. American stationary engineering; a practical work which begins at the boiler room and takes in the whole power plant. Hot-short is when the material cannot l)e easily workedunder the hammer, or by rolling at a red-heat at any tempera-ture which is higher than about that assigned to a red-heat,without fracturing or cracking. Such a material may beworked or bent at a less heat. Homogeneous describes a material which is all of thesame structure and nature. A homogeneous material is the best for boilers, and it shouldbe of suitable tensile strength with contraction of area andelongation best sui
. American stationary engineering; a practical work which begins at the boiler room and takes in the whole power plant. Hot-short is when the material cannot l)e easily workedunder the hammer, or by rolling at a red-heat at any tempera-ture which is higher than about that assigned to a red-heat,without fracturing or cracking. Such a material may beworked or bent at a less heat. Homogeneous describes a material which is all of thesame structure and nature. A homogeneous material is the best for boilers, and it shouldbe of suitable tensile strength with contraction of area andelongation best suited for the purpose, having an elastic limitthat will insure the structure being reliable ; it should be toughand ductile, and its elasticity fairly good, and be capable ofenduring strains without becoming too quickly or easily material should be malleable and in some cases weldable ;that which is of a decidedly cold-short or hot-short natureshould be avoided. Maxims and Instructions. 123 BOILER REPAIRS. This cut represents a form ofclamp used in holding theplates against each other whenbeing
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsteamen, bookyear1917
