Good drainage encourages proper root growth by ensuring a balance between the air and water in the soil
Indicate whether the statement is true or false
True
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_____ refers to the level where stone begins for a concrete floor or topsoil begins when grading off
land.
a. Substone c. Subgrade b. Sublevel d. Subsoil
A piping system containing materials that could cause injury to personnel and damage to the environment if
a leak occurs may be identified as _____. a. contact piping b. noncritical piping c. special piping d. critical piping
The most important consideration when installing a unit with an air-cooled condenser is:
A) Leveling the pad. B) Ensuring adequate airflow. C) Making the installation aesthetically pleasing. D) Installing the pad foundation below the frost line.
When testing an SCR with an ohmmeter by placing the negative lead on the cathode and the positive lead on the gate results in a low resistance reading, this would indicate that the SCR is __________.
A. good B. bad C. inconclusive D. none of the above