Which of the following treatment methods is used to minimize hardness of the water?
a. softeners
b. neutralizing tanks
c. activated charcoal filters
d. manganese oxidizing filters
ANSWER: a
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Types of light horses include riding, racing, ____________________, driving, all-purpose, and miniature.
Fill in the blank(s) with the appropriate word(s).
Technician A says when performing a shock absorber manual test, the shock absorber's resistance to movement may be greater on the rebound stroke compared with the compression stroke. Technician B says if the shock absorber's resistance to movement is jerky and erratic, shock absorber replacement is necessary. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
In standard relay control systems, a(n) ____________________ control is often used to control power to the entire circuit or just to selected rungs.
What will be an ideal response?
Which type of standard TTL circuit allows several devices to be connected to its output simultaneously?
A) a 7476 flip-flop B) a Schmitt trigger circuit C) a 7404 inverter D) No standard TTL circuit can do this.