When heat is transferred by currents in fluids, the principle is known as:
A. conduction
B. convection
C. radiation
D. evaporation
Answer: B
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What should be the first step in calculating the radius of a bend when the conduit runs are different sizes?
a. Calculate one-half the outside diameter of the innermost conduit b. Determine the radius of the innermost bend c. Determine the distance between the two runs of conduit d. Calculate the outside diameter of the adjacent conduit
Most animals do better when raised with other animals of their own kind
Indicate whether the statement is true or false
The accuracy of a measurement obtainable with a vernier caliper depends on the users ability to align the caliper with the part being measured.
Answer the following statement true (T) or false (F)
Heat can be transferred from a refrigerant to the outdoors on a hot day because the _____
a. refrigerant is cooler than the outdoor air b. refrigerant is warmer than the outdoor air c. refrigerant and the air are at the same temperature d. condenser is colder than the evaporator