What is the period of validity of the SOLAS required Ca……

单项选择题To determine what navigation lights and day-shapes must be displayed on mobile offshore drilling units under tow，you should check the（）.

A.American Bureau of Shipping classification rules
B.International Regulations for Preventing Collisions at Sea
C.Safety of Life at Sea Convention
D.Minerals Management Service rules

单项选择题To determine the number of portable fire extinguishers required on an inspected vessel，you should check the（）.

A.hot work permit
B.Certificate of Inspection
C.Safety of Life at Sea Certificate
D.station bill

单项选择题To determine the number of portable fire extinguishers required on an inspected vessel，you should check the（）.

A.hot work permit
B.Certificate of Inspection
C.Safety of Life at Sea Certificate
D.Muster List

单项选择题To determine the number of inflatable liferafts required on a vessel，you should check the （）.

A.Load Line Certificate
B.SOLAS Certificate
C.Stability Letter
D.Certificate of Inspection

单项选择题To determine the number of certificated lifeboatmen required on a vessel，you should check the （）.

A. Load Line Certificate
B. Certificate of Inspection
C. Safety of Life at Sea Certificate
D. operations manual