What are the four major factors affecting the bond strength of mortar?
What will be an ideal response?
The major factors affecting the bond strength are (1) the characteristics (strength) of the masonry units; (2) quality of the mortar; (3) workmanship of the mason; and (4) curing conditions.
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(a) How many equivalent {111}<110> slip systems are there in the fcc lattice?
(b) Indentify each system by writing out its slip plane and slip direction indices.
Identify the axiom or postulate that applies to the following statement. If m = n, then m- z = n- z
Fill in the blank(s) with the appropriate word(s).
An oxygen sensor is being tested using a digital storage oscilloscope (DSO). A good oxygen sensor should display how many switches per second?
A) 1-5 B) 10-15 C) 5-10 D) 15-20
An air contaminant that is most difficult to remove through common filtration methods is:
A) Mold spores B) Pollen C) Virus D) Sawdust