Weld slag chippers and needle scalers are typically _____

Mudsills used to support shores must be sound and _____.

a. rigid b. smooth c. dense d. flexible

Concrete slump is determined by measuring the distance between the sagged top of a molded concrete sample and _____.

a. the bottom of the concrete sample after it has spread out over a five-minute period b. the surface of the bleed water that has collected inside the cone mold c. the bottom of the tamping rod that was placed across the cone mold above the sample d. a predetermined mark on a volumetric sight glass placed beside the sample

A motor will not start when power is applied. If the belt is removed, the pulley spun, and power applied, and the motor continues to run, the first part to check is the _________________________.

Fill in the blank(s) with the appropriate word(s).

A disadvantage of PVC plastic pipe is that it _____

A) has a limited life span B) can be weakened by chemicals C) is sensitive to sunlight D) is heavy