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Study sets matching "hydraulic"

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Study sets matching "hydraulic"

42 terms
Hydraulic
Extra high pressure hose is used in a…
The most common type of media for cour…
Viscosity affects the fluids _____ abi…
Fluid always follows the path of??
5000psi
Surface media
Sealing
Least resistance
Extra high pressure hose is used in a…
5000psi
The most common type of media for cour…
Surface media
77 terms
Hydraulic
1 cools and lubricates the bit and dri…
in parellel
The pumps operate at eh same pressure…
Over come frction inside the pipe, BHA…
What are 4 function of drilling mud?
How are mud pumps placed on a drill rig??
What does it mean to have the mud pumps placed in parellel?
What does the pressure the pumps give need to do?
1 cools and lubricates the bit and dri…
What are 4 function of drilling mud?
in parellel
How are mud pumps placed on a drill rig??
34 terms
Hydraulic
Purpose of seals
Seals are divided into 3 main classes…
Define packing
O rings
To contain fluid in their appropriate location
Packing ... Gaskets ... Wipers
Are made of synthetic or natural rubber
2 way seals... Prevent internal and external leakage
Purpose of seals
To contain fluid in their appropriate location
Seals are divided into 3 main classes…
Packing ... Gaskets ... Wipers
25 terms
Hydraulic
How many hydraulic systems are install…
What is the function of the pressurize…
Where is the hydraulic system status m…
How many hydraulic systems power the p…
Three independent hydraulic systems.
Pressurized fluid powers the primary and secondary flight con…
The primary, status and hydraulic system synoptic pages.
Primary flight controls are powered by three hydraulic system…
How many hydraulic systems are install…
Three independent hydraulic systems.
What is the function of the pressurize…
Pressurized fluid powers the primary and secondary flight con…
15 terms
Hydraulic
Vent
Reservoir
Pump
Snubber
Allows air to enter an escape the reservoir
Stores hydraulic fluid
Provides fluid flow not pressure
Protects the transmitter or gauge from pressure surges
Vent
Allows air to enter an escape the reservoir
Reservoir
Stores hydraulic fluid
27 terms
Hydraulic
How many systems are there?
What does each system consist of?
Where are the main pumps located?
How are main pumps cooled and lubricated
Two independent main hydraulic systems
Engine driven hydraulic pump... Standby hydraulic pump... Fluid res…
Mounted on the rear face of the propeller reduction gearbox
System hydraulic fluid
How many systems are there?
Two independent main hydraulic systems
What does each system consist of?
Engine driven hydraulic pump... Standby hydraulic pump... Fluid res…
71 terms
Hydraulics
Pressure is created by
What causes fluid flow
The application of the properties of l…
Small input force applied to a fluid w…
Resistance to flow
Differential in pressure
Hydraulics
Force multiplication
Pressure is created by
Resistance to flow
What causes fluid flow
Differential in pressure
11 terms
HYDRAULIC
No
ACW power (AUX PUMP DC)
3000 psi
dampen pump pulsations and surges. ... 0.…
Is the hydraulic tank pressurized?
How are the hydraulic pumps powered?
Normal operating pressure
Power accumulator is used to ...
No
Is the hydraulic tank pressurized?
ACW power (AUX PUMP DC)
How are the hydraulic pumps powered?
22 terms
Hydraulic
Primary Hydraulic System operates what…
When checking the hydraulic service ba…
Main system pressure
Engine driven pump, order of distribut…
Flaps... Speed Brake... NWS... Landing Gear and ... Main gear inboard doors
When the green rod is out of either green marked area
3,000 +/- 120 PSI
1) Reservoir in power package... 2) Individual selector valves i…
Primary Hydraulic System operates what…
Flaps... Speed Brake... NWS... Landing Gear and ... Main gear inboard doors
When checking the hydraulic service ba…
When the green rod is out of either green marked area
11 terms
Hydraulic
How often are hydraulic hoses installe…
Shelf life for pre-constructed hydraul…
What date is placed on the hose tag?
What type of hydraulic oil is used in…
Every 5 years
10 years on shelf... 8 years inside
Replacement date.
Petroleum based.
How often are hydraulic hoses installe…
Every 5 years
Shelf life for pre-constructed hydraul…
10 years on shelf... 8 years inside
70 terms
Hydraulic
Pascals law
Pascal law only applies when ?
Force ?
Area ?
When a force is applied to a confined liquid the resulting pr…
A fluid is at rest or practically at rest
A push or pull pressure applied to an entire surface of an ob…
The entire surface of an object to which force is being appli…
Pascals law
When a force is applied to a confined liquid the resulting pr…
Pascal law only applies when ?
A fluid is at rest or practically at rest
11 terms
HYDRAULIC
HOMANY GALLONS OF HYDRO DO WE HOLD?
WSHOULD THE GAUGE READ IN THE HELL HOL…
WHEN DOES THE PRESSURE SWITCH SWITCH O…
NORMAL HYDRAULIC PRESSURE SHOULD BE ?
1.9 GALLON RESEVOIR
750 PSI
1150 PSI SHUTS OFF AT 1250 PSI
1550 PSI
HOMANY GALLONS OF HYDRO DO WE HOLD?
1.9 GALLON RESEVOIR
WSHOULD THE GAUGE READ IN THE HELL HOL…
750 PSI
31 terms
Hydraulic
1.describe how to vary the volume disc…
2.casing obstructions in radial Piston…
3.what is the purpose of the casing dr…
4.what is the purpose of the tilting b…
Vary the speed of the motor
Volume decrease
Prevent damage due to agitation and overheating
Change the delivery rate
1.describe how to vary the volume disc…
Vary the speed of the motor
2.casing obstructions in radial Piston…
Volume decrease
10 terms
hydraulic
If either System "A" or System "B" is…
The following components are powered b…
The following components are powered b…
An engine-driven hydraulic pump suppli…
True
True
True
Four.
If either System "A" or System "B" is…
True
The following components are powered b…
True
8 terms
Hydraulic
Reservoir holds how much
How much does the does the entire syst…
Where is the hydraulic pump located
When will the HYD filter pop
5.3 pints
10 pints
sump case of the transmission
70 +/- 10 psi
Reservoir holds how much
5.3 pints
How much does the does the entire syst…
10 pints
85 terms
Hydraulics
ANSI & NFPA
ANSI symbols are for showing ___ not ___
Functions of Hydraulic Fluid
The hydraulic fluid must be as ___ as…
American national standards institute ... National Fluid Power…
Function, not construction
Transmit power... Lubricate... Seal... Cool
Incompressible as possible
ANSI & NFPA
American national standards institute ... National Fluid Power…
ANSI symbols are for showing ___ not ___
Function, not construction
74 terms
Hydraulics
State the principles of hydraulics as…
Transmission of force
Characteristics of Hydraulics (Benefits)
Disadvantages of Hydraulics
The movement of units (landing gears, wing flaps, control sur…
When the end of a solid bar is struck, the main force of the…
Extremely efficient, Weight, Maintenance, and it can provide…
Leakage and Contamination
State the principles of hydraulics as…
The movement of units (landing gears, wing flaps, control sur…
Transmission of force
When the end of a solid bar is struck, the main force of the…
50 terms
Hydraulics
Fluid
Blaise Pascal
Pressure
Pressure
What does a hydraulic system use as the medium through which…
Who first formulated that 'a change in pressure at any point…
Pascal's can be used as a unit of measurement for __________?
_____________ is force per unit of area.
Fluid
What does a hydraulic system use as the medium through which…
Blaise Pascal
Who first formulated that 'a change in pressure at any point…
62 terms
Hydraulics
viscosity
internal resistance
viscometers or viscosimeters
ignite momentarily or flash
One of the most important properties of any hydraulic fluid i…
Viscosity is ____ to flow.
The instruments used to measure the viscosity of a liquid are…
Flash point is the temperature at which a liquid gives off va…
viscosity
One of the most important properties of any hydraulic fluid i…
internal resistance
Viscosity is ____ to flow.
82 terms
Hydraulics
What is the approximate height of the…
In the English system of measurement,…
What standard temperature is used when…
What device is used for measuring the…
30 inches, or 76 centimeters
Pounds per cubic foot
4°C
Hydrometer
What is the approximate height of the…
30 inches, or 76 centimeters
In the English system of measurement,…
Pounds per cubic foot
Hydraulics
System Pressue Relife Valve
Pressure Relief Valve
Pressure filter assembly
pump pressure check valve
Distributes pressurized fluid to system component and prevent…
Relieves excessive pressure to system return
Filters forward from engine driven hydraulic pump, hydraulic…
Revents emergency hydraulic pump or test and pressure from mo…
System Pressue Relife Valve
Distributes pressurized fluid to system component and prevent…
Pressure Relief Valve
Relieves excessive pressure to system return
10 terms
Hydraulics
Liquids are virtually incompressible
Because liquids are incompressible and…
A balloon filled with water is squeeze…
Pressure can be transmitted throughout…
You cant squash them. There volume and density stay the same.
A force is applied to one point in the liquid will be transmi…
The force applied at the top of the balloon is transmitted to…
Pressure in a liquid is transmitted equally in all directions.
Liquids are virtually incompressible
You cant squash them. There volume and density stay the same.
Because liquids are incompressible and…
A force is applied to one point in the liquid will be transmi…
82 terms
hydraulics
What are two classes of seals
Actuating cylinder end caps are secure…
2 classes of hydraulic pump
Pascals law
Gaskets and packings
Safety wire, lock rings, set screw
Constant and variable
Pressure exerted on an enclosed liquid is transmitted equally…
What are two classes of seals
Gaskets and packings
Actuating cylinder end caps are secure…
Safety wire, lock rings, set screw
79 terms
Hydraulic Fundamentals
Hydraulics
Liquids
Incompressible
Reservoir
Technology or study of liquid pressure and flow.
Materials that pour and conform to the shape of their contain…
Liquids easily transfer and multiple forces because they are…
Holds the oil in the Power Unit.
Hydraulics
Technology or study of liquid pressure and flow.
Liquids
Materials that pour and conform to the shape of their contain…
63 terms
Hydraulics
Components of a Hydraulic Jack
Hydraulic components
Hydraulics advantages
disadvantages
MARCH manual by pass valve, actuating cylinders, reservoir, t…
landing gear, wing folding mechanisms, bomb bay doors, wing f…
efficient, smooth uniform action, light weight and easy to ma…
leakage and contamination
Components of a Hydraulic Jack
MARCH manual by pass valve, actuating cylinders, reservoir, t…
Hydraulic components
landing gear, wing folding mechanisms, bomb bay doors, wing f…
83 terms
hydraulics
hydraulic units
transmission of force
hydraulic units advantages
hydraulic units disadvantages
landing gear, wing flaps, control surfaces, wing-folding mech…
applied to end, main force carried to other end
weight, action, maintenance, efficient
leakage, contamination
hydraulic units
landing gear, wing flaps, control surfaces, wing-folding mech…
transmission of force
applied to end, main force carried to other end
41 terms
Hydraulics
Actuator
Liquid
force
Pascals
The power output device of a hydraulic system
hydraulics uses a(n) _______ to transmit power
Pressure is a measure of ______ intensity
The units of pressure measurement used in the S.I. system
Actuator
The power output device of a hydraulic system
Liquid
hydraulics uses a(n) _______ to transmit power
43 terms
Hydraulics
AL
EL
FL
TFL
Appliance loss
elevation loss
Friction loss
total friction loss
AL
Appliance loss
EL
elevation loss
29 terms
Hydraulics
hand help tips, psi?
master stream appliances and combo noz…
a gallon of water weighs?
how many gallons of water in a cubic f…
50
100
8.5 pounds
7.5 gallons
hand help tips, psi?
50
master stream appliances and combo noz…
100
63 terms
hydraulic Symbols
2 Way, 2 Position Directional Control…
3 Way, 2 Position Directional Control…
4 Way, 2 Position Directional Control…
4 Way, 3 Position Directional Control…
2 Way, 2 Position Directional Control…
3 Way, 2 Position Directional Control…
85 terms
Hydraulics
ANSI & NFPA
ANSI symbols are for showing ___ not ___
Functions of Hydraulic Fluid
The hydraulic fluid must be as ___ as…
American national standards institute ... National Fluid Power…
Function, not construction
Transmit power... Lubricate... Seal... Cool
Incompressible as possible
ANSI & NFPA
American national standards institute ... National Fluid Power…
ANSI symbols are for showing ___ not ___
Function, not construction
62 terms
Hydraulics
5 basic components of hydraulic systems
Power input device
control devices
Power output device
power input device, control devices, power output device, con…
pump that provides hydraulic power to system
valves control direction, pressure and flow rate of pressuriz…
hydraulic power converted to mechanical power - devices calle…
5 basic components of hydraulic systems
power input device, control devices, power output device, con…
Power input device
pump that provides hydraulic power to system
9 terms
Hydraulics
The hydraulic system on the P-3c are c…
How many pounds of fuel does it take a…
Pascal's law states
How many pumps does the P-3c have all…
Heat trasfer when hot hydraulic fluid passes through lines in…
1000 pounds of fuel
The pressure exerted anywhere upon an enclosed liquid is tran…
(4 pumps)... 3 electrically (AC) driven hydraulic pumps... One el…
The hydraulic system on the P-3c are c…
Heat trasfer when hot hydraulic fluid passes through lines in…
How many pounds of fuel does it take a…
1000 pounds of fuel
66 terms
Hydraulics
Pressure absolute
Pressure atmosphere
Hydrostatic Force
Archimedes principle
Pabs=Patm+Pgage
Patm=101.325KPa
PH=U(h)(A)... e=Ig/(Ay)... sinB=h/y
BF=W=U(Vs)
Pressure absolute
Pabs=Patm+Pgage
Pressure atmosphere
Patm=101.325KPa
8 terms
Hydraulics
Hydraulics
Water pressure
.433psi
Static water pressure
Behavior of water both at rest and in motion
Force that moves water through pipes and is directly related…
The amount of water that 1 foot column of water exerts
Calculated when water is standing still usually about 65 psi
Hydraulics
Behavior of water both at rest and in motion
Water pressure
Force that moves water through pipes and is directly related…
29 terms
Hydraulics
Engine driven pumps maintain ____PSI
Total system capicity
Emergency Hydraulic Crossover Valve sy…
Normal Hydraulic Pressure
3025 +/-25 psi
45 gpm
Landing Gear... Main Flaps... Alternate ARR... Powered Rudder
3025 psi
Engine driven pumps maintain ____PSI
3025 +/-25 psi
Total system capicity
45 gpm
14 terms
Hydraulics
Ph2o 1,000
Ph20 1.94
Ph2o 62.4
Kinematic Viscosity
kg/m^3
slugs/ft^3
lbm/ft^3
V = u(mew)/density (roh)
Ph2o 1,000
kg/m^3
Ph20 1.94
slugs/ft^3
13 terms
Hydraulics
Hydraulics
Conservation Laws
Bernoulli Equation
Hydraulic Radius (Rh)
the study of the practical laws of fluid flow and resistance…
A1v1 = A2v2... Q = Av [flow rate] [MGD]... m(dot) = pQ = pAv
an energy conservation equation that is valid for incompressi…
Rh = cross-sectional area / wetted perimeter... = hydraulic dia…
Hydraulics
the study of the practical laws of fluid flow and resistance…
Conservation Laws
A1v1 = A2v2... Q = Av [flow rate] [MGD]... m(dot) = pQ = pAv
12 terms
Hydraulics
How many hydraulic systems?
Hydraulic system pressure
Which hydraulic pump is powered by the…
What aircraft systems are hydraulicall…
3 independent systems designated system 1, 2, and 3.
3000 PSI
Pump 3B is automatically powered during AC power failure, by…
Rudder, Elevators, Ailerons, Spoilerons, Flight Spoilers, Whe…
How many hydraulic systems?
3 independent systems designated system 1, 2, and 3.
Hydraulic system pressure
3000 PSI
Hydraulics
Vegetable Base
Mineral or Petroleum Base
Poly Alpha Olefin base
Phosphate Ester base
7644
5606
83282
8446
Vegetable Base
7644
Mineral or Petroleum Base
5606
25 terms
hydraulics
reservoir
capacity
fluid quantity gauge
fluid thermometer
stores fluid for hydraulic sys.... supplies pressurized hydrauli…
A SYS- 370cu in... B SYS- 800cu in
indicates in percent from 0-100
measures fluid temp
reservoir
stores fluid for hydraulic sys.... supplies pressurized hydrauli…
capacity
A SYS- 370cu in... B SYS- 800cu in
14 terms
Hydraulics
Reynolds Number
Bond Number
Weber Number
Froude Number
Intertial/Viscous = ULρ/μ
Gravitational/Surface = mg/σL
Inertial/Surface = U^2ρL/σ
Inertial/Gravitational = U/sqrt(gL)
Reynolds Number
Intertial/Viscous = ULρ/μ
Bond Number
Gravitational/Surface = mg/σL
29 terms
Hydraulics
Hydraulic pumps:
In the event of an AC power failure, P…
Shutoff valves installed upstream of e…
System No. 1
Main pump (A) - Normal power... Back-up pump (B) - Supplementary…
True
True
-RUDDER... -ELEVATOR... -L AIL... -OB SPLRON... -OB FLT SPLRS... -OB GND SPL…
Hydraulic pumps:
Main pump (A) - Normal power... Back-up pump (B) - Supplementary…
In the event of an AC power failure, P…
True
19 terms
Hydraulics
1 cubic foot of water
Find psi at bottom of a water column
1 Gallon of water
1 psi =
1728 cubic "... 62.5 lbs... 7.5 gal
H x .434... H / 2.3 = psi
8.35 lbs... 231 Cubic inces
2.3 feet of water head... 2.042 " HG
1 cubic foot of water
1728 cubic "... 62.5 lbs... 7.5 gal
Find psi at bottom of a water column
H x .434... H / 2.3 = psi
14 terms
Hydraulics
Resevoir, pump, regulator, valve, actu…
Pressurized or Unpressurized
Rotary piston
Spur gear gerotor vane piston
Compenents of a hyd ststem
Resevoir either
Variable pump
Constant pump
Resevoir, pump, regulator, valve, actu…
Compenents of a hyd ststem
Pressurized or Unpressurized
Resevoir either
Hydraulics
Vent and Supply tank
Pumps and motors
Rotary screw type pumps
Location of rotary screws
Reservoir for oil
Pressurize and move hydraulic oil throughout the system
Ships service, steering, and diving hydraulic pumps
In the vent and supply tanks
Vent and Supply tank
Reservoir for oil
Pumps and motors
Pressurize and move hydraulic oil throughout the system
63 terms
hydraulic Symbols
2 Way, 2 Position Directional Control…
3 Way, 2 Position Directional Control…
4 Way, 2 Position Directional Control…
4 Way, 3 Position Directional Control…
2 Way, 2 Position Directional Control…
3 Way, 2 Position Directional Control…
16 terms
Hydraulics
Nozzle Pressure for handheld Tip
Nozzle pressure for master stream with…
Nozzle Pressure for Combination Nozzle
FL for Master stream
50 PSI
100 PSI
100 PSI
25 PSI
Nozzle Pressure for handheld Tip
50 PSI
Nozzle pressure for master stream with…
100 PSI
18 terms
Hydraulics
What four systems are hydraulically po…
What Are Accumulators
2 pumps that move the fluid
Actuators
Flaps... Landing Gear... Brakes ... Nose Wheel Steering
They store the fluid under pressure, this pressure is nitroge…
Main Pump and Hand Pump (standby pump)
They move the actual flaps or landing gear
What four systems are hydraulically po…
Flaps... Landing Gear... Brakes ... Nose Wheel Steering
What Are Accumulators
They store the fluid under pressure, this pressure is nitroge…
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