A mat of reinforcing bars used in a slab is usually supported above the subgrade at a distance of _____
a. 3 inches
b. 4 inches
c. 5 inches
d. 6 inches
a
You might also like to view...
When rigging a load, the center of gravity must be placed _____.
a. directly above the hook b. directly below the hook c. between the hook and the nearest outrigger d. between the hook and the load destination
A major advantage of using synthetic oil is its ability to _______
A) Absorb moisture B) Reduce engine life C) Increase engine cranking torque D) Remain fluid at very low temperatures
A modulus-100 counter is constructed by
A) connecting two binary counters. B) cascading two decade counters. C) cascading two 4-bit binary counters. D) connecting many counters.
Conventional disposable filters do a good job of protecting the furnace and air distribution system from
accumulating dust and _____. a. dirt b. smoke c. pollen d. spores