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Pumping Systems, Operations. Test 1

Online Maritime Tests > Tests > Pumping Systems, Operations. Test 1

Pumping Systems, Operations. Test 1

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What kind of heat exchanger is drawn here ?

Question Image

A finned bank block heat exchanger.
A single flow pipe tube heat exchanger.
A plate battery heat exchanger.
A double flow or loop flow tube heat exchanger.

Where would you always find Screw Down Non-Return valves fitted?

As ballast tank valves.
As fuel tank valves.
As fire main isolating valves.
As bilge suction valves.

What is the name and function of the gate valve 'BV' ?

Question Image

Main bunker valve, separates bunker manifold from Engine Room.
Bunker valve, separates bunker manifold from deeptank.
Main bunker valve, separates double bottom tanks.
Bunker valve, separates suction and discharge manifold.

What is part number 3?

Question Image

The primary pump
The suction filter.
The purifier.
The clarifier.

Why is an isolating valve fitted on the fire main from the engine room?

To isolate the engine room and enable the emergency fire pump to supply the deck.
To isolate the pump for repairs.
To maintain pressure on the fire main with the pump not running.
In case there is a fire restricted to the engine room.

How does a 'quick closing' valve operate?

An independent mechanism closes the valve.
The valve can only be opened and closed hydraulically.
The valve bridge is collapsed remotely allowing the valve to close.
A retaining collar is released allowing the valve to close.

From the following pump capacities, which would be most suitable for the domestic fresh water system?

20 m3/hour x 25 metres.
40 m3/hour x 55 metres.
5 m3/hour x 50 metres.
0.5 m3/hour x 40 metres.

In the pump illustrated what separates the suction and discharge pressures?

Question Image

The pump body seal.
The pump body cover seal.
The mechanical seal.
The mouth ring.

What part number is the pump shaft ?

Question Image

Number 5.
Number 2.
Number 4.
Number 1.

Reciprocating pumps are most suited to pumping which medium?

Liquids having high air content.
Transferring liquids at very high flow rates.
Liquids mixed with solids.
Pumping liquids against a high head pressure.

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Pumping Systems, Operations. Test 1

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