Which substance in refrigerants is most responsible for atmospheric ozone depletion?
a. Chlorine
b. Carbon
c. Fluorine
d. Hydrogen
a
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Technician A says that if a check ball is magnetized, it may not work as designed. Technician B says that a solenoid is magnetic and can attract metal particles that can affect its operation. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The removal of objects and unwanted structures in the construction area is done during _____.
a. clearing and grubbing b. boring c. clearing and trenching d. ripping
Use the accompanying figure. Given angle A = 36o and angle B = 43o, compute angle R to the nearest tenth of a degree.
What will be an ideal response?
Heat that can be measured or sensed is referred to as:
a. latent heat of vaporization b. latent heat of condensation c. sensible heat d. latent heat of fusion