When adjusting limit and torque switches, special precautions must be taken because the procedures ________.
A) can easily cause large pipeline ruptures
B) are delicate and can easily destroy the limit or torque switches
C) must be done with the electrical power on
D) require all pipeline operations to come to a complete stop
[Ques. 2] You must ________ when making electric actuator/operator stop adjustments.
A) contact the One-Call system B) notify the control center
C) consult with the E&I department D) consult the manufacturer
[Ques. 3] Acetylene should never be used:
A) Above 15 psi. B) Below 20 psi. C) Above 20 psi. D) Below 15 psi.
[Ques. 4] Acetylene tanks should always be stored and transported:
A) In a safely secured horizontal position.
B) Upright and safely secured in a vertical position.
C) In such a manner as to safely store or transport the greatest number of cylinders possible.
D) Upright, but at an angle of no more than 45 degrees and safely secured.
[Ques. 5] Electric actuators/operators on quarter-turn valves are designed with a(n) ________ gear.
A) adjustable B) travel C) quadrant D) circular
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