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PCC Level 1 Questions and Answers
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PCC Level 1 Questions and Answers The end of the temperature sensing portion of the temperature measuring device is submerged a minimum of ___ into the freshly mixed concrete. 3 inches The temperature measuring device shall be capable of accurately measuring the temperature of freshly mixe...

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  • October 27, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • pcc level 1 questions and answers
  • the end of the temperature sensing portion of the
  • the temperature measuring device shall be capable

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  • Pcc

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PCC Level 1 Questions and Answers
The end of the temperature sensing portion of the temperature measuring device is
submerged a minimum of ___ into the freshly mixed concrete. - answer 3 inches

The temperature measuring device shall be capable of accurately measuring the
temperature of freshly mixed concrete to _____ throughout a range of _____ . - answer
1 °F , 30-120°F

The temperature measuring device shall be verified ______, or whenever there is a
question of ______. - answer annually, accuracy

The temperature of concrete may be measured in a wheelbarrow. T or F? - answer T

The temperature of concrete may be measured in a wall form. T or F? - answer T

A composite sample of concrete is required even if the only purpose for obtaining the
sample is to determine temperature. T or F? - answer F

What must be done to the sample container prior to sampling the concrete? - answer
Dampened with water

What must be done to the concrete surrounding the temperature measuring device after
the device is submerged in fresh concrete? - answer Gently press the concrete
around the temperature measuring device at the surface of the concrete.

How long must the temperature measuring device remain in the freshly mixed concrete?
- answer 2-5 minutes

After the temperature of the concrete is read, what is then required? - answer
Reporting of temperature

The temperature of the concrete is reported to the nearest _____. - answer 1°F

According to Test Method C1064, what is one reason to take the concrete temperature?
- answer Verify conformance to a specified requirement for concrete temperature.

A maximum temperature of freshly mixed concrete is specified in Test Method C1064. T
or F? - answer F

The sample of concrete used for temperature determination must be rodded 25 times. T
or F? - answer F

, Sampling by this practice covers procedures for obtaining representative samples, on
which tests are to be performed to determine ____ with quality requirements of the
specification under which the concrete is furnished. - answer Compliance

This practice covers sampling from five types of equipment which are... - answer
Stationary mixers, paving mixers, revolving drum mixers, continuous mixers, and open
top mixers.

The elapsed time between obtaining the first and final portions of a composite sample
shall not exceed ___. - answer 15 minutes

Portions of a composite sample shall be thoroughly remixed before beginning tests on
the sample. T or F? - answer T

Start the tests for slump, temperature, and air content within how many minutes after
obtaining the final portion of the composite sample? - answer 5 minutes

Start molding specimens for strength tests within how many minutes after fabricating the
composite sample? - answer 15 minutes

The concrete sample must be protected from contamination and _____. - answer
Rapid evaporation

The minimum size sample for making strength test specimens is _____. - answer 1
cubic foot

When sampling from a stationary mixer, the batch must be sampled at _____ or more
regularly spaced intervals during discharge of the middle portion of the batch - answer
2

When sampling from a paving mixer, obtain samples from at least ____ different
portions of the pile and combine them into one composite sample for testing purposes. -
answer 5

When sampling from a revolving drum truck mixer, concrete must be sampled at a
minimum of _____ regularly spaced intervals during discharge of the middle portion of
this batch. - answer 2

Concrete samples from a truck mixer must be obtained before any water or admixtures
are added to the mixer at the jobsite. T or F? - answer F

The composite sample from a truck mixer must be obtained form the ____ portion of the
batch. - answer Middle

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