What is the purpose of the relief valve of a cargo pump ________．
A. Provides for the removal of vapors
B. Allows two or more tanks to be filled at the same time
C. Provides for the emergency shutdown of the pump
D. Permits the return of cargo to the suction side of the pump
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What is NOT listed as a synonym for crude oil in the Chemical Data Guide ________．
A. Rock oil
B. Mineral oil
C. Seneca oil
D. Earth crude
What is NOT required to be contained in the oil transfer procedures ________．
A line diagram of the vessel's oil transfer piping
B. The number of persons on duty during oil transfer operations
C. Any special procedures for topping off tanks
D. The location and capacity of all fuel and cargo tanks on the vessel
Valves on steam-smothering lines to cargo tanks shall be set with ______．
A. The master control valve shut and valves to individual cargo tanks shut
B. The master control valve open and valves to individual cargo tanks shut
C. The master control valve shut and valves to individual cargo tanks open
D. All valves open
What is NOT a requirement of cargo piping installed in tank vessels carrying grade D or E
A. The cargo piping system shall be fixed
B. Flanged joints shall be used for pipe sizes exceeding 2 inches in diameter
C. Piping through bunker spaces may be run through a pipe tunnel
D. Connections at bulkheads must be made so that the plating does not form part of a flanged joint
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