ACI Certification Exam Questions and Answers 100% Pass

ACI Certification Exam Questions and Answers 100% Pass The pressure of method of determining air content can be used on containing _____ _____ aggregate. - Answer- Relatively Dense The pressure method of determining air content cannot be used on concrete containing the following types of aggregate: ______,______,______. - Answer- Lightweight, air cooled blast furnace slag, or aggregates of high porosity. What is the minimum allowable capacity of the measuring bowl used in this test method? - Answer- 6 L (0.20 ft^3) What are the required characteristics of the tamping rod used in this test method? - Answer- Round, straight steel rod, with a 16 mm [5/8 in] +/- 2 mm [1/16 in.] diameter, length at least 100 mm [4 in.] greater than the depth of the measuring bowl, but not greater than 600 mm [24 in.] in overall length, with the tamping end rounded to a hemispherical tip of the same diameter as the rod. What is the specified size of the mallet required for this test method when measuring bowl has a capacity of 14 L [0.5ft^3] or less? - Answer- 0.60 +/- 0.25kg [1.25 +/- 0.50 lb.] The sample of concrete used for this test is to be obtained in accordance with what ASTM Standard? - Answer- C172 The maximum size aggregate allowed for this test method is ______. - Answer- 2 in.[50 mm]