When an inversion valve becomes functional during a brake failure, what force does it use to brake the vehicle?

A. Air pressure
B. Spring pressure
C. Hydraulic pressure
D. Vacuum


B. Spring pressure

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The term _____ is based on a scale rule that is multiples of the 4" grid called the module.

A. course counter B. modular C. oversize brick D. engineer

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Describe the power supply to the processor of the Jensen Electric Co. fire alarm system.

What will be an ideal response?

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The primary reason for most seeding failures is the lack of ____________________

Fill in the blank(s) with correct word

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Which units can be used to describe the density of a substance?

A) Ft3 per pound of a substance B) Ft /lb2 C) Lbs. /ft2 D) Lbs. per cubic feet

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