The timing chain on a cam-in-block engine has about 9/16"slack in the chain. What should the technician do?
A) Tighten the chain at the adjusting link B) Replace the timing chain and gears
C) Replace the timing chain D) Nothing, the chain is OK
B
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The great bulk of gaseous interchange between the soil pores and the atmosphere occurs by mass flow of the concerned gases
Indicate whether the statement is true or false
The outdoor air-cooled condensing unit consists of:
A) A compressor, condenser coil, a condenser fan, evaporator coil, and the necessary electrical control box assembly. B) A compressor, condenser coil, a condenser fan, and the necessary electrical control box assembly. C) Copper tubing surrounded by aluminum fins and a condenser fan, a refrigerant expansion device, and the necessary electrical control box assembly. D) Copper tubing surrounded by aluminum fins and a condenser fan, and the necessary electrical control box assembly.
What type notification relates to repairs that are always covered by the manufacturer to correct a safety or emission related concern?
A) Recall B) Technical Service Bulletin C) Both A and B D) Neither A nor B
The cells on most electronic air cleaners can be cleaned:
A) With a fine-grit emery cloth. B) By spraying them in place using a solvent that is certified to be high in volatile organic compounds. C) By spraying them in place with an air-conditioning coil cleaner. D) In the dishwasher.