Skip to main content

Cement types


Select the characteristic of Portland cement that corresponds with type III:

A. moderate sulfate resistance
B. high early strength
C. general purpose
D. low-heat of hydration

AnswerB. high early strength (type III) cement in a mix can achieve 2500-3500 psi compressive strength in 24 hours, speeding up removal of forms and the construction sequence.
ARE 4.0 exam prep: SS

Comments

Try These Too!

Calculate Luminance

A typical 60-watt standard frosted incandescent bulb outputs 890 lumens for an efficacy ratio of about 15 lumens per watt. As an A19, its shape is spherical. What is the its calculated luminance? A. 25,115 cd/in² B. 25.115 cd/ft² C. 25,115 cd/m² D. Indeterminate, missing variable. Answer If 1 candela (cd) = 4 ∏ lumens (lm), 890 x 1cd/4∏ = 71 cd, A19 = 19/8 = 2.375 in or 60mm diameter (= 30mm radius), L = intensity / projected area, 71 cd / ∏ r² = 71/ 3.14 x (.03m)² = 25,115 cd/m² ARE 4.0 exam prep: BS

Characteristics of form

Which example illustrates a regular ordering of elements producing RHYTHM? A B C D Answer Answer is C. A = proportion, B = symmetry, D = balance ARE 4.0 exam prep: PPP

Roof pitch

Which one of the following slopes in this illustration corresponds with an 8:12 pitch roof? A. 45° B. 36.87° C. 33.69° D. 26.57°