Name four different methods for heating water in a boiler heating system.
What will be an ideal response?
fossil fuel, heat pumps, electric heating elements, solar energy
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Describe what produces overdrive in a planetary gear set.
What will be an ideal response?
Give three formulas for electrical power.
What will be an ideal response?
Technician A says that the alignment sensor heads only need to be calibrated once per day. Technician B says that the alignment sensor heads should be compensated every time they are mounted on a wheel. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which of the following is a type of common channel signaling?
A) ear-to-mouth signaling (E&M) B) multifrequency signaling (MF) C) single frequency signaling (SF) D) all of the above E) none of the above