Rotary Week 2 Review
How does the rotor system continue to rotate during autorotation?
The engine starter motor must turn the transmission
The Rotor blades and mast must disconnect from the transmission
The Rotor blades and head must disconnect from the mast
The Engine must disconnect from the main rotor gearbox or transmission
How would a correctly executed power back autorotation decent be indicated during flight training on the dual tachometer gauge discussed in class?
The Power Turbine speed needle at 100% and the Main Rotor speed needle at 80%
Both needles would be at 100%
The Power Turbine speed needle would be at approximately 70% and the Main Rotor speed needle at 100%
The Power Turbine speed needle would be at 100% and the Main Rotor speed needle would be at zero
On a small piston helicopter that uses belt drive system, when will the rotor system drive not be driven by the engine output?
During engine start and hover
During engine start and any decent
During autorotation and hover
During engine start and autorotation
In the attached picture, what speeds do the T and R indicate that is on the two different needles of this tachometer?
R = Main Rotor, T = Tail Rotor
R = Main Rotor, T = Power Turbine
R = Rotary Compressor Turbine, T = Tail Rotor Turbine
R = Main Rotor, T = Compressor Turbine
How would an actual engine failure/shutdown be indicated during the autorotation decent on the dual tachometer gauge?
The T needle would be at zero and the R needle at 100%
The T needle would be at 100% and the R needle would be at zero
The T needle at 100% and the R needle at 80%
Both needles would be at 100%
During the piston engine start on a belt driven rotor system, what unloads the engine to allow the starter to turn the engine easier?
The free-wheeling unit
The sprag clutch assembly
The belt tensioner device
The free spinning turbine in the turbocharger that will normally drive the rotor system.
What device will disconnect the main rotor system from the engine during an Autorotation?
Transmission Lock-out actuator
A spline coupling release actuator
A gimbal ring assembly
A freewheeling unit
What causes the device used to engage the belt drive between the engine and rotor system
The pilot
An automatic centrifugal switch
A speed sensor
An electric timer powered through the start switch
What is the purpose of the centrifugal clutch on helicopters like the Bell 47 or the Eurocopter Gazelle?
To unload the engine during start-up
Change the gear ration inside the transmission
To load up the engine during shutdown
To allow for autorotation
What is a caution relating to start-up of a belt helicopter engine with the belt tensioner disengaged?
Overloading the engine during start causing it to stall
Over-speeding the engine during start due to an unloaded engine
Over-speeding the engine during start due to an over-loaded engine
Backfire of the engine due to light loads during start-up
On a belt driven helicopter, when does the operator engage the belt tensioner during the start sequence?
Before engaging the starter motor
As soon as the engine begins to fire
Once the engine reaches 15% idle rpm
Once the engine is running
On the Robinson R22, how are the belt tensions increased?
With a centrifugal clutch that increases the belt tension as the engine speeds up
With an idler pulley pushing against the belts to increase the belt tension acting on all three pulleys
The R22 is direct drive not belt drive
A clutch actuator that will increase distance between two pulleys or sheaves
On the Schweizer 300, how are the belt tensions increased?
With a centrifugal clutch that increases the belt tension as the engine speeds up
With an idler pulley pushing against the belts to increase the belt tension acting on all three pulleys
The 300 is direct drive not belt drive
A clutch actuator that will increase distance between two pulleys or sheaves
What causes the clutch shoes on the Bell 47, Hiller or Eurocopter Gazelle to engage during start?
Coriolis Force
Centrifugal Force
Spring Tension
Hydraulic Pressure
What is the compound used in the Hiller clutch assembly to provide mass inside the clutch shoes?
Liquid lead
Depleted Uranium
Mercury
Engine Oil
What holds the shoes of the clutch away from the drum on the Eurocopter Gazelle?
A lack of hydraulic fluid pressure
Spring tension
Centrifugal force
Hydraulic fluid pressure
When are the sprag units inside the freewheeling unit locked up between the inner and outer races of the freewheeling unit?
When the engine is turning the transmission
When the transmission is turning the engine
During autorotation
Never the sprag units must always be free to rotate
When the engine drives the transmission, what are the sprags doing inside the freewheeling unit?
They are straight up jammed between the inner and outer race causing them to both turn together
They are leaning over jamming between the inner and outer race causing them to both turn
The sprags are not in the freewheeling unit they are in the drive shaft couplings
They are spinning between the inner and outer race driving the transmission
Where does the oil com from to lubricate the freewheeling unit on the bell 206?
The engine oil system
A self-contained oil system within the freewheeling unit
The transmission oil system
The freewheeling unit does not require any oil
How do you inspect the freewheeling unit for damage in the field before flight?
Disassemble the freewheeling unit
Inspect the chip detector
The freewheeling unit is not inspected in the field
Carry out a spectrographic oil analysis
Which of the following is NOT a location for a freewheeling unit?
Inside the engine gearbox
Mounted onto the engine gearbox
Inside the transmission case
Inside the combining gearbox
What type of metal does the chip detector in the Bell 206 freewheeling unit pick up?
Aluminum
Non-ferrous
Ferrous
Non-magnetic
Where is the location of the freewheeling mechanism inside the Bell 47 transmission?
At the output of the transmission
At the input to the transmission
The Bell 47 it is belt driven there is no freewheeling mechanism
Between the first and second stage of planetary gears
What are the two types of freewheeling units?
Sprag and Ball Types
Sprag and Roller Types
Roller and Ball Types
Roller and Centrifugal Types
What are the purposes for the Main Rotor Gearbox Driveshaft?
Transfer torque from the engine and correct for misalignment and movement of the engine
Transfer torque from the transmission and correct for misalignment and movement of the engine
Transfer torque from the engine and correct for misalignment and movement of the transmission
Transfer torque to the engine and correct for misalignment and movement of the transmission
Where will you find lubrication requirements and intervals in the Aircraft Maintenance Manual for the drive belt pulleys?
Chapter 5
Chapter 12
Chapter 21
Chapter 62
What attaches directly to the engine output on the Bell 47 to drive the centrifugal clutch?
A geared adapter
A drum assembly
A spider assembly
A pulley assembly
What attaches the engine to the Mercury Clutch assembly and absorb torsional vibrations on the Hiller helicopter?
A torque converter
A spring loaded pulley assembly
A geared adapter
An elastomeric coupling
How is flexibility obtained on the Bell 206 Main Rotor Transmission Drive Shaft?
Spring Steel Plates at each end of the shaft
A Spherical Coupling gear riding on the splines inside the outer coupling at each end
A universal joint and gimbal assembly at each end of the shaft
Flexible stainless steel plates at each end of the shaft
What is the purpose of the flexible couplings at each end of the Bell 206 Main Rotor Transmission Drive Shaft?
Allow for momentary misalignment of the shaft caused by movement of the transmission
Allow for momentary misalignment of the shaft caused by movement of the engine
To allow for ease of installation of the driveshaft
What is the purpose of the coloured strips bonded to the surface of the flexible couplings at each end of the drive shaft?
Identify the type of grease used
Identify the date of manufacture of the coupling
Dynamic balance of the drive shaft
Indicate an overheat condition has occurred
How is flexibility obtained on the Hughes/MD 500 Main Rotor Transmission Drive Shaft?
Circular spring steel plates welded together at each end of the shaft
A Spherical coupling gear riding on the splines inside the outer coupling at each end
A universal joint and gimbal assembly at each end of the shaft
Flexible stainless steel plates at each end of the shaft
How do they attach the flexible plates together on the Hughes 500 drive shaft?
They glued the edges around the circumference together
They rivet the two plates together around the circumference
They electron beam welt the two plates together around the circumference
They bolt the two plates together around the circumference
On the Eurocopter AS 350 Astar & AS 355 Twinstar, how does the driveshaft assembly correct for movement of the transmission?
A universal joint or gimbal attached between the engine and the coupling housing
A universal joint or gimbal attached between the transmission and the coupling housing
A universal joint or gimbal at each end of the coupling housing
Because it is a fully articulated rotor head, there is no movement to deal with on this transmission
On the Eurocopter AS 350 Astar & AS 355 Twinstar, which end of the inner drive shaft has a flexible coupling assembly to accommodate for deflections of the transmission?
The engine end has the flexible coupling
Both ends require a flexible coupling
Neither end requires a flexible coupling
The transmission end has the flexible coupling
On the Eurocopter AS 350 Astar & AS 355 Twinstar, what provides the flexible coupling on the internal driveshaft between the engine and main rotor transmission?
Spring Steel Plates at each end of the shaft
A Spherical Coupling gear riding on the splines inside the outer coupling at each end
A universal joint and gimbal assembly at each end of the shaft
Flexible stainless steel plates between the two splined flanges
Due to the use of the Allison 250-C20 Free-power turbine engine, what device not required to be included in the powertrain of this helicopter?
A Freewheeling Unit
Gear Reduction
A Centrifugal Clutch
A Drive Shaft
In which ATA chapter will you find the Aircraft Servicing Requirements?
Chapter 4
Chapter 5
Chapter 12
Chapter 62
How does the Kaman K-Flex drive shaft modification eliminate the problem that caused Bell 206 driveshaft failure accident discussed?
Uses a much better and longer lasting
Uses oil to lubricate the couplings
The couplings are Teflon coated
The couplings use flexible metal straps no lubrication required
In a case such as the K-Flex coupling modification, where will you find any maintenance requirements for such a modification?
In an amendment to the aircraft maintenance manual relating to the new product published by the aircraft manufacturer
In the Instructions for Continuing Airworthiness published by the holder of the Supplemental Type certificate for the modification
In an amendment to the aircraft maintenance manual relating to the new product published by the holder of the Supplemental Type Certificate
There are no requirements published, you will just have to use the AC 43:13 as a reference for repair
A the modification discussed is a major modification as defined by the regulations, in accordance with these regulations what has to be accomplished?
AME must sign a return to service statement for the major modification
AME must apply for a new Certificate of Airworthiness for the major modification
Learner/apprentice can sign the Maintenance Release for this type of modification
AME must complete and submit reporting form for the major modification to Transport Canada
What does Bell Helicopters call out for to lubricate the Original Bell 206 Main Rotor Transmission Drive Shaft Couplings?
Bell Special Purpose Grease
Engine Oil
Transmission Oil
Teflon Coating
How would a correctly executed power back autorotation be indicated during flight training on the dual tachometer gauge discussed in class?
The turbine speed needle at 100% and the main rotor speed needle at 80%
Both needles would be at 100% during decent
The Turbine speed needle would be at 70% and the main rotor speed needle at 100% during decent
The Turbine speed needle would be at 100% and the main rotor speed needle would be at zero during decent
Where does the oil come from to lubricate the freewheeling unit on the Bell 206?
The engine oil system
A self-contained oil system within the freewheeling unit
The transmission oil system
The freewheeling unit does not require any oil
Where will you find the freewheeling mechanism within the Bell 47 transmission?
At the output of the transmission
At the input to the transmission
The Bell 47 it is belt driven there is no freewheeling mechanism
The ring gear of the first stage of planetary gears
What are the purposes for the Main Rotor Gearbox Driveshaft during normal operation?
Transfer torque from the engine and correct for misalignment and movement of the engine
Transfer torque from the transmission and correct for misalignment and movement of the engine
Transfer torque from the engine and correct for misalignment and movement of the transmission
Transfer torque to the engine and correct for misalignment and movement of the transmission
On the euro copter AS 350 Astar and The AS 355 twin star, which end of the inner driveshaft has a flexible coupling assembly to accommodate for deflection of the transmission?
A universal joint or a gimbal attached between the transmission and the coupling housing
A universal joint or gimbal attached between the engine and the coupling housing
Because it is a fully articulated rotor head, there is no movement to deal with on this transmission
A universal joint or gimbal at each end of the coupling housing
{"name":"Rotary Week 2 Review", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"How does the rotor system continue to rotate during autorotation?, How would a correctly executed power back autorotation decent be indicated during flight training on the dual tachometer gauge discussed in class?, On a small piston helicopter that uses belt drive system, when will the rotor system drive not be driven by the engine output?","img":"https://www.quiz-maker.com/3012/CDN/93-4551014/tachometer.png?sz=1200"}
More Quizzes
1050
Operations Leadership Offsite: Pre-Work Quiz
11616
Courier-Journal Celebrity Voter Registration Quiz
100
Lac operon
210
TYLER
1050
What Kind of Coffee are You?
940
Fdafadff
4229
Hari's Life
520
Ex Dx ped P101 to 148
48240
Jamal
15812
Who really knows me?
10511
How to use Hack for Merge Dungeon - Free Diamonds on iOS/Android-- GET IT HERE NOW ----
Merge Dungeon Cheats is a tool for hot new game. Merge Dungeon Cheats are the best cheats on the internet. Why? Because It has all you need to become the best player in Merge Dungeon alive. Yeah thats right, you can download it now on our site and become the best in just a few moments and all of that is for free. Use this great new version of Merge Dungeon Cheats to add amazing new elements to the gameplay of Merge Dungeon. Get unlimited free Diamonds just like you always wanted. Use your new powers to get free Diamonds in Merge Dungeon and much much more. For example you can also Unlock Everything and get free Diamonds how much you want. Follow this Merge Dungeon Guide and you will not have any errors when using this Cheats. Have I mentioned one of the biggest strengths of this Merge Dungeon Cheats. That is it's safety. Many critical systems have been upgraded for this version of the Cheats. Log cleaner, Anti Ban and Proxy System have all received vital upgrades and will guard your device from bans and tracks so you can generate free Diamonds freely. So what do you think about Merge Dungeon hack tool? Downloading it wil get you unlimited Diamonds so what are you waiting for. Read instructions below they are importent. Beta testers will get premium access to all hack tool we create. Thanks again you are the reason we create hack tools heart emoticon !!!
If you have any problems trying to activate and use our Merge Dungeon Hack Tool than read below what I have to say and follow the instrucions. First you must make sure that all applications and games have been closed on your device. After that you must navigate to the Merge Dungeon Online Hack page by clicking on the appropriate button on this site. Before you start genearting items and resources, you need to make sure that you have closed the game on your device. Enter your username or email address. Make sure you don't make any spelling mistakes while entering it. You will see empty fields where you have to enter desired amount of Diamonds that you would like to add to your Merge Dungeon account. Now you only have to click Generate and wait a few seconds. After that is done you might be asked to prove that you are human and not a spammer. You might gat asked to do it in a variety of ways such as captcha, email confirmation etc. After you prove that you are human your items will be added to your Merge Dungeon account.
Merge Dungeon 2020 hack Diamonds
Merge Dungeon 2020 mod apk
Merge Dungeon hack Diamonds
Merge Dungeon hack no survey
Merge Dungeon cheats
Merge Dungeon 2020 hack apk ios
Merge Dungeon 2020 hacks
Merge Dungeon 2020 online hack
Merge Dungeon 2020 cheats
new hack for Merge Dungeon
Merge Dungeon 2020 hack Diamonds
Merge Dungeon hacks
Merge Dungeon 2020 cheat
100