An air contaminant that cannot be filtered out through normal mechanical filtration is
A) sawdust B) pollen C) virus D) mold spores
C
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Using leader lines and labels, identify the following window elements in the sketch below: (i) stool, (ii) apron, (iii) glazing stop, (iv) jamb extension, (v) trim, (vi) weather-stripping, (vii) window head, (viii) window sill, and (ix) sealant and backer rod. (Note: To shorten the question, the Instructor may delete some items or convert into two questions with repeat sketch.)
El concreto verde recibe esta denominación por su _____.
a. uso b. color c. curado incompleto d. capacidad de moldeado
While having a discussion, Technician A says that a backfire is an explosion that occurs in the intake system. Technician B says that a popback is an explosion that occurs in the exhaust system. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Slip-fit bearings are often installed _____
A) by hand B) using heat and pressure C) with a hydraulic press D) with an arbor press