18 Questions
What is the formula to calculate power?
P=FxD/T
What is the unit of measurement for power?
All of the above
What is torque described as?
A force acting along a distance
What is the purpose of heat engines in an aircraft?
To produce thrust
What is acceleration defined as?
Rate of change of velocity
What is the unit of measurement for work?
All of the above
What is the primary purpose of the inner and outer shrouds in a turbine assembly?
To allow for thermal expansion and prevent damage
What dictates the size of a turbine blade?
Material stress limits and efficiency requirements
What is the primary advantage of using single crystal turbine blades?
Improved strength and heat resistance
What occurs in the fixed nozzle vanes of an impulse configuration?
Total pressure drop across each stage
What is the primary difference between impulse and reaction turbines?
Gas speed requirement
What is the result of the reaction force in a gas turbine?
Sideways force acting on the blade
What is the definition of potential energy?
Energy at rest or stored energy
What is the principle that explains the action of a liquid flowing through varying cross-sectional areas of tubes?
Bernoulli's principle
What is the sequence of events in a Brayton cycle?
Intake, compression, expansion, and exhaust
What is the result of an external force acting on an object according to Newton's 1st law of motion?
The object changes its motion or remains at rest
What is the relationship between pressure and volume of a gas according to Boyle's law?
The volume of a gas decreases with an increase in pressure
What is the result of heating a gas at constant pressure according to Charles' law?
The volume of the gas increases
Learn about the design and configuration of turbine blades, including their size, material stress limits, cooling hole requirements, and efficiency considerations. Discover the different types of turbine blades, including impulse and reaction configurations.
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