单项选择题
A.locked cabinet in the machinery space
B.unlocked cabinet in the machinery space
C.separate and accessible location
D.location near a fire hydrant
单项选择题 Each fire pump on a tanker must have a pressure gauge located at（）.
单项选择题 During oil transfer operations，who is responsible for ensuring that the posted transfer procedures are followed?（）.
单项选择题 Chemical Tankers are generally referred to the cargo ships constructed or adapted and used for the carriage of（）.