Bowden-Smith, Edward Cyril · New York, D. Van Nostrand Company · leaf 194
he principalloss takes place in firing the boilers to meet a constantlyfluctuating demand. The economy of the plant will depend on the intelli-gence, ability, and vigilance of the fireman more thanany other member of the staff. Assuming he has water-tube boilers, the |ped pump must be set to give a… … 168 EFFICIENCY OF PUMPS AND .EJECTORS value oil firing, coal firing, and rubbish firing. Thereis also a system of vegetable-refuse firing by first con-verting it into gas and convejdng the gas directly tothe furnace. In countries where oil is cheap—^that is,fuel oil or residues from the…
Pumping machinery
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