Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 97
se, 1,616 HAWKINS ELECTRICITY Ques. What is an expulsion fuse? Ans. One in which the fuse is placed in an enclosed chamberwith a vent hole. In operation, when the fuse blows, the hot air and molten metal areexpelled through the vent. Ques. What is a no arc fuse? Ans. A cartridge type fuse, in which… … Fig. 2,240.—Inside view of end ferrule of Noark enclosed fuse. Two prongs O and V. whichare a part of the knife blade K. pass through the square holes in the ends of the ferrule R,and are riveted to the anchor plate T. The object of this plate is to stiffen the structureand to increase the current…
Electrical engineering
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