Select the abbreviation used to indicate a parting line on a dimension print of a plastic part.
A. pl
B. PL
C. PPL
D. none of the above
Answer: B
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Melting alloy and bimetallic overload relays are designed to _____.
a. trip an alarm signal b. keep the motor operating in the event of a sustained overload c. react to changes in the motor load current d. divert excessive current to prevent overheating
What is specific humidity?
A) the relative humidity for any particular air sample B) the humidity level required for a particular application C) the weight of water in each pound of dry air, measured in grains D) the amount of water in the air compared to the amount of water the air could hold
Which agency requires ground fault interrupters be used when operating power tools outside?
A) OSHA B) ANSI C) UL D) EPA
Which sensor is also called the ambient air temperature sensor?
A) Outside air temperature B) In-vehicle vehicle temperature C) Discharge air temperature D) Evaporator outlet temperature