For the purposes of personnel hoist platform design, a guard rail is defined as a(n) _____.
a. top rail about waist height
b. intermediate rail about knee height
c. combination of a solid, perforated, or expanded-mesh metal barrier and toe board
d. combination of a top and intermediate rail with the lower barrier and toe board
d. combination of a top and intermediate rail with the lower barrier and toe board
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The navy of which western power ended Japan’s self-imposed isolation from the rest of the world in 1853?
a. United States b Britain c. France d. Russia
Technician A says that electric cooling fans do not control engine temperature as precisely as an engine driven fan with a thermostatic fan clutch. Technician B says that some electric cooling fans use pulse width modulation to control airflow across the radiator coils. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Three major losses occur in transmission lines: copper, radiation or induction, and ______________
A. electric B. dielectric C. power D. voltage
When 1 C of charge passes through the cross section of a conductor in 1 s, the current is said to be 1 A
Indicate whether the statement is true or false