Podcast
Questions and Answers
What is the characteristic of a single cylinder turbine?
What is the characteristic of a single cylinder turbine?
- It has multiple casings
- It uses one shaft (correct)
- It uses multiple shafts
- It has multiple bearings
Why are multi-cylinder turbines used in large output turbines?
Why are multi-cylinder turbines used in large output turbines?
- Because the number of stages needed becomes very high (correct)
- To reduce the number of stages needed
- To increase the blade height
- To reduce the shaft size
What type of flow is commonly used in high-pressure cylinders?
What type of flow is commonly used in high-pressure cylinders?
- Double flow
- Reversed flow
- Mixed flow
- Single flow (correct)
What is the advantage of using double flow turbines?
What is the advantage of using double flow turbines?
What is the condition for maximum force development when the jet enters and leaves a blade?
What is the condition for maximum force development when the jet enters and leaves a blade?
What happens to the mass flow rate in a double flow turbine compared to a single flow turbine for the same conditions?
What happens to the mass flow rate in a double flow turbine compared to a single flow turbine for the same conditions?
What happens to the leaving velocity of the jet from the blade when it is allowed to speed up?
What happens to the leaving velocity of the jet from the blade when it is allowed to speed up?
In which type of flow does the steam enter at the centre and divide into two portions?
In which type of flow does the steam enter at the centre and divide into two portions?
What is the optimal blade speed for maximum work done?
What is the optimal blade speed for maximum work done?
What happens to the force and work done when the blade speed is equal to the steam speed?
What happens to the force and work done when the blade speed is equal to the steam speed?
What constitutes a stage of a steam turbine?
What constitutes a stage of a steam turbine?
What is the classification of a steam turbine based on the principle of operation that uses a combination of impulse and reaction?
What is the classification of a steam turbine based on the principle of operation that uses a combination of impulse and reaction?
Where does the complete expansion of steam from the steam chest pressure to the exhaust pressure or condenser pressure take place?
Where does the complete expansion of steam from the steam chest pressure to the exhaust pressure or condenser pressure take place?
What is the typical velocity of steam leaving the nozzles?
What is the typical velocity of steam leaving the nozzles?
What is the assumed velocity of steam in the recess between the nozzles and the blades?
What is the assumed velocity of steam in the recess between the nozzles and the blades?
What is the ideal blade speed for maximum work or good economy?
What is the ideal blade speed for maximum work or good economy?
What type of nozzles are generally used in this type of turbine?
What type of nozzles are generally used in this type of turbine?
What is the pressure of steam in the blade passages?
What is the pressure of steam in the blade passages?
What is the primary function of a piston in a reciprocating IC engine?
What is the primary function of a piston in a reciprocating IC engine?
What is the typical material used for making cylinder heads in automotive engines?
What is the typical material used for making cylinder heads in automotive engines?
What is the primary purpose of the compression ring in a piston?
What is the primary purpose of the compression ring in a piston?
What is the typical pressure range inside the cylinder of a reciprocating IC engine?
What is the typical pressure range inside the cylinder of a reciprocating IC engine?
What is the primary function of the cylinder block in a multi-cylinder engine?
What is the primary function of the cylinder block in a multi-cylinder engine?
What is the material used for making gaskets between the engine cylinder and cylinder head?
What is the material used for making gaskets between the engine cylinder and cylinder head?
What material was used to insulate train compartments for transporting ice in the southern states of America?
What material was used to insulate train compartments for transporting ice in the southern states of America?
Who is credited with starting the ice trade in 1806?
Who is credited with starting the ice trade in 1806?
Where was ice harvested from for export to India and other countries?
Where was ice harvested from for export to India and other countries?
Why was Frederic Tudor's ice cheaper than the locally manufactured ice in India?
Why was Frederic Tudor's ice cheaper than the locally manufactured ice in India?
What led to the decline of the ice trade?
What led to the decline of the ice trade?
In which year did the ice trade reach its peak in America?
In which year did the ice trade reach its peak in America?
