UNIT 6 REVIEW QUESTIONS ANSWER KEY GO BACK TO INDEX
6-1) What are four physical properties of objects that can be measured?
6-2) What units are used to measure area?
6-3) Name a common use of area in HVACR.
6-4) Calculate the area of a grille that is 6 inches high and 30 inches long.
6 inches x 30 inches = 180 square inches
6-5) What units are used to measure volume?
6-6) Calculate the volume of a room that is 12 feet wide and 15 feet long with a 10–
foot ceiling.
6-7) What is a compound measurement?
6-8) List some examples of compound measurements.
6-9) What is the difference between a quantity measurement and a rate
measurement?
6-10) List common rate measurements used in HVACR.
6-11) What is the water flow rate of a pump that moves 72 gallons of water in 6
minutes?
6-12) Why are the lines different heights on a traditional ruler?
6-13) Convert 57 ounces to pounds and ounces.
6-14) What is the difference between a troy ounce and an avoirdupois ounce?
6-16) What do grams measure?
6-17) What are the three fundamental concepts that were used in developing the
metric system?
6-18) Convert 569 millimeters to centimeters.
569 / 10 = 56.9 centimeters (move the decimal one place to the left)
6-19) What is the weight in grams of 262 milliliters of water?
6-20) List the most common prefixes used in the SI system and explain their
meaning.
6-21) What SI unit is used for measuring refrigerant pressure?
6-22) What is the approximate width and height of a concrete block wall that is 27
blocks long and 15 blocks high?
6-23) What is the length of a roof with 22 rafters spaced 16 inches on center?
16
6-24) Calculate the area of a circle with an eight-inch diameter.
6-25) Calculate the volume of a cylinder than has an 8-centimeter diameter base
and is 10 centimeters high.