MCA SV Auxiliary Equipment Part 1 Practice Questions - MCA Small Vessel Engineering - Auxiliary Equipment Part 1 (Qualifications Scotland SQA Written Examination) Exam

A simple plug cock controls flow by:

Lifting a disc straight off a seat with a screw stem Rotating a tapered or cylindrical plug with a port through its body Pinching a flexible elastomer tube between two jaws Sliding a wedge between two seats in the line of flow

Correct Answer:

Rotating a tapered or cylindrical plug with a port through its body

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