問題詳情
7. You serve on a gas carrier and slip tube was used for gauging liquid cargo level. What isthe slip tube gauge classed?
(A) Indirect devices.
(B) Closed devices – penetrate the tank.
(C) Closed devices – not penetrate the tank.
(D) Restricted devices.
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)