On board small passenger vessels, ducts for compartments§which contain gasoline powered machinery or gasoline storage§tanks ________________.
A
must not allow any appreciable vapor flow except through their normal openings
B
must be of rigid, permanent construction
C
must lead as directly as possible and be properly fastened and supported
D
All of the above
E
İlgili Sorular
When a warm air mass is adjacent to a cold air mass, the separation line between the two is called a...The elevating system of the COASTAL DRILLER is normally limited to ________.What time of day would an SSB radio have the longest transmitting range?Most enclosed lifeboats will right themselves after capsizing IF the _________.What is used to eliminate the 180° ambiguity when taking an RDF bearing with a rotating loop antenna...