Technician A says that, in evaporation, the refrigerant changes from a liquid to a gas. Technician B says that, in condensation, the refrigerant changes from a gas to a liquid. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
C. Both Technicians A and B
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Why should the water flow be checked before checking other system operating characteristics?
A) The flow rate affects the other system operating characteristics. B) a system operating with a low flow rate may require additional refrigerant C) The system will not function at all with an incorrect flow rate. D) A low flow rate introduces too much air into the system.
_____ are provided by manufacturers and suppliers in order to provide detail of the chemical composition and precautionary information for all products that can present health or safety hazards.
A. Warning labels B. Hazardous wastes disclosures C. Material Safety Data Sheets D. Repair manuals
Identify the following as cash inflows or outflows to a privately-owned water company: well drilling, maintenance, water sales, accounting, government grants, issuance of bonds, energy cost, pension plan contributions, heavy equipment purchases, used equipment sales, stormwater fees, and discharge permit revenues.
What will be an ideal response?
The most important rigging precaution is determining the _____ of all loads before attempting to lift them.
a. area b. length c. height d. weight