WorksheetsREVIEWER
Total questions: 70
Worksheet time: 12mins
Name
Class
Date
1.
The Brancas turbine is a type of:
a)
Wind turbine
b)
Steam turbine
c)
Gas turbine
2.
What is a steam wagon?
a)
A type of steam-powered vehicle
b)
A device used to generate steam
c)
A wagon used to transport steam engines
3.
The "Soyuz" rocket is commonly referred to as the "union" rocket and is associated with which space program?
a)
NASA
b)
ESA
c)
Russian Space Program
4.
A turbofan engine is a type of jet engine that:
a)
Uses a turbine to compress air for combustion
b)
Relies on the principle of ramjet propulsion
c)
Utilizes a large fan to generate thrust
5.
What is a pulsejet engine primarily known for?
a)
Creating a pulsating flow of exhaust gases
b)
Producing high-speed propulsion in supersonic aircraft
c)
Generating rotational power in industrial applications
6.
What does adding fuel to the high-temperature air inside the combustor cause?
a)
Compression of gas
b)
Ignition and expansion of the gas
c)
Cooling of the engine
7.
What forces the gas from the combustion chamber to the turbine stages?
a)
Rotation of the turbine blades
b)
Compressor stages
c)
Expansion of gas
8.
What causes the turbine blades to rotate?
a)
a) Exit velocity of gas
b)
b) Compression of air
c)
c) Rotation of the compressor stages
9.
How are each turbine stage and the compressors connected?
a)
Directly
b)
Through fuel nozzles
c)
They are not connected
10.
What does the power and thrust event produce?
a)
Lift for the aircraft
b)
Cooling for the engine
c)
Thrust for forward movement
11.
The inlet of an aircraft is responsible for bringing air into which system?
a)
Fuel system
b)
Propulsion system
c)
Navigation
12.
Which part of the aircraft does the nose inlet design involve?
a)
Tail section
b)
Wing roots
c)
Nose section
13.
Which type of aircraft inlet is ideal for twin-engine aircraft?
a)
Nose inlet
b)
Wing inlet
c)
Scoop type inlet
14.
What is the primary function of a flush type air inlet?
a)
Filtering air before entry
b)
Allowing entry of ram air
c)
Allowing entry of fresh air
15.
Which type of aircraft engine typically uses an annular air inlet?
a)
Turbojet
b)
Turboprop
c)
Ramjet
16.
What is the primary function of the compressor in a gas turbine engine?
a)
Increase fuel efficiency
b)
Increase the pressure of incoming air
c)
Generate electrical power
17.
Which component of the compressor rotates at a high speed to move air towards the combustor?
a)
Impeller
b)
Compressor case
c)
Turbine stage
18.
Which type of compressor is known for its compact size and lightweight design?
a)
Centrifugal compressor
b)
Axial compressor
c)
Combination compressor
19.
In a centrifugal compressor, what is the advantage of using a dual-stage impeller?
a)
Higher pressure rise
b)
Smaller mounting space
c)
Reduced axial thrust
20.
What is the primary purpose of a double-entry impeller in a compressor?
a)
Increase compressor efficiency
b)
Reduce centrifugal loads
c)
Improve heat dissipation
21.
Accessory Cooling circuits are required to cool which engine components?
a)
Fuel nozzles
b)
Electrical generator
c)
Temperature sensors
22.
The COMPRESSOR MAINFRAME SECTION is responsible for providing a mounting point for which type of sensors?
a)
Pressure sensors
b)
Temperature sensors
c)
Wind sensors
23.
The COMPRESSOR MAINFRAME SECTION serves as the main support of the engine. What is the purpose of this support?
a)
To provide structural integrity
b)
To enhance fuel efficiency
c)
To reduce noise levels
24.
What are the primary functions of the COMPRESSOR MAINFRAME SECTION that do not belong:
a)
Hold the hollow struts of the compressor rear end
b)
Supply fuel to the fuel nozzles
c)
Serve as the main support of the engine
25.
The COMPRESSOR MAINFRAME SECTION of an engine may also be called:
a)
Turbine Frame
b)
Compressor rear frame
c)
Fan Section
26.
In a gas turbine engine, the combustor is responsible for:
a)
Compression of air
b)
Mixing of fuel and air
c)
Exhaust of gases
27.
Which type of combustor has separate combustion zones arranged radially around the engine axis?
a)
Can Type Combustor
b)
Annular Type Combustor
c)
Can-Annular Combustor
28.
What is the purpose of cooling air in a Can Type Combustor?
a)
To increase fuel efficiency
b)
To reduce noise
c)
To keep the temperature of the cans low
29.
Which type of combustor has a continuous liner and casing in a ring?
a)
Can Type Combustor
b)
Annular Type Combustor
c)
Can-Annular Combustor
30.
Annular combustors are known for:
a)
Uniform combustion
b)
Longer length
c)
Higher weight
31.
The main advantage of an annular chamber over a tubo-annular system is
a)
Reduced weight and production cost
b)
Improved combustion efficiency
c)
Increased power output
32.
What is the purpose of secondary air in a Can-Annular combustor?
a)
To mix with fuel
b)
To cool the chamber
c)
To increase combustion stability
33.
Combustion stability refers to:
a)
The ability of the flame to remain alight
b)
Smooth burning over a wide operating range
c)
Efficient compression of air
34.
What are the challenges faced by combustion chambers?
a)
Corrosion, creep failure, and fatigue
b)
Compression, expansion, and combustion
c)
Cooling, mixing, and ignition
35.
What temperature range can the fuel burn in a typical commercial jet engine's combustion chamber?
a)
Up to 1000 degrees Celsius
b)
Up to 1500 degrees Celsius
c)
Up to 2000 degrees Celsius
36.
The turbine section of a gas turbine engine is responsible for:
a)
Producing electrical power
b)
Generating lift for the aircraft
c)
Producing usable output shaft power and driving the compressor and engine accessories
37.
Which component of the turbine section redirects the airflow from gases coming out of the combustor?
a)
Nozzle guide vanes
b)
Turbine discs
c)
Impulse blades
38.
In a gas turbine engine, a free-turbine turboshaft:
a)
Extracts power from the exhaust stream of a gas turbine using an independent turbine
b)
Relies solely on jet propulsion for thrust
c)
Has only one stage of rotating blades
39.
Blades of an impulse turbine are typically:
a)
Convex and shaped like airfoils
b)
Bucket-shaped
c)
Straight and flat
40.
Turbine discs in a gas turbine engine are usually manufactured from:
a)
Aluminum
b)
Carbon fiber
c)
Machined forging with an integral shaft or a shaft-flange combination
41.
According to the First Law of Motion, an object at rest tends to stay at rest, and an object in motion tends to stay in motion unless acted upon by an external:
a)
Force
b)
Energy
c)
Mass
42.
The Second Law of Motion states that the force acting on an object is equal to the mass of the object multiplied by its:
a)
Acceleration
b)
Velocity
c)
Momentum
43.
The Third Law of Motion states that for every action, there is an equal and opposite:
a)
Action
b)
Reaction
c)
Force
44.
Which principle relates to the increase in the speed of a fluid occurring simultaneously with a decrease in pressure?
a)
First Law of Motion
b)
Second Law of Motion
c)
Bernoulli's Principle
45.
Which law of motion states that an object at rest will stay at rest, and an object in motion will stay in motion unless acted upon by an external force?
a)
First Law of Motion
b)
Second Law of Motion
c)
Third Law of Motion
46.
Where are the fuel nozzles mounted in the engine?
a)
Main Frame
b)
Turbine rear frame
c)
Core nozzle section
47.
The Tower shaft or Radial Drive shaft is fitted with which type of gears at both ends?
a)
Spur gears
b)
Bevel gears
c)
Helical gears
48.
The LP compressor case is manufactured from how many assemblies?
a)
One
b)
Two
c)
Three
49.
The LP compressor case is designed to contain what component if released?
a)
Fan blade
b)
Turbine blade
c)
Compressor blade
50.
The COMPRESSOR MAINFRAME SECTION provides a mounting point for the engine to which structure?
a)
Pylon
b)
Wing
c)
Fuselage
51.
A turbofan engine is a type of jet engine.
(a)
52.
A turbojet engine operates on the principle of ramjet propulsion.
(a)
53.
A scramjet engine is designed for efficient operation at supersonic speeds.
(a)
54.
A pulsejet engine is capable of producing a continuous and smooth flow of exhaust gases.
(a)
55.
A ramjet engine requires a compressor for its operation.
(a)
56.
The angle of the inlet affects the flow of air into the engine during different phases of flight.
(a)
57.
The scoop type inlet is typically positioned at the center of the fuselage.
(a)
58.
The variable air inlet design adjusts the inlet area based on aircraft speed.
(a)
59.
A screened air inlet is commonly used in "All weather" helicopters to reduce engine noise.
(a)
60.
Variable inlet guide vanes are used to maintain compressor stability across different engine speeds.
(a)
61.
A single spool compressor has only one drive shaft and is driven by the last stages of the turbine section.
(a)
62.
A tri-spool compressor has three sets of compressor rotors, each driven by a separate drive shaft.
(a)
63.
The compressor rotor assembly consists of all the non-rotating parts of the compression section.
(a)
64.
Mounting pads are machined outside the structure of the COMPRESSOR MAINFRAME SECTION.
(a)
65.
The Tower shaft or Radial Drive shaft is a solid drive shaft.
(a)
66.
Turbine discs in a gas turbine engine are typically made of aluminum.
(a)
67.
Turbine nozzle vanes convert pressure energy into kinetic energy
(a)
68.
Reaction turbines are constructed with only moving blades.
(a)
69.
The number of turbine stages in a gas turbine engine is fixed and does not vary.
(a)
70.
Turbine blade tips may rotate at speeds over 1,000 feet per second.
(a)
100 %
