REVIEW QUESTIONS Flashcards
Where would a technician encounter freezing temperature when working with liquid refrgerant
??
Which of the following can happen to a full nitrogen cylinder when the top broke off?
The tank will act like a rocket and move very fast
Why must nitrogen be used only with a regulator when it is charged into a system
??
What can happen when oil is mixed with oxygen under pressure
??
Trying to stop escaping liquid refrigerant with your hands will result in ________?
??
Electrical shock to the body effects the?
???
Electrical energy passing through the body causes two types of injury______and_______.
????
How can a technician prevent burning the surroundings while soldering in a tight area?
???
What safety precautions should be taken when starting a large electric motor whose coupling is disconnected?
???
The third (green) wire on an electrical drill is the ______wire
??
What special precaution should be taken before using chemicals to clean a condenser?
Keep your distance is a line is subject to rupture
When a hermetic motor burns while in use_______are produce
??
What refrigerant safety group classification has the highest flammability and highest toxicity?
B3
What do the letters A, B, and C means on a fire extinguishers
A- trash-wood-paper
B- liquids
C- electrical
