The ability of mortar to reknit or reseal itself if hairline cracks occur is called _____ .

A. flexibility
B. autogenous healing
C. compressive strength
D. adhesion


Answer: B

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Which of the following is not a factor in determining the appropriate type of heating cable for a pipe heat-tracing application?

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When measuring the output signal of a MAP sensor on a General Motors vehicle, the digital multimeter should be set to read ________

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Elements are:

A) The forces of velocity pressure and density upon a substance. B) Pressure and temperature. C) Naturally occurring chemicals. D) Force and pressure.

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A safe lift cannot occur unless the ____ is correctly determined.

A. center of weight B. center of gravity C. volume D. symmetry

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