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WorksheetsQUIZ_STUDY
Total questions: 50
Worksheet time: 13hrs 30mins
According to Bernoulli’s Principle, what happens when fluid velocity increases?
Pressure decreases
Pressure increases
Temperature decreases
Mass increases
Which is NOT a function of a rocket system?
Propulsion
Friction
Payload delivery
Guidance
Newton’s first law of motion is also known as the law of what?
Momentum
Inertia
Action-reaction
Acceleration
What does the momentum equation p=mvp = mv relate?
Force and mass
Energy and velocity
Mass and velocity
Distance and time
Momentum in an isolated system is conserved if which condition is met?
Gravity is present
No external forces act on the system
Mass is variable
Friction is present
What is the relationship expressed in the ideal gas law?
F=maF = ma
PV=nRTPV = nRT
P=mv2P = mv^2
KE=12mv2KE = \frac{1}{2}mv^2
The Venturi Effect describes what phenomenon?
Fluids flowing faster in constricted areas
Fluids slowing down in wide areas
Heat transfer in fluids
Pressure increasing with velocity
What does specific enthalpy measure?
Total volume of a system
Energy within a system per unit mass
Kinetic energy of a fluid
External force on a system
Mass flow rate is calculated using which variables?
Density, area, velocity
Mass, energy, velocity
Volume, density, energy
Pressure, temperature, area
What generates thrust in a rocket engine?
Increasing velocity of air
Expelling exhaust gases
Decreasing friction
Increasing fluid density
Which mechanism is critical for slowing a spacecraft during reentry?
Acceleration
Thrust
Drag
Deceleration
The rocket equation includes which variables?
Δv,ve,m0,mf
F,m,a
KE,PE,m
P,V,T
Combustion chambers are designed for what purpose?
To regulate satellite communications
To burn fuel and generate high-pressure gases
To control temperature within a spacecraft
To house payload systems
What are the main propulsion types?
Chemical, electric, hybrid
Solar, nuclear, electric
Combustion, thermal, fluid
Aerodynamic, ion, vacuum
What is a sidereal day?
The time it takes for the moon to orbit Earth
Earth’s rotation relative to the sun
Earth’s rotation relative to stars
The length of one solar orbit
Verification ensures a system is what?
Functional during testing
Built correctly
Environmentally friendly
Sustainable in design
Validation ensures a system does what?
Operates without redundancy
Meets intended mission objectives
Reduces failure probability
Increases satellite lifespan
What are the primary functions of spacecraft payloads?
Mass distribution, orbital alignment, stability
Data collection, communication, navigation
Energy generation, thrust, fuel storage
Structure management, design, safety
Attitude determination and control subsystems help with what?
Deploying communication systems
Maintaining spacecraft orientation
Protecting the spacecraft during launch
Regulating energy flow
What property of waves does NOT change during propagation?
Amplitude
Velocity
Frequency
Wavelength
What type of sensors detect reflected energy?
Active sensors
Passive sensors
GPS sensors
Antennas
What process involves the lifecycle of engineering projects from requirements to validation?
Linear design
V Diagram
Payload optimization
Subsystem analysis
Ion propulsion systems use what to generate thrust?
Combustion of fuel
Accelerated ions
Solar energy
Magnetic fields
What does EM energy represent?
Electromechanical power
Electromagnetic radiation energy
Energy of moving mass
Energy per unit area
How is geographic location relevant to satellite launches?
Latitude, elevation
Launch sites require minimal weather changes
Mass distribution aligns with location
Velocity directly depends on location
What is the main principle behind active sensors?
Emitting energy, objects detected
Reflecting energy for analysis
Amplifying natural signals
Reducing electromagnetic interference
The mass flow rate equation includes which variables?
Pressure, momentum, volume
Density, velocity, area
Energy, area, velocity
Wavelength, density, energy
Thermal control subsystems protect spacecraft by what method?
Using electrical systems
Insulation, radiators
Increased payload capacity
Regulating pressure levels
