Most drawings conform to the International System of Units (SI), which is metric and uses the ____ as the standard unit; or they conform to U.S. customary units with a standard unit of the decimal inch.
A. micrometer
B. millimeter
C. centimeter
D. meter
Answer: B
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A more accurate rating system for air-conditioning equipment that takes into consideration operation during the complete cycle is the ____ standard.
A. ARI B. ACCA C. SEER D. EER
Itis recommended that all flexible lines on a machine be changed at 20,000 to 30,000 hours.
Answer the following statement true (T) or false (F)
Technician A says that a broken magnet becomes two magnets. Technician B says that there is a strong relationship between magnetism and electricity. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which type of condenser generally operates with a lower discharge pressure?
A) Natural-draft air-cooled condensers B) Forced-draft air-cooled condensers C) Water-cooled condensers D) The discharge pressure is not affected by the type of condenser used.