Calculate the sag in a 270 ft span of a 0.035 in2. OH line when covered with ice to a radial thickness of 5/8 in., in a wind that exerts a pressure of 9 lb/ft2. Assume the breaking load or the ultimate strength is 1620 lb and the weight of the conductor as 0.1 lb/ft. Allow a safety factor of 2.

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A:

Q: 11. Calculate the force at member FH

A: Take moment about A∑ MA=0RL(30)-6(5)-6(10)-6(15)-1(20)-1(25)=0RL=7.5kN

Q: 12 kN/m 3 m Hinge 5 m 4 m- -4 m-

A:

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Q: The floor plan of a building in the preliminary stages of design is shown below. The connec- tions…

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Q: Design an I section purlin for an industrial building, with Galvanized iron sheets as the roofing…

A: The objective of the question is to design an I section purlin for an industrial building with given…

Q: 4. B H F -1.5 m-1.5 m-1.5 m-1.5 m- 6 kN D 6 kN 2m 2 m

A:

Electric Circuit and Components

An electrical circuit or electrical network is a pre-determined pathway to make the electrons flow in the desired direction. The flow of electrons will set up a current flow in the circuit. Normally, the flow of electrical current is opposite to the flow of electrons. An electron is a fundamental sub-atomic particle of an atom possessing a negative charge. To initiate the flow of current and achieve the desired output, the electrical circuit should necessarily be composed of closed pathways. The pathways are made-up of good conductors of electricity such as aluminium and copper.