What is the advantage of controlling the air-fuel ratio to a stoichiometric ratio?
A. A stoichiometric ratio reduces the production of toxic emissions within the engine's cylinders
B. A stoichiometric ratio helps the three-way catalytic converter perform at its peak efficiency
C. A stoichiometric ratio increases the potential for performance when the engine is under heavy load
D. Both A and B
Answer: D
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A coolant leak will show as what color?
A) Orange B) Green C) Red D) Any of the above, depending on the type of coolant
Using the procedure outlined in the book lay out a rectangle measuring 50" x 75" onto a flat surface. What are the dimensions of the diagonals in inches? Round the answer to the nearest foot.
What will be an ideal response?
ASE-Style Multiple Choice A ____ is a type of connection that is male on both ends.
A. regulator B. belt guard C. coupling D. drain valve
Which of the following statements is correct?
a. Electronic defrost controls use logic to determine the need for a defrost cycle. b. Mechanical defrost controls are significantly cheaper than electronic models. c. A defrost cycle starts as soon as the coil temperature is below the setpoint. d. Mechanical defrost controls base defrost cycles on time alone