Download NICET Level 2 Water-Based Systems (Latest U[date) Questions and Verified Answers (GRADED A and more Exams Engineering in PDF only on Docsity!
NICET Level 2 Water-Based Systems (Latest U[date)
Questions and Verified Answers (100 out of 100)
Job Site Posting 1: OSHA Regulations 2: Department Of Labor Postings 3: Accident Prevention Postings 4: Safety Plan 5: Accident Reports 6: EEO Poster 7: Job Safety and Health Protection Plan 8: Criminal Code Notice Inspector Responsibilities Do's 1: Report to EIC 2: Record Measurement, complete reports, communicate quantities to contractor 3: Keep Track of Time and Attendance 4: Inspection Reports, Material Registers Inspector Responsibilities Dont's 1: Cannot Make subjective interpretations of plans 2: Cannot order work, including provided in construction documents What grade Bar should be used for structures
Grade 60 What coated bar should be used for concrete structures? Zinc or Epoxy coated Types of Placement Machines 1: Bucket Hoppers 2: Manuel, Motor Propelled 3: Chutes and Drop Chutes 4: Tremies 5: pumps Where should concrete be placed on a slope At the bottom How far should reinforcing steel be placed away from forms? 3 inches Where should reinforcing steel tie wire be faced? Away from the finished surface Pay Weight for Reinforcing Steel
Gravel and Stone What is A- 2 Silty Clay Gravel Stone What is A- 3 Fine Sand What is A-4, A- 5 Silty Soils What is A-6, A- 7 Clay Soils What is Clay Identification #200 Sieve Fine grained soil, or fine graded portion of soil with index equal or greater than 4 Soil Identification Letters G= Gravel S= Sand
W = Well Graded P= Poorly graded C= Clay M= silt (Mud) L= Lean ( low Plasticity) H= Heavy ( High Plasticity) Fine Grain Soil Identification ML: (Silt) CL: Lean Clay) MH: Elastic Clay CH: Fat CLay What are the test procedures for compaction? Nuclear Density Gauge and Proctor Test What test measures soil density? Sand Cone Test What is Embankment Compaction Tolerance? 95% of maximum density What is Embankment Slope Finish Tolerance?
- or - 0.05 from stake line of + or - 0.
Place in alternation of layers of 48" and covered in 24" of earth matter and compacted every 12" Definition of Right Of Way Land Acquired for Construction of the Roadway Definition of Easement Right To use another persons property for Specific purpose Definition Limits Of Disturbance Area where construction activity must be contained What is the recommended moisture content of Aggregate Mixing moisture content within 2% optimum moisture content. Compact each layer in 6" Layers Test for optimal moisture in in various soil and aggregate applications Proctor Test: - Method A & C ( 4" Mold) Method B & D (6" Mold)
- 18" Rod Drop
- Rammers ( 10lbs) Sieves: 2", 3/4" and #4 conforming Drying Oven: 230+ - 9 Degrees Blower per level : 25 Finishing Tolerance for Aggregate
Finish 0.05+- of finished grade line. if grade stakes aren't required then check 10' Types of Aggregate expanded shale / clay, expanded slate, vermiculite, Crushed Concrete, Gravel, Type 1 MOTT, Ballast (Concrete Mixtures), Boulders >256mm Placing , Compacting and finishing aggregate tolerance Maintain moisture content +-2% Aggregate testing curing 7 - 28 days at 100+- 3Degrees Aggregate proportioning compressive strength of 500 lbs per square inch and no less than 400 lbs per square inch How many cores do you need for Statistical sample Need 5 Core samples Sampling for paving operation Scattered test samples in increments and 2 specimens taken for final test Acceptable allowance for moisture content: Nuke Test
Paving Machine Pre-Check 1: Check screeds for crown, tilt 2: Check screen extensions 3: measure depth 4: Operation speeds Check Spreading and Finishing Compact 1/4 per 1" and screed overlay 1 to 2" Asphalt Spray Rate rate of 0.03 - 0.15 gallons per square yard Check Asphalt tack coat 1:Check Asphalt distributors 2:Check Spray bar height 3: Check Nozzle angles Asphalt Rollers Complete rolling within an hour of placement 3 Rollers passes Speed of roller is 5 miles per hour Asphalt sampling
Cores: Location and size depending on contract Loose Course: 3 samples incremented
