Varying degrees of fire resistance can be achieved by using a second layer of fire-rated ______ on one or both sides of the wall.
A. drywall
B. putty
C. raceways
D. clips
Answer: A
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Highlighting a contact means that there is a ____ through that contact.
A. complete circuit B. short circuit C. change of state D. troubleshooting element
What is TRUE about a customer who uses a drop box after hours?
A. The customer must fill out the envelop and sign it B. The envelop and keys will be put into a slot for the service consultant to get when the shop opens C. The service consultant should call the customer and confirm the information before starting the repair order D. All of the above
Technician A says that air-conditioning service machines are used exclusively with HFC-134a systems. Technician B says that refrigerant containing sealers should be recycled. Who is correct?
A. Technician A B. Both Technicians A nd B C. Neither Technician A nor B D. Technician B
The forecasting technique that assumes the past is a good predictor of the future is
a. breakeven analysis. b. linear programming. c. time-series analysis. d. classical forecasting. e. developmental forecasting.