Steam Turbines Basics Quiz

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What is the main function of a steam turbine?

Convert heat energy to mechanical energy (correct)

Convert steam to high-pressure steam

Direct high velocity steam onto shaft-mounted disks

Convert mechanical energy to heat energy

In which direction does the steam flow in most steam turbines?

Radial direction around the shaft

Perpendicular to the shaft

Axial direction (parallel to the shaft) (correct)

Opposite to the direction of the shaft rotation

What is the main difference between impulse and reaction turbines?

The type of steam used in the turbines

The shape of the nozzles in the turbines

How the steam expands through the turbine (correct)

The speed at which the steam flows through the turbine

What is the function of stationary nozzles in an impulse turbine?

To convert thermal energy into mechanical energy Signup and view all the answers

What is the purpose of the moving blades in a steam turbine?

To convert heat energy into mechanical energy Signup and view all the answers

What is the purpose of the stationary nozzles in a steam turbine?

To change the direction of the steam flow and transmit an impulse force to the moving blades Signup and view all the answers

How do impulse turbine blades differ from reaction turbine blades?

Impulse turbine blades allow steam pressure to drop, while reaction turbine blades do not Signup and view all the answers

What is the function of the bearings in a steam turbine?

To support and guide the rotor shaft Signup and view all the answers

What is the purpose of sealing glands in a steam turbine?

To prevent leakage of steam from the wheel case along the shaft Signup and view all the answers

Why is it important for the top half of the casing of a steam turbine to be removable without disturbing other parts or piping connections?

To allow for easy inspection and maintenance Signup and view all the answers

What happens to the velocity of steam as it moves through the impulse rotors?

It decreases while the pressure remains constant Signup and view all the answers

What is the primary function of the condenser in a steam power plant?

To provide a source of boiler feedwater Signup and view all the answers

What happens to the pressure of steam as it moves into the reaction rotors?

It reduces in each moving rotor wheel Signup and view all the answers

What is the purpose of superheating the steam in a boiler?

To provide high-energy steam for driving a turbine Signup and view all the answers

Why is a high vacuum produced in the condenser important for a steam power plant?

To produce more work and a higher degree of efficiency Signup and view all the answers

Steam Turbines Basics Quiz

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Questions and Answers

What is the main function of a steam turbine?

In which direction does the steam flow in most steam turbines?

What is the main difference between impulse and reaction turbines?

What is the function of stationary nozzles in an impulse turbine?

What is the purpose of the moving blades in a steam turbine?

What is the purpose of the stationary nozzles in a steam turbine?

How do impulse turbine blades differ from reaction turbine blades?

What is the function of the bearings in a steam turbine?

What is the purpose of sealing glands in a steam turbine?

Why is it important for the top half of the casing of a steam turbine to be removable without disturbing other parts or piping connections?

What happens to the velocity of steam as it moves through the impulse rotors?

What is the primary function of the condenser in a steam power plant?

What happens to the pressure of steam as it moves into the reaction rotors?

What is the purpose of superheating the steam in a boiler?

Why is a high vacuum produced in the condenser important for a steam power plant?

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