ASE-Style Multiple Choice
All of the following are considered important electric only tools EXCEPT:

A. spray guns
B. drill presses
C. heat guns
D. bench grinders


Answer: A

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Answer the following statement(s) true (T) or false (F)

1. Some flow switches sense the flow of liquid and some are made to sense the flow of air. 2. The type of flow switch used in air conditioning systems senses the flow of liquid. 3. Airflow switches are sometimes referred to as circular switches. 4. The airflow switch is the only positive method of indicating that the fan is actually in operation. 5. Airflow switches CFS and EFS are operated by the force of air created by the condenser fan or the evaporator fan.

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The active fraction of soil organic matter largely accounts for which of the benefits of adding organic matter to soils?

A) increased CEC B) increased water holding capacity C) increased microbial activity D) increased aggregate stability E) both C and D

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A soils contaminated with a heavy metal may be bioremediated by ________

A) growing and harvesting plants that take up large quantities of the toxic metal B) burying the contaminated soil in a secure landfill C) applying a source of carbon and nitrogen to the soil D) applying genetically engineered bacteria that can degrade the metal E) all of the above

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What is the primary way a convector heats a room?

A) By radiating heat into the space B) By releasing microbursts of steam into the room C) Through natural convection along the outer walls D) By absorbing the cold in the room

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