stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Propellers Unit 1 Flashcards | StudBud
Explore
/
Propellers Unit 1
Propellers Unit 1
34 terms
·
StudBud Administration
·
30 plays
Imported from external platform
Flashcards
34 cards
F
Practice quiz
P
Host live
L
Questions
34
Answers
1
Which forces or combination of forces moves the blades of a constant-speed counterweight propeller to the High Pitch
Centrifugal force acting on the counterweight
engine oil pres on the propeller piston & centrifugal frce on cntr weights
Engine oil pressure acting on the propeller piston-cylinder arrangement
2
On the pt-6 engine, in the beta range, blade angle information is provided to the propeller governor by what assembly?
Beta feedback ring
Follower sleeve
Beta tube
3
Hartzell, non-counterweighted, propellers use oil pressure to increase blade angle and _________ to decrease blade angle
centrifugal twisting force
centrifugal force
centrifugal force acting on counterweights
4
An aircraft operating in the beta range
is used to produce zero or negative thrust.
refers to the most fuel-efficient pitch range to use at a given engine RPM
is used to achieve maximum thrust during takeoff.
5
What is the primary purpose of the metal tipping covering the blade tips and leading edge of a wood propeller blade?
to prevent impact damage to the tip and leading edge of the blade
to increase the longitudinal strength of the blade
to increase the lateral strength of the blade
6
There are approximately one million of which animals living in Austrailia?
Great White Sharks
Camels
Tasmanian Tigers
Zebras
7
The centrifugal twisting forces acting on a propeller blade is
greater than aerodynamic twist force and moves the blade to a lower angle
greater than aerodynamic twist force & moves the blade to a higher angle
less than the aerodynamic twist force & moves the blade to a lower angle
8
The controls for a typical TPE-331 turboprop installation consist of
power lever, speed lever
power lever, propeller lever, condition lever
throttle, propeller lever, mixture
9
During the springtime, why is the day longer than the night?
Because of how the Earth tilts towards the sun
Because of the pollen in the atmosphere
Because the Earth stops rotating
Because of how quickly the sun orbits the Earth
10
In Austrailia they are able to eat their two national animals- the kangaroo and _______?
dingo
koala
tazmanian devil
emu
11
How are the blades held in the hub of a McCauley constant-speed threadless series propeller?
solid retainer ring
retention nut
split retainer ring
12
Which of the following is NOT a spring flower?
roses
daffodils
tulips
lilacs
13
What do the movies
Palm Springs
and
Groundhog Day
have in common?
The movies are about groundhogs
Characters are forced to relive the same day over and over
They are based in California
The main character gets turned into an animal
14
A propeller classified as a cruise propeller is most likely to be further classified as a ___________ type of propeller.
Constant speed
Variable geometry
Fixed pitch
15
The Hartzell constant speed prop that uses oil pres to decrease blade angle & counterweights to increase blade angle is
steel hub counterweight model.
direct drive model
non-counterweight
16
High and low pitch stops on a constant-speed propeller define the propellers
dome operation range
range of operation
constant-speed range
17
In the movie
Cars
, Radiator Springs becomes deserted because ___ ?
most of the cars moved West
the city kept losing races
a highway was built around it
a new mayor took over the city
18
High-pitch in a propeller is normally used for
Take off and climb
Cruise
Both a and b
19
Trivia Question: How many continents are there in the world?
4
3
7
9
20
The primary purpose of a cuff on a propeller is to
Strengthen the propeller
increase the flow of cooling air to the engine nacelle
distribute anti-icing fluid
21
At speeds below flight idle the propeller blade angle is controlled by the
power lever
speed lever
propeller lever
22
The Hartzell propeller systems identified by its exposed operating mechanism is the
fixed
steel hub
compact
23
What operational force causes propeller blade tips to lag in the opposite direction of rotation?
Torque-bending
Thrust-bending
Centrifugal-twisting
24
The two types of McCauley constant-speed propellers are the
steel; composite
threaded; threadless
aluminum; composite
25
The propeller blade angle is defined as the acute angle between the airfoil section chord line and the
Relative wind
Plane of rotation
Propeller thrust line
26
General Trivia: What is the smallest country in the world?
Maldives
Luxembourg
Malta
Vatican City
27
During the on-speed condition of a propeller, the
speeder spring is less than the centrifugal force on the gov flyweights
centrifugal force of the gov flyweights is equal to speeder spring force.
centrifugal force on the governor flyweights is greater than speeder spring
28
The component on which the blades are mounted in a Hamilton-Standard propeller is known as the
blade retaining ring
hub assembly
spider assembly
29
Where are the high and low pitch stops on a Hamilton- Standard Hydromatic propeller located?
In the dome assembly
In the counterweight assembly
In the hub and blade assembly
30
What is the first day of spring also called?
opening day
Good Friday
summer solstice
vernal equinox
31
Which of the following characteristics is/are shared by both counterweight and two-position propellers?
Pilot selects RPM & the propeller changes pitch to maintain selected RPM
Blade angle changes are accomplished by the use of two forces
An infinite number of blade angles leads to greater efficiency
32
The ______________________ is identified as the cambered or curved side of a propeller blade?
blade face
blade leading edge
blade back
33
The thrust produced by a rotating propeller is a result of
an area of decreased pressure immediately in front of the propeller blades
an area of low pressure behind the propeller blades.
the angle of relative wind and rotational velocity of the propeller
34
Austrailia is famous for animals like koala bear , emu , __________
Kookabura
Black buck
Kokkabura
Elephant
