ASTM specifications classify masonry mortar into Type M, Type S, Type N, and Type O. The mortar can be specified based on the volume proportions of its three ingredients (Portland cement, lime, and sand) or based the mortar's strength. Which of the two specification methods?proportion specification or strength specification?is commonly used?
What will be an ideal response?
Proportion specification.
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What will be an ideal response?
When traveling in an all-terrain crane, the boom should be positioned _____.
a. in line over the front and secured for travel b. facing towards the front of the crane at a 10-degree angle c. facing towards the rear of the crane at a 10-degree angle d. extended one-third of its maximum length towards the front
Eddy current loss in a transformer is ________
A) another name for flux leakage loss B) caused by rapid reversal of the magnetic field C) caused by the resistance of the wire D) due to current flowing in the core
How many standard-size bricks rounded up to the nearest whole brick are needed to cover the riser and tread surfaces of a flight of 4 concrete stairs if each tread measures 12" deep by 48" wide and each riser is 8" high? (Refer to the diagram on page 63 in the book.)
What will be an ideal response?