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Turbine Blade Design and Configuration

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Questions and Answers

What is the formula to calculate power?

P=FxD/T (correct)

P=F/T

P=W/t

P=dW/dt

What is the unit of measurement for power?

Watts

Horsepower

Foot-pounds per second

All of the above (correct)

What is torque described as?

A force acting along a distance (correct)

A force acting through a distance

A force acting opposite to a distance

A force acting perpendicular to a distance

What is the purpose of heat engines in an aircraft?

To produce thrust Signup and view all the answers

What is acceleration defined as?

Rate of change of velocity Signup and view all the answers

What is the unit of measurement for work?

All of the above Signup and view all the answers

What is the primary purpose of the inner and outer shrouds in a turbine assembly?

To allow for thermal expansion and prevent damage Signup and view all the answers

What dictates the size of a turbine blade?

Material stress limits and efficiency requirements Signup and view all the answers

What is the primary advantage of using single crystal turbine blades?

Improved strength and heat resistance Signup and view all the answers

What occurs in the fixed nozzle vanes of an impulse configuration?

Total pressure drop across each stage Signup and view all the answers

What is the primary difference between impulse and reaction turbines?

Gas speed requirement Signup and view all the answers

What is the result of the reaction force in a gas turbine?

Sideways force acting on the blade Signup and view all the answers

What is the definition of potential energy?

Energy at rest or stored energy Signup and view all the answers

What is the principle that explains the action of a liquid flowing through varying cross-sectional areas of tubes?

Bernoulli's principle Signup and view all the answers

What is the sequence of events in a Brayton cycle?

Intake, compression, expansion, and exhaust Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

What is the result of heating a gas at constant pressure according to Charles' law?

The volume of the gas increases Signup and view all the answers