BAPO 101-200

Front

Which of the following general class of pump(s) is not self-priming and cannot prime itself when a suction lift exists?

Back

Centrifugal pump

Front

With respect to impellers, centrifugal pumps have which of the following classifications? Single stage only, Mechanically sealed, Single & multi-stage, Horizontal or vertical

Back

Single & multi-stage

Front

Which of the following general pump class types is ideally suited to pump water, specifically for most shipboard sea water and fresh water applications? Diaphragm pump, Rotary pump, Reciprocating pump, Centrifugal pump

Back

Centrifugal pump

Front

An axial flow/propeller pump would most likely be used in which of the following applications? Potable water system, Ballast system, Fire main system, Main circulating sea water system

Back

Main circulating sea water system

Front

In which application(s) is a sea water operated jet pump most likely to be used? Eductor, Fire pump, Ballast pump, Main circulating sea water pump

Back

Eductor

Front

Aboard ship, which of the following pumps will most likely be a propeller-type pump? Options: A hydraulic transmission pump, A main condenser circulating pump, A steering gear pump, A fuel booster pump

Back

A main condenser circulating pump

Front

Which of the following terms is/are common to all types of pumps? Power end and fluid end, Propeller and eductor, Volute vane impeller, Turbine and piston

Back

Power end and fluid end

Front

What unit of measurement is used to express positive and negative suction heads respectively?

Back

Feet of water / Hg”

Front

The generic starting procedure for a rotary pump is followed correctly in which of the following statements? Open the suction valve, start the pump, then slowly open the discharge valve, Open the discharge valve, start the pump, then slowly open the suction valve, Open the suction and discharge valves, then start the pump, Start the pump, then open the suction and discharge valves

Back

Open the suction and discharge valves, then start the pump

Front

In mechanical seals, a snug fit is maintained between the rotating and stationary seal by what means?

Back

Spring pressure and system pressure