What is grab sampling - Study guides, Class notes & Summaries

CCIL UPDATED Exam Questions and CORRECT Answers Sampling from a mixer/truck agitator- Where is sample taken? - CORRECT AnswerBetween 10% and 90% (Not when testing with Super P) How is a sample taken when sampling plastic concrete? - CORRECT Answer- Either pass a receptacle completely through a discharge stream OR divert a discharge stream completely into a sampling container. How many grab samples are needed when testing for uniformity of samples? - CORRECT Answer- 3 What size sampl...

ATI Comprehensive Exit Exam - 180 Correct Questions & Answers 2022/2023 EXIT EXAM 1. A nurse is caring for a client who has given informed consent for ECT. Just before the procedure, the client tells the nurse she is considering not going forward with the treatment. Which of the following statements by the nurse is appropriate? a. “You don’t have to go through with the treatment.” b. “Most people who have this procedure feel better following the treatment.” c. “It’s okay to be nerv...

Concrete samples typically contained in order to perform the following standard concrete tests: _______ , ________ , _______ , and _______. - Answer- slump, plastic air content, temperature, and casting of compressive strength moulds What are the two types of sampling? - Answer- Evaluation of the concrete quality Evaluation of the uniformity Define the evaluation of the concrete quality sampling type. - Answer- Involves obtaining a single concrete sample at the appropriate location within...

CWEA Grade I Laboratory Analyst, questions and answers 2023 Chloride - Major anion found in many natural waters - Can impart salty taste in H2O What increases concentration of chloride in wastewater Chloride in human diet and softeners flushed into sanitary sewer system 2 most prevalent methods of measuring chloride argentometric and mercuric nitrate Argentometric Titration of sample with standard solution of silver nitrate (AgNO3) - Indicator: Chromate ions (CrO4) -...

Sampling from a mixer/truck agitator- Where is sample taken? - CORRECT ANSWER Between 10% and 90% (Not when testing with Super P) How is a sample taken when sampling plastic concrete? - CORRECT ANSWER Either pass a receptacle completely through a discharge stream OR divert a discharge stream completely into a sampling container. How many grab samples are needed when testing for uniformity of samples? - CORRECT ANSWER 3 What size sample is needed when casting 3 100mm x 200mm cyl...

CCIL Quiz with Complete Solutions 100% Verified Rated A+ Between what percentages must you sample a concrete truck? - Correct Answer 10% and 90% What is grab sampling? - Correct Answer Securing at one point of the discharge as fast as possible. Tamping rod size for 100 x 200mm cylinders - Correct Answer 10 +/- 1mm in diameter, between 450 mm and 600 mm Minimum sample required for 150 x 300mm cylinder? - Correct Answer 30L How long do you have to obtain, transport and remix sample? -...

CCIL Exam Study Guide | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Sampling from a mixer/truck agitator- Where is sample taken? - Answer -Between 10% and 90% (Not when testing with Super P) How is a sample taken when sampling plastic concrete? - Answer -Either pass a receptacle completely through a discharge stream OR divert a discharge stream completely into a sampling container. How many grab samples are needed when testing for uniformity of samples? - Answer...

The standard practice describes the _____ _____ and _____ required to obtain a representative sample of fresh concrete and to assess its tractability to the structure it represents. ☑: procedures, location and sample size The procedures used in sampling shall include the use of every precaution that will assist in obtaining samples that are truly representative of the _____and _______ of the concrete. ☑: nature, conditions Intermittent scooping of the sample in shovelfuls or bucket...

ACI CONCRETE FIELD TESTING TECHNICIANS GRADE 1 (IN CANADA) EXAM QUESTIONS AND ANSWERS The standard practice describes the _____ _____ and _____ required to obtain a representative sample of fresh concrete and to assess its tractability to the structure it represents. - Answer- procedures, location and sample size The procedures used in sampling shall include the use of every precaution that will assist in obtaining samples that are truly representative of the _____and _______ of the concr...

During a scoliosis surgery, you recognize a gradual latency increase of 3.5 msec in the PTN cortical response, the subcortical response appears to be shifted out almost as much. All response amplitudes are unchanged. What is the appropriate action to take? a. Ignore the change, it means nothing. b. Inform the surgeon immediately that changes consistent with spinal cord injury may have occurred. Recommend a wake up test. c. Check the latencies of the PF and MN responses to see if they are also sh...