Technician A says that when one cylinder is bored oversized, the others in the block must be bored to match. Technician B says that if only one cylinder is damaged, sleeving may be a more cost effective repair. 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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The two classifications of overload relays are thermal and _____.
a. magnetic b. shading c. eutectic d. bimetallic
____ describes the gain of electrons.
A. Excitation B. Oxidation C. Combination D. Reduction
How is placement of the condenser line determined when drawing a PH diagram of an operating system?
A) Draw a horizontal line across the saturation curve on the constant pressure line equal to the system high-side absolute pressure. B) The condenser line can be drawn anywhere that crosses the saturation curve as long as it is a horizontal line. C) Draw a vertical line across the saturation curve on a constant enthalpy line equal to the system high-side absolute temperature. D) The condenser line is always drawn on the horizontal line representing 275 psia absolute pressure.
Some circuit controls use a combination of a humidistat and a(n) ____.
a. sail switch b. ionizer c. hygrometer d. dehumidifier