These procedures for capping enable concrete cylinders and cores to meet the
standard practice's requirements for _____ and _____.
Planeness; perpendicularity
Equipment needed for the capping process includes capping ____ ____ devices and
_____ pots.
Plates; alignment; melting
Plates for neat cement and high-strength gypsum plaster caps should be made of ____,
_____, or _____.
Metal; glass; granite
Sulfur mortar cap plates should be formed against _____ or _____ plates.
Metal; stone
True or false? The purpose of the guide bar or bull's eye level is to ensure that caps
remain perpendicular to the axis of the cylinder within 0.5 degrees.
True
To avoid accidents during reheating of cooled sulfur, use melting pots that have _____.
peripheral heating
The technician should use a stiff layer of _____ to cap fresh concrete cylinders.
neat cement paste
Hardened concrete cylinders should be capped with ________, ______, or _______.
High-strength gypsum paste; neat cement past; sulfur mortar
True or false? Plasters of paris and mixtures of plaster of paris and portland are
examples of suitable high-strength plasters.
False
Sulfar mortars and high-strength gypsum cement cubes must demonstrate a minimum
compressive strength of _____ or _____, whichever is greater.
35 Mpa [5000 psi]; cylinder strength
The cement paste should be applied to the freshly molded cylinder from _____ hours
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