Carbon, chromium, and vanadium are some of the alloying elements that can be added to improve hardness, strength, creep resistance, and ____ resistance.
A. impact
B. fatigue
C. corrosion
D. wear
Answer: C
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An inductor can be simulated using resistors, capacitors, and operational amplifiers. Ths circuit is called a _________
A) oscillator B) gyrator C) inducer D) modulator
The extra charge a customer may pay for a remanufactured engine until the old engine is returned is called a ____________________.
Fill in the blank(s) with the appropriate word(s).
The sequence of operation for an oil burner is ________
A) the thermostat calls for heat, the ignition spark is established, the furnace fan comes on, the main flame is established B) the thermostat calls for heat, the furnace fan comes on, the ignition spark is established, the main flame is established C) the thermostat calls for heat, the ignition spark is established, the main flame is established, the furnace fan comes on
Which of the following could be the cause for excessive subcooling in an air conditioning system?
A. dirty or blocked condenser coil B. defective condenser fan motor C. system operating in low ambient conditions D. service panels removed from condensing unit