Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Aki's TRL > QMED > Flashcards

QMED Flashcards

1
Q

A selector valve is also known as a

A

Spool

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

Most large vessel steering system uses

A

Hydraulics for Rudder movement

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

According to NFPA signage “Red” means:

A

Fire

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

International convention for the prevention of pollution:

A

MARPOL 73/78

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

Violations of US environmental laws, US Mariners license can be suspended by:

A

US Coast Guard

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

Chemical data guide for bulk shipment by water is published by:

A

US Coast Guard

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

Acute exposure means:

A

Immediate contact

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

Component that enables the air compressor to start and come up to speed before compression begins:

A

Unloader

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

Prevents the refrigeration system from overheating:

A

Water failure

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

The bond on a grinding wheel describes its

A

Hardness

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

What are best examples of SafeGuards ?

A

Interlocks, Lock-Ins, Lockouts, Isolations

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

Vertical distance from the pump to the discharge level:

A

Discharge head

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

Protects the bearing housing if water leaks from the pump packing gland:

A

Water seal

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

Rotary pumps are what type of pumps

A

Positive displacement pump

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

It is the boundary and serves as a water box for fluid before and after entering the tubes

A

Head

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

“False” With regards to maximum allowable unsupported tube Length in HX is dependent on the tubes

1) diameter
2) material
3) thickness
4) Elasticity

A

Elasticity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

HX tube are attached to

A

Tube sheets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Type of fitting that should not be used in systems that will be disturbed and subject to flexing or bending, Containing hot fluid or toxic gases

A

Compression fittings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Distance between the journal and the bearing inner diameter

A

Diametrical clearance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Converts hydraulic to mechanical energy, single or double acting, and is equipped with a cylinder with close fitting assembly

A

Actuator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What schedule are High pressure pipe

A

Schedule 120

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Electronic component found in HVAC/R Controls that changes resistance due to change in temperature

A

Thermistor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Restriction to threaded tubing and pipe joint when the diameter is less than

A

2 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

This sealing material is selected based on chemical compatibility temperature pressure of the system it serves

A

O-Ring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Very short pipe or tube with socket on both ends joining two pipes or tubes by welding brazing or soldering
Coupling
26
It is best suited for use on flammable liquids
Aluminum
27
It is important factor in the lubrication of ball in roller bearings as well as gear meshes:
Boundary lubrication
28
It joins a pipes internal thread to external threads
Bushing
29
Upper fluid boundary around a pumps shaft
Gland
30
Spool shaped drum fitted on a winch:
Gypsy head
31
What pump experience where compared to other pumps
screw pump
32
The component that engages and disengages the winch drum, allows slippage to prevent exceeding clutch ratings, automatically engages when power is turned off to the winch motor
Clutch
33
It can operate in either direction, forward or reverse of the windlass Direction:
Wildcat
34
Quantity flowmeters our devices that measure the amount of fluid that passes and establish point
True
35
Bearing surface material is Softer than the moving component so that the bearing material becomes wearable material (will wear before the moving component). Many bearings are made of alloy of lead, bronze, brass called:
Babbitt
36
Rigid bushing or sleeve type bearings are generally used in
Small auxiliary machinery Pumps,compressors, blowers, and others
37
Color for hydraulic oil
Orange
38
Color for feed water
Dark blue
39
Color for condensate
Light blue
40
A pump that is self priming with low volume, has Has wear on pump parts and not practical for a very high or very low viscosity fluid
Screw pump
41
An electrically driven centrifugal pump takes a suction from the Final stage distiller condenser is called:
Distillate pump
42
It transmits and electrical signal corresponding to a mechanical as the Helmsman turns the wheel
Synchro transmitter
43
Prior to getting underway what test are generally conducted
Steering test
44
High pressure air are categorized by
1000 psi
45
Medium pressure air are categorized by
150 psi - 1000 psi
46
Low pressure air are categorized by
150 psi
47
What will cause automatic compressor shut down
High frame oil temperature, Low frame oil temperature, Thermal motor overload (Electric motor driven compressors)
48
It prevents water from entering into the ventilation they operate like baffle
Airlifts
49
Federal hazardous material classes are:
CFR 49
50
Material safety data sheet (MSDS) | Means written or printed material concerning a hazardous chemical which is prepared in accordance with:
CFR 29
51
Chemical manufacturers or importers shall either provide the MSDS with the shipped containers MSDS publisher:
Manufacture
52
How does a resistance thermometer work?
It’s operating principle Is that the electrical resistance of metals varies with temperature
53
Resistance thermometers Uses wires that are made out of What kind of metals
Nickel Copper Tantalum
54
A needle valve may also be used in piping system Requiring:
Find adjustment in Fluid flow
55
Rigid bushing or sleeve type bearings Are most often used in:
Small auxiliary machines
56
The volute on a centrifugal pump causes fluid pressure to
Decrease
57
Rudder Angle Indicator Accuracy check are done during:
While inspecting the steering gear at sea
58
When are steering gear test conducted
Prior to getting underway
59
Duel electro-hydraulic Steering units Usually operates:
With one pump on standby
60
What is the Characteristics Of a rotary Centrifugal Compressor
Generates large volume of air at low pressure

Aki's TRL (4 decks)

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