ACI Concrete Field Testing Technician- Grade I well answered graded A+
6 vistas 0 veces vendidas
Grado
Aci concrete
Institución
Aci Concrete
ACI Concrete Field Testing Technician- Grade IThe temperature of concrete may be measured in a wall form. True or False - correct answer True
The sensor of the temperature measuring device shall be submerged a minimum of _____ in. into the freshly mixed concrete. - correct answer 3 in.
Portio...
ACI Concrete Field Testing Technician- Grade I
The temperature of concrete may be measured in a wall form. True or False - correct answer True
The sensor of the temperature measuring device shall be submerged a minimum of _____ in. into the freshly mixed concrete. - correct answer 3 in.
Portions of a composite sample shall be thoroughly remixed before beginning tests on the sample. True or False? - correct answer True
The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. - correct answer 1 degree F, 30 degrees F to 120 F
The temperature measuring device shall be calibrated _____, or whenever there is a question of _____. - correct answer Annually, accuracy
The temperature of concrete may be measured in a wheelbarrow. True or False? - correct answer True
A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine temperature. True or False? - correct answer False
What must be done to the sample container prior to sampling the concrete? - correct answer Dampen with water
What must be done to the concrete surrounding the temperature measuring device after the device is submerged in the fresh concrete. - correct answer Gently press the concrete around the temperature measuring device at the surface of the concrete How long must the temperature measuring device remain in the freshly mixed concrete? - correct answer At least 2 minutes but not more than 5 minutes
After the temperature of the concrete is read, what is required? - correct answer Reporting of temperature
The temperature of concrete is reported to the nearest _____ degrees F - correct answer 1 degree F
According to ASTM C1064, what is one reason to take the temperature of concrete? - correct answer Verify conformance to a specified requirement for temperature of concrete
A maximum temperature of freshly mixed concrete is specified in ASTM C1064. True or False? - correct answer False
This method covers sampling from four types of mixtures which are _____, _____, _____, and _____. - correct answer Stationary mixers, paving mixers, revolving drum mixers, and open top mixers
The maximum allowable time between obtaining the first and final portions of a composite sample is _____ minutes. - correct answer 15
The maximum elapsed time allowed between obtaining the final portion of the composite sample and beginning the tests for slump, temperature, and air content is _____ minutes. - correct answer 5
The molding of strength test specimens shall begin within _____ minutes after fabricating the composite
sample. - correct answer 15
The concrete sample must be protected from sources of _____ and _____. - correct answer contamination and rapid evaporation
The minimum size sample for making strength test specimens is _____. - correct answer 1ft^3
Los beneficios de comprar resúmenes en Stuvia estan en línea:
Garantiza la calidad de los comentarios
Compradores de Stuvia evaluaron más de 700.000 resúmenes. Así estas seguro que compras los mejores documentos!
Compra fácil y rápido
Puedes pagar rápidamente y en una vez con iDeal, tarjeta de crédito o con tu crédito de Stuvia. Sin tener que hacerte miembro.
Enfócate en lo más importante
Tus compañeros escriben los resúmenes. Por eso tienes la seguridad que tienes un resumen actual y confiable.
Así llegas a la conclusión rapidamente!
Preguntas frecuentes
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
100% de satisfacción garantizada: ¿Cómo funciona?
Nuestra garantía de satisfacción le asegura que siempre encontrará un documento de estudio a tu medida. Tu rellenas un formulario y nuestro equipo de atención al cliente se encarga del resto.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for $17.99. You're not tied to anything after your purchase.
