Why do some businesses and/or local and state governments require criminal background checks for HVACR workers?
What will be an ideal response?
To protect the public from potentially dangerous individuals involved with in-home service work.
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The Allen-Bradley up counter consists of a counter block that contains the up counter address, the preset value, and the ____________________ value.
Fill in the blank(s) with the appropriate word(s).
A typical vehicle heater works by ________.
A) Heat transfers from the coolant, to the fins, and to the air passing through the core B) Using hot coolant from the engine to heat the evaporator C) Electrically controlling the thermostat D) Making the A/C system operate in reverse using the evaporator as the heater
Caliche is a hard subsoil layer cemented by ____________________
Fill in the blank(s) with the appropriate word(s).
On a vehicle with four-wheel disc brakes, the application times for the brakes at all wheels are unequal.
Answer the following statement true (T) or false (F)