QC QA for Asphalt Concrete Production and Placement

Quiz Answers – QC QA for Asphalt Concrete Production and Placement – OL 479 (10 PDH)

1.	Acceptance is the responsibility of the Engineer.
	⊗	Engineer
		Contractor
		Owner
		None of the above
2.	______________ is defined as the quantity of asphalt concrete that is being sampled and tested for quality control.
		Lot
	⊗	Sublot
		Nuclear density test strip
		None of the above
3.	Quality Control includes, but should not be limited to:
		Inspection of the production and placement operation
		Quality control and process control testing
		Inspection of the finished roadway
	⊗	All of the above
4.	Quality control is the responsibility of the:
		Engineer
	⊗	Contractor
		Manager
		None of the above
5.	The aim of the ______________ process is to resolve differences between the Contractor and the Engineer that may arise from a disagreement regarding test result comparisons.
		Quality assurance
		Quality control
		Independent assurance
	⊗	Dispute resolution
6.	Quality control samples will be obtained at milestones using a random sampling plan. The sampling milestones will be determined __________ the start of production.
	⊗	Before
		After
7.	Nuclear gauge operation and transportation requires licensing by the California _______________ .
	⊗	Department of Health
		Department of Safety
		Department of Transportation
		None of the above
8.	Linear control charts display ___________ measurements of all quality characteristics as designated in the contract.
	⊗	Individual
		Collective
9.	There are some software applications that may be used to develop the linear control charts. Charts need to clearly reflect which of following:
		Date of posting
		Project information
		Lot Number
	⊗	All of the above
10.	When individual or composite aggregate moisture values differ from those of the plant computer, the plant computer will be adjusted to reflect the most _________ aggregate moisture.
		High
		Low
		Old
	⊗	Recent
11.	Summary of QC & Progress Control Testing is certified and signed by:
	⊗	The QC manager
		The Contractor
		The owner
		None of the above
12.	The fine aggregates that are collected in the plant bag house but also may include other fines, such as cement, fly ash, or hydrated lime which could be added to the mix as a corrective additive. This ingredient needs to be kept:
		Wet
	⊗	Dry
13.	In the asphalt tank area, the tanks need to be properly heated with an appropriate sampling device in place. In addition, a temperature-sensing device should be located in the asphalt feed line __________ with continuous recording device located at the point of proportioning for maintaining accurate records during production.
		Manual
	⊗	Automatic
14.	The Asphalt Concrete Construction Daily Record of Inspection is required:
		Weekly
	⊗	Daily
		Annually
		Semi weekly
15.	If physical measurements indicate that the mix temperature is below the temperature which the paving foreman has requested for placement and breakdown, corrective action needs to be taken:
		Within a month
		Within a year
	⊗	Immediately
		Timing does not make a difference

1 – 1 Engineer
2 – 2 Sublot
3 – 4 All of the above
4 – 2 Contractor
5 – 4 Dispute resolution
6 – 1 Before
7 – 1 Dept of Health
8 – 1 Individual
9 – 4 All of the above
10 – 4 Recent
11 – 1 The QC manager
12 – 2 Dry
13 – 2 Automatic
14 – 2 Daily
15 – 3 Immediately

100% correct answers:  verified 06 Feb 2022

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