Construction Materials, Methods & Equipments Flashcards
A testing machine that may be used to conduct tensile, compressive, bend, and other shear tests.
a. L.A. Abrasion Machine
b. Stability Machine
c. Brinell Testing Machine
d. Universal Testing Machine
d. Universal Testing Machine
Test that determines the stress level a metal can withstand without failure when subjected to an infinitely large number of repeated alternating stresses
a. hardness
b. fatigue
c. tension
d. bending
b. fatigue
Test that determines the resistance of a metal to penetration.
a. hardness
b. fatigue
c. tension
d. bending
a. hardness
The minimum stress required to create permanent deformation in a metal.
a. tensile strength
b. yield strength
c. minimum strength
d. ultimate strength
b. yield strength
A testing machine that may be used to conduct hardness test on metals.
a. L.A. Abrasion Machine
b. Stability Machine
c. Brinell Testing Machine
d. Universal Testing Machine
c. Brinell Testing Machine
The process of treatment of concrete against evaporation of moisture and temperature.
a. laitence
b. curing
c. proportioning
d. screeding
b. curing
Important property of concrete to be able to withstand deterioration due to weathering action.
a. workability
b. strength
c. durability
d. Impermeability
c. durability
The ease in which a uniform mass of freshly mixed concrete can be moved without segregation into final position in which the concrete is allowed to harden.
a. workability
b. strength
c. durability
d. impermeability
a. workability
Test that manifests the resistance of cement against deformation caused by temperature change.
a. compressive
b. soundness
c. time setting
d. fineness
b. soundness
Comprises tests performed by a company recieving new supplies to make certain that the shipment meets the standards called for in the order.
a. research
b. quality assurance
c. analysis
d. quality control
b. quality assurance
Involves test done by a company on their own product prior to shipment to ensure that the product meets the manufacturer’s standard.
a. research
b. quality assurance
c. analysis
d. quality control
a. research
Required gage length (GL) of the specimen in the Tension test of Rebars.
a. 500 mm
b. 400 mm
c. 300 mm
d. 200 mm
d. 200 mm
Structural units cast in molds in a factory that have reinforcing members not under tension as they are being cast.
a. prestressed
b. non-prestressed
c. pre-tensioned
d. post-tensioned
b. non-prestressed
Tension is applied to steel reinforcing before the concrete has been poured and allowed to harden.
a. prestressed
b. non-prestressed
c. pre-tensioned
d. post-tensioned
c. pre-tensioned
Structural units cast in molds in a factory that have stresses introduced as they are being cast or after casting.
a. prestressed
b. non-prestressed
c. pre-tensioned
d. post-tensioned
a. prestressed