Technician A says the output of the air pump is directed to the area between the reduction and the oxidation catalyst. Technician B says the output of the air pump is directed to the exhaust manifolds just behind the exhaust valves. Who is correct?
A. A only
B. B only
C. both A and B
D. neither A nor B
Answer: C
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In the fixed fastener formula, the ____________________ of the fastener is equal to the stated thread major diameter.
Fill in the blank(s) with the appropriate word(s).
Cleaning chemicals are usually either a caustic material or an acid material. Which of the following statements is TRUE?
A) An acid is higher than 7 and a caustic is lower than 7 on pH scale B) Pure water is a 1 and a strong acid is a 14 on the pH scale C) An acid is lower than 7 and a caustic is higher than 7 on pH scale D) Both caustics and acids have a pH of 7 if rated according to distilled water
What two facts must be considered when designing a drive shaft?
What will be an ideal response?
When testing specific gravity of a lead-acid battery, which of the following produces a reading that is not influenced by the actual temperature of the electrolyte?
A. built-in hydrometer B. glass bulb hydrometer C. plastic float type hydrometer D. refractometer