Technician A and technician B are discussing spark plug gap. Technician A says that the spark may be weak in strength if the gap is too wide. Technician B says that the spark will have high-voltage if the gap is too narrow. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: A

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When a backing weld or a melt-thru weld is to have a(n) ____________________ finished convex contour, this is indicated by adding the convex contour symbol and the finish abbreviation to the backing, back, or melt-thru symbol.

Fill in the blank(s) with the appropriate word(s).

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To determine the piston clearance in an engine, you’ll need to measure the ____ of both the piston and the cylinder bore.

a. radius b. diameter c. circumference d. area

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Most residential and small commercial installations use a 12-volt control system.

Answer the following statement true (T) or false (F)

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On some vehicles, placing the transmission in the ________ position will also apply the electric parking brake

A) Park B) Drive C) Hill-hold D) Neutral

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