ACI CONCRETE STRENGTH TESTING
TECHNICIAN SAMPLE WRITTEN EXAM
EXAMPREP RESOURCE WITH COMPLETE
QUESTIONS AND PASS READY SOLUTIONS
⩥ Planeness and Perpendicularity.
Answer: The procedure for capping enables concrete cylinders to meet
the standard's requirements for ____ and ____
⩥ plates, alignment, melting.
Answer: equipment needed for the capping process include ____, ____
devices, and ____ pots
⩥ glass, metal, granite, diabase.
Answer: Plates for neat cement and high-strength gypsum plaster caps
should be made of ____, ____, ____, or ____
⩥ metal or stone.
Answer: Sulfur mortar caps should be formed against _____ or _____
plates
⩥ B.
,Answer: The purpose of the guide bar or bullseye level is that caps
remain perpendicular to the axis of the cylinder within ____
[A.] 0.25°
[B.] 0.5°
[C.] 2°
[D.] 2.5°
[D.] 5°
⩥ peripheral heating.
Answer: to avoid accidents during reheating, use melting pots that have
_____ _____
⩥ A.
Answer: The technician should use a stiff layer of _____ to cap fresh
concrete cylinders.
[A.] Neat Cement Paste
[B.] High-Strength Gypsum Paste
[C.] Sulfur Mortar
[D.] any of the above
⩥ D.
Answer: Hardened concrete cylinders should be capped with ____.
[A.] Neat Cement Paste
, [B.] Gypsum Cement Paste
[C.] Sulfur Mortar
[D.] any of the above
⩥ False.
Answer: [True/False] Plaster of Paris and Portland Cement are examples
of suitable high-strength plasters.
⩥ C.
Answer: Sulfur mortars and high strength gypsum cement cubes must
demonstrate a minimum compressive strength of _____ or the cylinder's
strength; whichever is greater.
[A.] 3.5 MPa (500 psi)
[B.] 10 MPa (1500 psi)
[C.] 35 MPa (5000 psi)
[D.] 50 MPa (7000 psi)
[E.] 80 MPa (12000 psi)
⩥ D.
Answer: Neat cement paste should be applied to the freshly molded
cylinders from _____ to ______ hours after molding. This is to allow
______ of the concrete specimen.
TECHNICIAN SAMPLE WRITTEN EXAM
EXAMPREP RESOURCE WITH COMPLETE
QUESTIONS AND PASS READY SOLUTIONS
⩥ Planeness and Perpendicularity.
Answer: The procedure for capping enables concrete cylinders to meet
the standard's requirements for ____ and ____
⩥ plates, alignment, melting.
Answer: equipment needed for the capping process include ____, ____
devices, and ____ pots
⩥ glass, metal, granite, diabase.
Answer: Plates for neat cement and high-strength gypsum plaster caps
should be made of ____, ____, ____, or ____
⩥ metal or stone.
Answer: Sulfur mortar caps should be formed against _____ or _____
plates
⩥ B.
,Answer: The purpose of the guide bar or bullseye level is that caps
remain perpendicular to the axis of the cylinder within ____
[A.] 0.25°
[B.] 0.5°
[C.] 2°
[D.] 2.5°
[D.] 5°
⩥ peripheral heating.
Answer: to avoid accidents during reheating, use melting pots that have
_____ _____
⩥ A.
Answer: The technician should use a stiff layer of _____ to cap fresh
concrete cylinders.
[A.] Neat Cement Paste
[B.] High-Strength Gypsum Paste
[C.] Sulfur Mortar
[D.] any of the above
⩥ D.
Answer: Hardened concrete cylinders should be capped with ____.
[A.] Neat Cement Paste
, [B.] Gypsum Cement Paste
[C.] Sulfur Mortar
[D.] any of the above
⩥ False.
Answer: [True/False] Plaster of Paris and Portland Cement are examples
of suitable high-strength plasters.
⩥ C.
Answer: Sulfur mortars and high strength gypsum cement cubes must
demonstrate a minimum compressive strength of _____ or the cylinder's
strength; whichever is greater.
[A.] 3.5 MPa (500 psi)
[B.] 10 MPa (1500 psi)
[C.] 35 MPa (5000 psi)
[D.] 50 MPa (7000 psi)
[E.] 80 MPa (12000 psi)
⩥ D.
Answer: Neat cement paste should be applied to the freshly molded
cylinders from _____ to ______ hours after molding. This is to allow
______ of the concrete specimen.
