Posttensioning of concrete slabs is used to _____

a. reduce the amount of reinforcing steel needed
b. shorten the curing time of the concrete
c. allow the use of lower-strength concrete
d. reduce cracking under heavy load


d

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Materials that increase their resistance with an increase of temperature have a ____ coefficient of temperature.

A. decimal B. constant C. positive D. negative

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The sensor that most determines fuel delivery when a fuel injected engine is first started is the ________

A) ECT sensor B) Engine MAP sensor C) IAT sensor D) O2S

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What is used to rate the transaction speed of a multiplexed data backbone?

A. K-baud B. processor clock speed C. speed of light D. hertz

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What is the SI unit for torque?

a. N.m b. kg.m c. N/m d. kg/m

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