An oil filter should be hot drained for how long before disposing of the filter?
A) 4 hours B) 12 hours C) 8 hours D) 30 to 60 minutes
B
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Indicate whether the statement is true or false
Two technicians are discussing variable valve timing. Technician A says that changing the exhaust valve timing helps reduce exhaust emissions. Technician B says that changing the intake valve timing helps increase low-speed torque. Who is right?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Absorption chillers move refrigerant using:
A) Large centrifugal compressors. B) Heat from steam, hot water, or gas. C) Reciprocating compressors. D) Steam-driven turbines.
Carry the answer to two decimal places. What is the total weight of a container of 7 gallons of liquid insulating material if one gallon weighs 9.36 pounds and the container alone weighs 6.87 pounds?
Fill in the blank(s) with the appropriate word(s).