What is the minimum current rating for the disconnect switch of a unit with a minimum circuit ampacity rating of 45 A?
A) 45 A × 1.25 = 56.25 A
B) 45 A
C) 45 A × 1.5 = 67.5 A
D) 45 A × 1.15 = 51.75 A
D
You might also like to view...
Technician A cleans the valve body in carburetor cleaner, rinses it with water, and blow dries it with compressed air. Technician B says valves that are dragging in their bores should have the bores cleaned by a brake hone in an electric drill. Who is correct?
A. A only C. Both A and B B. B only D. Neither A nor B
Which of the following statements about a linear air-fuel (LAF) sensor is NOT true?
A. The linear air-fuel sensor is located at the outlet of the three-way catalyst. B. Within the sensor, there is an exhaust flow chamber, an atmosphere reference chamber, and a diffusion chamber, plus a heater circuit that allows the sensor to work when the engine is cold. C. Positive voltage indicates a lean mixture and negative voltage indicates a rich mixture. D. The normal operating voltage range is about 1.5 volts.
What is the stage of an air conditioning repair process where a strong vacuum is applied:
a. Evacuation b. Leak detection c. Refrigerant identification d. Recharge
How many cycles per second are there in a frequency of 140 Hz?
A) 140 B) 2 C) 70 D) 10