The boat is stowed on the davit rather than on a cradle with which type of davit?（）

The holding capability of an anchor is primarily determined by the（）.

If a gasoline engine turns over freely but will not start，the cause is generally（）.

An example of a modern anchor which has a stock is a(n)（）.

In ship construction，keel scantlings should be the greatest（）.

The series of valves used to control the return flow in well control operations is called the（）.

All electrical appliances aboard a vessel should be grounded to（）.

Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.

As oil pipe line connections were broken，（）quantity of oil was caused to spill onto the wharf and into the dock water.

In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.