1. The electronic charts which are exact copies of paper charts and are produced by digital scanning are _______. (A) Vector charts (B) Electronic navigational charts (C) Raster charts (D) Intelligence charts

7. Please answer the questions by the following article : To ensure the effective implementation of the provisions of the ship security plan, drills should be conducted at least once every three months, in cases where more than 25 percent of ship's personnel that has not previously participated in any drill on the ship, within the last months, a drill should be conducted within one week of the change. These drills should test individual elements of the plan. If there are twenty crewmembers on your ship and three members have been changed at this port, the ship took place the drills last month, you should do ISPS drills _____. (A) within six months (B) within one week (C) within twenty-four hours (D) as usual

1. The electronic charts which are exact copies of paper charts and are produced by digital scanning are _______.
(A) Vector charts
(B) Electronic navigational charts
(C) Raster charts
(D) Intelligence charts

相關試題

相關試卷