An engine has excessive oxygen (O2) readings at idle. At 2500 RPM, the readings are normal. Which condition is the most likely cause?
A. A restricted fuel filter
B. A leaking fuel injector
C. A vacuum leak
D. A cracked spark plug
Answer: C
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The stems on manual stem service valves should be turned with:
A) Either an adjustable jaw wrench or a pair of pliers. B) A refrigeration service valve wrench only. C) Either a refrigeration service valve wrench or an adjustable jaw wrench. D) Either a refrigeration service valve wrench or a pair of pliers.
? Identify and state the historical significance of the Embargo Act.
What will be an ideal response?
To change the size of the pipe in a run at an elbow, the drawings might call for a _____.
a. cap b. Van Stone flange c. return bend d. reducing elbow
When electricity passes through the body, the results can range from death to a slight, uncomfortable stinging sensation, depending upon the amount of electricity that passes through the body, the path the electricity takes, and the amount of time that the electricity flows.
Answer the following statement true (T) or false (F)