Which of these heating methods is most commonly used as a heat source in cold climates?

a. Kerosene heaters
b. Coal furnaces
c. Natural gas furnaces
d. Electric heaters


a. Kerosene heaters

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____________________ are two (or more) diameters that are shown on a drawing as being on the same center line.

What will be an ideal response?

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? Identify and state the historical significance of Charles Sumner.

What will be an ideal response?

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Technician A says that by providing wireless connectivity to a truck on the highway, information broadcast on the J1939 data bus can be read at a land based data hub. Technician B says that a WiFi hotspot can also be called a footprint. Who is correct?

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

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Figure 10-2 In Figure 10-2, the data is sent to TT401 by a ____ connection.

A. hydraulic line B. electrical line C. mechanical linkage D. capillary tube

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