Aci Concrete Field Testing Technician- Grade I Exam Questions With Correct Answers 2024( A+ Graded 100% Verified).

The slump mold is filled in _____ layers. {Ans: 3}How many times does the rolling operation occur? {Ans: A minimum of 2, a minimum of 3}The mold for making the slump test is in the shape of _____. {Ans: The frustum of a cone}In order for an initial meter reading to be valid, the meter must not be leaking, the liquid level must stabilize within 6 minutes, and the foam on the surface of the liquid must not be greater than 2 full percent divisions. True or False? {Ans: True}What is the specified size of the mallet required for this test method when the measuring bowl has the capacity of 14 L [0.5 ft^3] or less? {Ans: 0.60 +- 0.25 kg [1.25 +- 0.50 lb.]}The diameter of the tamping rod used in the test method is _____. {Ans: 5/8 in. [16 mm]}The maximum size aggregate allowed for this test method is _____. {Ans: 50 mm (2 in.)}When rodding a standard 6 by 12 in [150 mm by 300 mm] cylinder, each layer must be rodded _____ times. {Ans: 25}Vibration of the concrete sample is not allowed when the slump of concrete exceeds