The subsequent problems, each of which is independent of the others, deal with the figure below,
If the NC switch is up (i.e., in the position shown) while the NO button is pressed down and released, what is the final value of X
A. it is definitely 1
B. it depends on the previous history of the switch and button states
C. it is definitely 0
Answer: C
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Una eslinga de malla de metal debe descartarse si la abra- sión ha provocado una reduc- ción del _____ por ciento del diámetro del alambre.
a. 5 b. 10 c. 25 d. 30
Convert a manometer reading of 12 inches Hg into pounds per square inch (psi).
A. 6 psi B. 14.7 psi C. 24 psi D. 101.3 psi
The ____________________ bit of the TON instruction is true when the accumulated value equals the preset value, and the rung remains in the true condition.
Fill in the blank(s) with the appropriate word(s).
When checking hydrants to ensure their effectiveness, firefighters should look for all of the following conditions except:
A. obstructions erected near the hydrant that interfere with its operation. B. outlets facing the proper direction with sufficient clearance to the ground. C. components not damaged and all parts operating properly. D. the Post Indicator Valve is fully closed.