A device used to increase the temperature of saturated steam without raising its pressure, is called:
The condition of steam in the boiler steam drum is always:
The role of an economiser in a marine oil fired boiler (OFB) is to:
In case of a water-tube boiler, the outside of the tubes become encrusted with:
In case of a water-tube boiler, the inner side of the tubes become encrusted with a hard deposit called:
To control the boiler feed-water pH, the feed water is treated by adding the following chemical solutions:
Which is the correct pH range for the boiler feed-water?
Consider the boiler fuel-oil system. The fuel temperature range in the pre-filter (coarse filter) is:
In a glass gauge water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to:
fire tube
smoke tube
reversing chamber
tube plates
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