Basic Systems Flashcards

1
Q

What is the definition of a System

A

A system is a series of interconnecting pipes and connections that will deliver a substance from one point to another

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2
Q

What is a Open Loop system

A

A system where the working fluid is consumed

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3
Q

What is a closed loop system

A

A system where the working fluid is re-uses

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4
Q

Give an example of an open loop system

A

Fuel system, fresh water drinking system, salt water cooling system

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5
Q

Give an example of a closed loop system

A

Fresh water cooling system, lube oil system

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6
Q

What are the 3 Tanks and what are they used for?

A

Header Tank: Used a reservoir to top up a tank or system
Drain Tank: Used to collect oil returning from a system and act as a reservoir
Service Tank: Used as a reservoir of clear, water free fuel

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7
Q

What are the 3 Tank Gauges?

A

Contents Gauge
Gauge Glass
Sounding Tube

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8
Q

What is a strainer for?

A

Used to remove large course particles

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9
Q

What is a filter used for ?

A

To remove small fine particles

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10
Q

What determines the type of pipe work used ?

A

The fluid in the system
The temperature and pressure of the fluid
Types of materials in the systems

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11
Q

What do we use Phosphor Bronze for ?

A

High Pressure salt water

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12
Q

What do we use copper for ?

A

Domestic fresh water

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13
Q

What pipe would we use for Lube Oil

A

Copper Nickel

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14
Q

What pipe do we use for castings ?

A

Brass

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15
Q

What would we use Plastic pipes for

A

Sewage, waste systems and pre wet

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16
Q

Name 6 different Valves

A

Globe valve, gate valve, flap valve, relief valve, reducing valve, no return valve, control valve, rove, ball seated cock

17
Q

What valve would you use to prevent over pressurisation

A

Relief valve

18
Q

What is a reducing valve used for ?

A

Reduced pressure for part of a system

19
Q

What valve would you use to reduce reverse flow

A

No return valve

20
Q

What type of pump is a centrifugal

A

Dynamic displacement pump

21
Q

Give an example of a positive displacement pump

A

Gear Rotary Pump, Piston Pump

22
Q

What is the pressure and flow of a Dynamic Displacement Pump

A

High Flow, low pressure

23
Q

What is the pressure and flow of a positive displacement pump

A

Low flow, high pressure

24
Q

Name the 2 Pressure/ Vacuum Gauges

A

Manometer and Bourdon Tube

25
What do you use to measure rotational speed
Tachometer
26
What are the 3 types of thermometer
Clock/ Dial Face, Standard Pocket and Brass Fitted
27
What are the 5 things hint Thermo
``` Pressure / Vacuum Gauges, Thermometers, Tachometers, Flow Meters, Volt Meters ```
28
What seal would you use for a rotating shaft
Mechanical Seal
29
What is a Accumulator and what does it do
It is a pulsating vacuum that stores energy and releases it when required
30
What are the 2 categories of filters
Absorbent and Metallic
31
What makes up a metallic filter
Metal Wire, Wire Mesh, steel wool
32
What makes up absorbent filters
Paper, wool, sponge