Which color of orifice tube will allow the most refrigerant to pass through it?
A. Red
B. Orange
C. Green
D. Brown
Answer: A
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An AC voltage has an instantaneous value of 110 volts. Find to the nearer degree the phase angle if the peak voltage is 155.5 volts.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1) Hot work is any work that involves welding, cutting, chipping, or any other process that creates sparks. 2) OSHA requires that all organizations develop fire-prevention plans for its approval. 3) Wood, paper, and trash fires are considered Class A fires. 4) The responsibilities of the industrial hygienist include mechanical safeguarding. 5) The OSH Act established specific requirements relating to industrial hygiene.
A series circuit has three resistances: 12, 3, and 6 ohms. Circuit voltage is 14.3 volts. What is the voltage drops across the 3 ohm resistance?
Fill in the blank(s) with the appropriate word(s).
In an electrical circuit, amps are:
A) The ability of electricity to do work. B) Opposition to current flow. C) The ability to make current flow. D) One coulomb of electrons flowing on one second.