When an OSHA-required safety device fails during a lift, the operator is directed to _____.
a. continue until the lift is complete
b. release the host reeving
c. bring the operation to a safe halt
d. lower the boom to a horizontal position
c. bring the operation to a safe halt
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Listed on the MSDS, the ____ is the maximum amount of exposure during a 15-minute period in one 8-hour workday.
A. permissible exposure limit (PEL) B. threshold limit value (TLV) C. short-term exposure limits (STEL) D. upper explosive limit (UEL)
What is the uptime command used for?
What will be an ideal response?
Pressure switches are the only pressure sensing devices that an electrician is likely to encounter on the job.
Answer the following statement true (T) or false (F)
What is meant by the term "detent"?
A. slow motion of a contact to ensure good electrical contact B. rapid making and breaking of a contact C. the compensation furnished by heaters in the thermostat D. the control of the blower in the air handler