The economizer on a commercial packaged air conditioning system
A) Limits the operating cycles of the system to no more than 15 minutes
B) Reduces the voltage to the compressor during peak loads to save power
C) Uses outdoor air to provide cooling at low ambient temperatures
D) Reduces the indoor blower speed during peak loads to produce cooler air and save energy
C
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A decision has been made by management that the demand for service exceeds capacity. Which of the following may be a solution?
A) Let the customers wait B) Enlarge the size of the shop C) Open the shop for more hours per week D) All of the above E) B and C
While having a discussion, Technician A says that BMW's active steering system uses a planetary gearset between the steering wheel and the steering gear. The input is the planetary carrier and the output is the sun gear. Technician B says that the input is the sun gear and the output is the planetary carrier. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
In some cattle a condition in which the lean meat is darker than normal is called _____
a. black cutter c. choice b. low cutter d. dark cutting beef
The reverse voltage is approximately ____ of the zener voltage (EZ).
A. 20% B. 40% C. 60% D. 80%