Answer to Question 1
Contaminated refrigerant should be recovered into an empty recovery cylinder marked Contaminated to keep it from contaminating other relatively clean recovered refrigerant. Charges for destroying contaminated refrigerant can become expensive.
Answer to Question 2
You should always use two wrenches: one for a backup wrench to hold the part that should not turn, and the other to do the turning. Always use correct fitting, properly sized wrenches. Fixed wrenches are preferable to adjustable wrenches. Pliers, vise grips, robo grips, and channel locks should not even be considered.
Cutaway of an engine showing the cylinder, piston, connecting rod, and crankshaft.
Diesel combustion occurs when fuel is injected into the hot, highly compressed air in the cylinder.
Record the first puff and this final reading for each cylinder. The final readings should all be ...
In this design, the fuel injector is at the top of the cylinder and sprays fuel into the cavity of ...
Segregation of two genetic markers, lying on separate chromosomes (top) or on the same chromosome
A container in the shape of a right circular cylinder with no top has surface area square feet.