When performing overhead work on scaffolding, what protective measures must be taken to prevent objects
from falling and striking a person below?
a. Fall arrest systems are used.
b. Alarm systems should be enabled.
c. Toeboards, debris nets, or canopies must be applied.
d. Warning tags are posted on the scaffold.
c
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Describe the welds required (if any) to join A2 to A5.
Review drawing number 523879C0A and then answer the question.
Any time a crane is traveled on sloping ground without a load, the boom should be carried _____.
a. perpendicular to the crane center line b. on the downhill side of the crane c. parallel to the crane center line d. as vertical as possible
What type of sensor is used by the adaptive cruise control system to maintain set vehicle-to-vehicle distance?
What will be an ideal response?
In a series RLC circuit at resonance:
A) the impedance Z is at minimum. B) the impedance is mostly resistive. C) XC equals XL and they cancel. D) all of these.