A. The governor, the Corliss valve gear and the triple compound expansion.
Q. What is meant by triple expansion engine?
A. A triple expansion engine has three cylinders using the steam expansively in each one.
Q. What is a condenser as applied to an engine?
A. The condenser is a part of the low pressure engine and is a receptacle into which the exhaust enters and is there condensed.
Q. What are the principles which distinguish a high pressure from a low pressure engine?
A. Where no condenser is used and the exhaust steam is open to the atmosphere.
Q. About how much gain is there by using the condenser?
A. 17 to 25 per cent where cost of water is not figured.
Q. What do you understand by the use of steam expansively?