A boiler operates at _____ efficiency only when it is being fired continuously under nonvarying conditions.

a. steady-state
b. measurable
c. DOE-certified
d. manufacturer


a. steady-state

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When the engine is at operating temperature, a NTC (Negative Temperature Coefficient) engine coolant temperature sensor resistance is high.

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

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Two technicians are discussing valve body solenoids. Technician A says that a PWM solenoid can be checked with a 12 volt battery and jumper wires. Technician B says that high current flow could damage the PWM solenoid. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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The output of an OR gate is HIGH at least one input is HIGH

Indicate whether the statement is true or false

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The _____ the heifer or steer is halter broke the safer for the exhibitor and the calf.

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

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