Leaks in air conditioning systems must be repaired if they have an annual leak rate of:
A) 10% of the charge per year. B) 25% of the charge per year.
C) 15% of the charge per year. D) 35% of the charge per year.
C
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The concrete footing for a chimney that will have a fireplace should be _____ the actual chimney base.
A. the same width as B. no more than 16" wider than C. approximately 18" wider than D. exactly 24" wider than
A substance with high ____________________ is very poisonous.
Fill in the blank(s) with the appropriate word(s).
Technician A says that cooling fans are designed to draw air through the radiator to aid in the heat transfer process. Technician B says that drawing the heat from the coolant transfers this heat to the outside air through the radiator. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
By the time of Augustus, the city of Rome had a population of about
a. 500,000 people. b. one million people. c. five million people. d. ten million people.