How many pounds of coal must be burned to keep one 100 watt

Reference no: EM13552865

1.Take that w1 = 890 lb/ft and w2 = 500 lb/ft. Replace the loading by an equivalent resultant force Replace the loading by an equivalent resultant force

2.How many pounds of coal must be burned to keep one 100 watt light bulb lit for one hour? Assume efficiency of the power plant is 35%, the transmission losses are 10% fo the delivered poer, and the heating value of coal is 12,000 BTU/lb

3.An open-end wrench applies the forces F to the head of a bolt to produce the moment M, where each force F is normal to the surface of which is acts. Determine the magnitude of M if F=600 lb.

Reference no: EM13552865

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