Basic Systems

Question 1

What is the definition of a System

Answer 1

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

Question 2

What is a Open Loop system

Answer 2

A system where the working fluid is consumed

Question 3

What is a closed loop system

Answer 3

A system where the working fluid is re-uses

Question 4

Give an example of an open loop system

Answer 4

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

Question 5

Give an example of a closed loop system

Answer 5

Fresh water cooling system, lube oil system

Question 6

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

Answer 6

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

Question 7

What are the 3 Tank Gauges?

Answer 7

Contents Gauge
Gauge Glass
Sounding Tube

Question 8

What is a strainer for?

Answer 8

Used to remove large course particles

Question 9

What is a filter used for ?

Answer 9

To remove small fine particles

Question 10

What determines the type of pipe work used ?

Answer 10

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

Question 11

What do we use Phosphor Bronze for ?

Answer 11

High Pressure salt water

Question 12

What do we use copper for ?

Answer 12

Domestic fresh water

Question 13

What pipe would we use for Lube Oil

Answer 13

Copper Nickel

Question 14

What pipe do we use for castings ?

Answer 14

Brass

Question 15

What would we use Plastic pipes for

Answer 15

Sewage, waste systems and pre wet

Question 16

Name 6 different Valves

Answer 16

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

Question 17

What valve would you use to prevent over pressurisation

Answer 17

Relief valve

Question 18

What is a reducing valve used for ?

Answer 18

Reduced pressure for part of a system

Question 19

What valve would you use to reduce reverse flow

Answer 19

No return valve

Question 20

What type of pump is a centrifugal

Answer 20

Dynamic displacement pump

Question 21

Give an example of a positive displacement pump

Answer 21

Gear Rotary Pump, Piston Pump

Question 22

What is the pressure and flow of a Dynamic Displacement Pump

Answer 22

High Flow, low pressure

Question 23

What is the pressure and flow of a positive displacement pump

Answer 23

Low flow, high pressure

Question 24

Name the 2 Pressure/ Vacuum Gauges

Answer 24

Manometer and Bourdon Tube

Question 25

What do you use to measure rotational speed

Answer 25

Tachometer

Question 26

What are the 3 types of thermometer

Answer 26

Clock/ Dial Face, Standard Pocket and Brass Fitted

Question 27

What are the 5 things hint Thermo

Answer 27

Pressure / Vacuum Gauges,
Thermometers,
Tachometers,
Flow Meters,
Volt Meters

Question 28

What seal would you use for a rotating shaft

Answer 28

Mechanical Seal

Question 29

What is a Accumulator and what does it do

Answer 29

It is a pulsating vacuum that stores energy and releases it when required

Question 30

What are the 2 categories of filters

Answer 30

Absorbent and Metallic

Question 31

What makes up a metallic filter

Answer 31

Metal Wire, Wire Mesh, steel wool

Question 32

What makes up absorbent filters

Answer 32

Paper, wool, sponge