Which statement about the use of portable electric lights in petroleum product tanks is TRUE?
A
The fixture must be explosion-proof and the line must have a ground wire.
B
They can be used only when the compartment is gas free.
C
They must be explosion-proof, self-contained, battery-fed lamps.
D
No portable electric equipment of any type is allowed.
E
İlgili Sorular
An implied warranty of seaworthiness on the part of the vessel's owner lies in the __________.The catenary __________.To ensure proper seating when closing a valve on a tank, the valve should be __________.Apparent wind speed blowing across a MODU under tow can be measured by a(n) ________________________...A schooner is a fore-and-aft rigged vessel with __________.