单项选择题
A. Bitumen is used in bilges and peak tanks. B. Paint is used in bilges and peak tanks. C. Bitumen is used in bilges and double bottom tanks .D. Varnish is used in bilges and peak tanks.
A. The principal protective coating is paint. B. The principal protective coating is cement wash. C. The principal protective coating is bitumen. D. The principal protective coating is varnish.
A. The chief officer is responsible for the overall maintenance of the deck department. B. The second officer is responsible for the overall cleaning of the deck department. C. The third officer is responsible for the overall maintenance of the deck department. D. The chief officer is responsible for the overall cleaning of the deck department.