單項選擇題

Individual wires，used in systems greater than 50 volts,（）.

A.should be supported at 24 inch intervals with plastic tie wraps
B.should never be located in a tank
C.must be installed in conduit
D.All of the above

你可能感興趣的試題

單項選擇題

Increasing the number of slack liquid tanks has the effect of raising the（）.

A.uncorrected KG
B.maximum allowed KG
C.virtual height of the center of gravity
D.metacentric height

單項選擇題

In which case is the IOPP Certificate of an inspected vessel NOT invalidated? （）

A.The required oily-water separator malfunctions
B.The ship is transferred to Liberian registry
C.An annual survey is conducted fifteen months after the date of certificate issuance
D.A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator

Individual wires，used in systems greater than 50 volts,（）.

你可能感興趣的試題

Increasing the number of slack liquid tanks has the effect of raising the（）.

In which case is the IOPP Certificate of an inspected vessel NOT invalidated? （）

Individual wires，used in systems greater than 50 volts,（）.