單項(xiàng)選擇題Argon is classified as a().

A.corrosive
B.flammable gas
C.flammable liquid
D.nonflammable gas


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題As a general rule, tally clerks should make their tallying().

A.in waerhouses
B.on deck
C.ashore
D.in the tallyroom

2.單項(xiàng)選擇題As the displacement of a vessel increases, the detrimental effect of free surface().

A.increases
B.decreases
C.remains the same
D.may increase or decrease depending on the fineness of the vessel's form

3.單項(xiàng)選擇題As the temperature for a given mass of air increase, the().

A.dew point increase
B.dew point decreases
C.relative humidity increases
D.relative humidity decreases

4.單項(xiàng)選擇題Assuming an even transverse distribution of weight in a vessel, which condition could cause a list?().

A.Empty double-bottoms and lower holds, and a heavy deck cargo
B.Flooding the forepeak to correct the vessel's trim
C.Having KG smaller than KM
D.Having a small positive righting arm

5.單項(xiàng)選擇題At all angles of inclination, the metacenter is().

A.vertically above the center of buoyancy
B.vertically above the center of gravity
C.at the intersection of the upright vertical centerline and the line of action of the buoyant force
D.at the geometric center of the underwater volume