The potential energy of an air brake system is:

A. Compressed air
B. Foot pressure
C. Spring pressure
D. Vacuum over atmospheric


A. Compressed air

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28) Name at least four engineered wood products.

What will be an ideal response?

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Secondary cells, or ____________________ cells, came along about 1860 when Plante came up with the lead acid system.

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

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Two technicians are discussing temperature and heat. Technician A says that temperature is the intensity of the heat source. Technician B says that heat is the amount of heat. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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Units in the SI measurement system are subdivided into:

A) Units divisible by 2. B) Common fractional quantities. C) Units of 10. D) Units divisible by 3.

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