A personal fall arrest system should be inspected monthly by a _____
a. co-worker
b. state safety inspector
c. project manager
d. competent person
d
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Which of these is NOT a proper time to apply the parking brakes?
a. If you are going to test the parking brake to make sure that it holds the vehicle. b. If you will be stopping for only one hour. c. If the brakes are very hot (e.g Just after coming down a steep grade.)
?Chemical resistance tests of selected plastics shows that ____ is only slightly affected by strong acids.
A. ?polyamide B. ?acetal C. ?melamine D. ?acrylic
The minimum service entrance disconnecting means rating for a single-family home permitted by the NEC® is __________ amperes.
a. 60 b. 75 c. 100 d. 200
An A/D converter has a binary input of 0010 and an analog output of 20 mV. What is the resolution?
A) 100 mV B) 1 mV C) 10 mV D) 20 mV