ACI Concrete Transportation Inspector Practice Test

These questions are part of the practice quiz. Start practicing

• Which action should be taken if a CTI observes a deviation from the project's acceptance criteria during delivery?
• Which curing consideration is appropriate after placing concrete in formwork?
• What action should a CTI take when visible segregation is observed during discharge?
• Which byproduct of coal combustion is used as a supplementary cementitious material in concrete?
• What are typical places expansion joints are seen?
• What is the purpose of washout procedures after unloading concrete?
• What records should be maintained by the CTI for quality control?
• If the site requires the concrete to remain within a strict temperature window, what is the primary reason for monitoring temperature continuously?
• What is the purpose of a concrete temperature measurement instrument during transit inspections?
• What is the inspector’s role in verifying the batch ticket after delivery?
• What does ACI recommend to manage heat of hydration?
• Water-cement ratio is a crucial factor for controlling which attributes of concrete?
• Which statement best describes absorption in materials like concrete?
• What is the role of the inspector in ensuring proper chute and hopper cleanliness?
• How is the unit weight of fresh concrete typically determined?
• What causes thermal cracking in concrete?
• Pigmented curing compounds provide which benefits?
• What is a dowel in concrete construction?
• What action is required if the discharge chute becomes clogged during transfer of concrete?
• Which performance area is NOT typically evaluated on the ACI CTI exam?
• What is water cement ratio?
• If the discharge area presents a safety hazard or poor access, what is the CTI's appropriate action?
• How should a transportation inspector respond if the delivered concrete exceeds the maximum allowable time between batching and placement?
• Seal curing refers to which method?
• When is additional water allowed to be added to a concrete load after batching at the plant?
• Which statement best defines absorbed water?
• Suppose a cementitious system includes supplementary cementitious materials. Which statement best describes their purpose?
• Expansion joints in concrete structures are designed to accommodate what?
• Which organizations publish Industry Standards that define tolerances?
• Which data should be recorded as field test data for transit concrete?
• What is the purpose of a retarding admixture?
• What is the importance of consistency between the batch ticket and the actual delivered concrete?
• What is slag?
• Curing Compound is defined as which of the following?
• What is the primary purpose of a pre-trip inspection for a ready-mixed concrete delivery vehicle?
• When a batch ticket shows added water after batching, what must the inspector verify?
• Which material is primarily used to reduce heat of hydration and improve resistance to chemical attacks when added to concrete?
• What are typical exposure conditions that impact field measurements of concrete properties during transit?
• Which property is primarily enhanced by air-entraining admixtures?
• In washout operations, what environmental compliance issue must be addressed?
• Why is it important to use properly calibrated equipment when testing air content in hot weather?
• What test is commonly used on-site to assess the workability (consistency) of freshly mixed concrete?
• Which of the following is NOT a typical source of tolerances?
• Which of the following is NOT listed as a critical visual sign of potential contamination when delivering concrete?
• What is the purpose of air entrainment in concrete?
• How is a water reducing admixture defined?
• Why is heat of hydration significant in concrete construction?
• What is the significance of washout water and sludge management from concrete trucks?
• Which items are typically included in field test results for fresh concrete?
• Crack control reinforcement is best described as which of the following?
• What is the primary purpose of curing in concrete?
• Where is a dowel typically placed?
• What is water cement?
• Curing aims to develop which properties in concrete?
• Which action best ensures the concrete temperature remains within spec at delivery, and is documented accordingly?
• What is the benefit of expansion joints?
• What safety practice is essential when inspecting a moving concrete delivery?
• What constitutes proper signage and identification for a ready-mixed concrete delivery at a job site?
• Which performance areas are typically evaluated by the ACI CTI exam?
• Which field tests are commonly used by a transportation inspector to assess concrete workability and freshness?
• What is a central batch plant?
• What is the Accelerating admixture used for?
• What is a consequence of poor consistency between batch ticket and delivered concrete?
• Engineering Drawings primarily outline which aspects?
• Which of the following describes how field sampling frequency should be documented?
• How can a CTI verify that a load is not exceeding the truck's rated capacity?
• What is the purpose of specifying a moisture correction for aggregates in transit testing?
• What is the recommended procedure for sampling concrete during truck deliveries for field tests?
• Under what condition should a batch be rejected?
• What is the recommended action when a truck mixer is not rotating adequately during transit?
• What is Central mixed cement?
• Why does transportation mode matter for sampling frequency?
• What is the status of the ACI 117 document in relation to specifications?
• Which of the following is NOT listed as a factor influencing the heat of hydration?
• What should an inspector do if the concrete shows excessive air content on the site test?
• If safety concerns exist with a concrete load, what action should the CTI take?
• What are batch weights?
• Which action best supports confirming that water added and materials meet the mix design during transport inspection?
• Why is continuous drum rotation important during loading and transport?
• Which component is most critical in preventing segregation during discharge, as described for the delivery system?
• Which sequence correctly describes the steps for slump testing the delivered concrete?
• Aggregate blending is used to achieve which main objectives?
• How should an inspector document nonconforming concrete?
• Which factor below is NOT typically considered when assessing fresh concrete before discharge?
• Which document type would you consult to understand accepted tolerances for materials and construction practices?
• What is a clear sign of potential segregation in a load during discharge?
• Which combination of records should CTI maintain for quality control?
• Under what circumstances should a CTI request a replacement load?
• How can a CTI verify the drum is rotating correctly during transit?
• Which statement describes what should be visible at the job site to identify a ready-mixed concrete delivery?
• Which practice helps ensure accurate air-content readings in hot weather?
• Which safety hazards must be addressed when inspecting a concrete delivery in motion?
• Which factor is not typically considered when selecting the slump range for transit concrete?
• Which factor directly affects the durability of fresh concrete?
• What routine maintenance should a CTI verify on a ready-mix truck before delivery?
• How should the inspector coordinate with the plant to resolve issues found during transit?
• Where are expansion joints typically seen?
• What is Low-Strength Material (CLMS) and its typical compressive strength range?
• Which code or standard would typically govern the concrete inspection and testing during transport?
• How does a transport inspector verify that the truck’s discharge rate is appropriate for the project needs?
• Silica fume is a byproduct of which production process?
• If the measured slump is outside the project-specified range, what is the required course of action?
• In cold weather, which admixture is commonly used to speed up setting?
• What does a valid slump test indicate during inspection of transit concrete?
• Why is calibration of water addition equipment critical in concrete production?
• Which documentation is essential to show compliance with project-specific performance criteria?
• Which item is not typically listed on the load ticket?
• How frequently should field samples be taken for quality control on a typical CTI assignment?
• Which of the following is a typical application of CLSM?
• The slump test is associated with which ASTM standard?
• What is the proper action if a batch ticket indicates a mismatch between the order and the batch in progress?
• What is segregation and why is it problematic for concrete placed in structural elements?
• Which of the following best indicates good uniformity of concrete during discharge from a mixer truck?
• Under what condition should re-tempering be considered during finishing?
• What is Silica fume?
• Which type of document may contain mandatory tolerances as referenced in contract documents?
• What is blended cement?
• Which statement about fiber-reinforced concrete is true?
• Which statement best differentiates inspection from testing in CTI practice?
• Which of the following is a benefit of using fiber-reinforced concrete?
• Where should the temperature reading for fresh concrete be taken?
• How can an inspector verify the legitimacy of the truck’s meter readings for water added during transit?
• Architectural Drawings are used to specify which of the following?
• Which factors influence the slump range selected for concrete in transit?
• A key design consideration of CLSM is its ability to permit what in the future?
• Which observation indicates insufficient consolidation before placing into forms?
• What factors influence the need for air-entraining agents in concrete?
• Which information should be included in washout records?
• Which publication provides tolerances and commentary related to concrete construction and materials?
• Which item is not typically documented on a batch ticket for ready-mixed concrete?
• If batch ticket data discrepancies exist, what is the recommended action?
• What is the primary purpose of a batch ticket in ready-mixed concrete operations?
• What should be included in the field inspection report for a concrete transport project?
• What standard method is commonly used to determine the air content of fresh concrete?
• What site conditions should a CTI verify before allowing discharge to proceed?
• Aggregate blending is defined as which of the following?
• How should a CTI respond when the measured concrete temperature exceeds the project specification?
• What is the purpose of on-site sampling in relation to acceptance criteria?
• A construction joint serves what purpose in a concrete structure?
• Which statement best describes the relationship between tolerances and construction cost?
• Covering curing uses which approach?
• What should be done if the truck discharge is contaminated by residues from a previous batch?
• Which of the following is NOT a common fiber type used in FRC?
• What safety actions should be taken if a concrete spill occurs on the jobsite?
• When should a concrete load be rejected or redirected due to quality issues?
• What is the CTI's role regarding the producer's responsibilities during transit?
• The relationship between tolerances and construction method implies what about quality control?
• If the slump is too high for the intended placement, what corrective steps might be taken?
• What is the typical field procedure for slump testing the delivered concrete?
• Which practice best reduces honeycombing during placement?
• Which scenario requires immediate action to prevent nonconforming concrete from being placed?
• In hot weather, which admixture is particularly useful to control setting?
• During transit, which observation would indicate potential quality issues requiring action before placement continues?
• When corrective action is taken due to a ticket discrepancy, what documentation is required?
• Fiber reinforcement improves which property primarily?
• Fiber-reinforced concrete is commonly used in which application?
• During a discharge, if a hazard is identified, whom should the CTI notify?
• What are common types of fibers used in FRC?
• Which units are commonly used for temperature, slump, and air content in field testing?
• What factors contribute to slump loss during transit?
• Which term describes concrete that has begun to stiffen and lose workability?
• Which of the following is a type of admixture?
• Water curing involves which practice?
• What placement practices help minimize honeycombing and voids in concrete?
• Which document would document a deviation from the project specification and the corrective action taken?
• Which item is NOT listed as a typical exposure condition affecting field measurements during transit?
• Why is temperature control important for concrete during transportation?
• Which factors should be considered before discharging concrete into forms to minimize settlement defects?
• What is the purpose of tolerances in construction?
• What steps should be taken if a batch ticket indicates a violation of the mix design or water addition limits?
• Which observation indicates poor uniformity during discharge?
• What is an expansion joint?
• What environmental risk is associated with improper washout disposal?
• Which is not a typical responsibility of the transportation inspector regarding pump trucks?
• Why is the visual inspection of the concrete during transit important?
• Why is concrete temperature at delivery monitored and recorded?
• How should a CTI handle discrepancies between the batch ticket data and actual load?
• During transit, which item is not typically monitored by a CTI?
• The finish and architectural details should be compatible with the type and anticipated method of construction.
• What is the inspector’s role regarding temperature limits for concrete in transit?
• What should be documented when a batch ticket shows a nonconformity with contract requirements?
• What is the definition of an admixture in concrete or mortar?
• Industry Standards may define tolerances for which areas?
• Fiber-reinforced concrete also improves which of the following?
• What is architectural concrete?
• What is fly ash?
• What are common causes of abnormal concrete temperature at delivery?
• What does an air-entraining admixture do?
• What is the heat of hydration?
• Which of the following describes a key characteristic of CLSM compared with traditional concrete?
• What is the final QA responsibility of the CTI at the end of a delivery?
• What is the primary purpose of a dowel?
• What is the maximum recommended time to place concrete after batching in typical field operations?
• What is the CTI's role in recordkeeping after the delivery?
• How should the inspector handle a concrete delivery that arrives late or before the scheduled time?
• Which factor is least likely to influence the need for air-entraining agents in concrete?
• In the event of a batch ticket discrepancy, which action sequence is correct?
• ACI 117 is a standard from which organization?
• What are typical responsibilities of the transportation inspector regarding pump trucks?
• Why is a field temperature reading important for concrete delivered to a site?
• Which components of the delivery system are most critical in preventing segregation during discharge?
• Which description defines a high range water reducing admixture?
• In what scenario might a retest or replacement load be requested?
• What is the difference between water-cement and water cement ratio?
• Which action best supports maintaining slump and strength during production?
• What is segregation in concrete, and how can the inspector identify it during delivery?
• Which test method is used to determine the air-void content of fresh concrete in the field?
• Fiber-reinforced concrete primarily improves crack resistance under what conditions?
• Which document accompanies each concrete load and lists the mix design, batch time, and pour location?
• Which admixture is intended to significantly reduce water content while maintaining workability and enabling higher strength?
• What documentation should be kept to show compliance with environmental requirements for concrete washout?
• Pigmented curing compounds offer what aesthetic and performance benefits?
• How can the inspector identify potential contamination of concrete in transit?
• What is the significance of the relationship between slump, temperature, and air content in fresh concrete?
• During delivery, which observation most clearly indicates possible segregation?
• Curing blankets are used for what purpose?
• Which elements are typically included in a field testing record?
• Which field test data helps determine the rate of setting and compatibility with project specs during transit?
• What is the primary purpose of adding fibers to concrete?
• What steps should be taken after corrective actions are completed and verified to resume deliveries?
• What is a common cause of early stiffening in transit concrete?
• Which action is most appropriate when a load arrives with potential segregation signs during discharge?
• How can a temperature rise affect air content in fresh concrete?
• Who is typically responsible for ensuring the load is directed to the specified pour location?
• Which factors influence the heat of hydration?
• Which action best matches water curing?
• Which activity best describes the CTI's role in QA during the delivery process?
• What is ACI 117 focused on?
• What is required for an inspector to approve a batch before it is delivered to the site?
• How should moisture in aggregates be accounted for when batching?
• How should you measure the temperature of fresh concrete on arrival at the site?
• What should you do if a customer requests approval of a different water-cement ratio than on the ticket at the site?
• What steps should be taken if air content test results are outside specification?
• How can the inspector assess whether there is adequate slump for a hand finishing operation after discharge?
• The specified degree of accuracy has what kind of impact on cost and construction method?
• Which cooling method is used to manage heat of hydration?
• How do admixtures affect the CTI inspection process?