Mechanical Engineering - Steam Boilers and Engines
Exercise : Steam Boilers and Engines - Section 5
- Steam Boilers and Engines - Section 1
- Steam Boilers and Engines - Section 2
- Steam Boilers and Engines - Section 3
- Steam Boilers and Engines - Section 4
- Steam Boilers and Engines - Section 5
1.
In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as
2.
A condenser maintains a low pressure (below atmospheric) so as to obtain the maximum possible energy from steam and thus to secure a high efficiency.
3.
The amount of water evaporated from and at 100° C into dry and saturated steam is called evaporative capacity of a boiler.
4.
The difference between the atmospheric pressure and the absolute pressure is known as vacuum in a condenser.
5.
In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is
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