Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Mechanical Theory 1 > Theory 1 > Flashcards

Theory 1 Flashcards

1
Q

What is a system

A

Series of interconnecting pipes and components to deliver a substance from one point to another

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What’s an open system

A

Fluid is consumed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Closed system

A

Fluid is reused

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

3 ways to measure tanks

A

Sounding tube
Gauge glass
Contents gauge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Material used in the system depends on

A

Type of service applied
Operating temp
Material in system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Phosphor bronze use

A

HP sea water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Brass pipe use

A

Casting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Copper pipe use

A

Fresh water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Plastic pipe use

A

Sewage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Copper nikel

A

Lub oil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Gasket materials

A

NAF, paper, leather, cork, rubber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

3 types of seal

A

Mechanical seal
Keelering coupling
Gland packing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What do valves do

A

Valve control flow of a liquid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does a reducing valve do

A

Turns high pressure to low pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

2 types of Pump

A

Dynamic displacement

Positive displacement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Types of thermometers

A

Fixed brass
Pocket
Clock

17
Q

What do pressure control valves do

A

Maintain system pressure

18
Q

What does rod gearing do

A

Mechanical control from remote location

19
Q

What do accumulators do

A

Stores potential energy

Smooths out pulsations

20
Q

3 types of accumulators

A

Piston
Bag
bladder

21
Q

What is valve overlap

A

Both valves open while piston at TDC to promote airflow and get fresh air in and exhaust air out the cylinder

22
Q

Applications of diesel engines

A

Diesel generator
Propulsion
Air compressors
Fire pumps

23
Q

Coolant mix

A

Al 39 + fresh water, 50:50

24
Q

Piston rings uses

A

Compression
Prevent oil in combustion chamber
Transfers heat
Lubricate the liner

25
Q

What does crankshaft do

A

Turns reciprocating motion to rotary motion

26
Q

What does fly wheel do

A

Promotes smooth running of engine

Carries through non power strokes

27
Q

What does an injector do

A

Measured atomised fuel into top of cylinder

28
Q

What does relief valve do

A

Protects other components

29
Q

4 oil tests

A

Water in oil
Acidity/total base number
Viscosity
Insolubles

30
Q

Fuel system diagram components

A 
Service tank:
  Filling line 
  Strainer
  Vent
  Water drain

Lift pump
Dual Filters
Injector pump
Injectors

Change over cock

31
Q

Sea water cooler diagram

A 
Sea cock
Strainer
S.W pump
Lub oil cooler
Fresh water cooler
Engine block
  Sump 
  Strainer
  Relief valve
FW pump
Thermostat
Header tank

Mechanical Theory 1 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions