

2) Which colour LED indicates the fault occurred in drives?

Green Yellow Red Blue

Correct Answer: Red

3) What is the expansion of UPS?

Uninterrupted Power System Uninterrupted Power Supply Uninterrupted Power Solution Uninterrupted Power Section

Correct Answer: Uninterrupted Power Supply

4) What is the relation between back up time and capacity of the battery of an UPS?

Capacity of battery increases back up time increases Capacity of battery increases back up time decreases Capacity of battery decreases back up time increases Capacity of battery has no relations with back up time

Correct Answer: Capacity of battery increases back up time increases

5) Which component is connected across the transformer winding of an UPS for protection from lightning?

Diode Transistor Triode Polyster capacitor

Correct Answer: Polyster capacitor

Previous Question Set Back to Question Sets Next Question Set

Try Another Topic

Try Another Quiz