ELECTRICAL DEPARTMENT Superintendent: Mr. Antonio B. Panaligan Shift Supervisor: Rodolfo Francisco Jerome de Torres Sol Esteban Buhay Power Plant Assistant: Florencio Padilla Rodel Alfaro Arnedo Mendoza T/G & D/G Tender: Renato Morales Reynaldo Bautista Edgardo Escalona BOILERS DEPARTMENT Superintendent: Engr. Simon P. Turno III Shift Supervisor: Gerry A. Ferrer Roberto C. Alindugan Ronilo Edwardo Malabanan Assistant Supervisors: Ernie Abrenica Jayarvin Dalangin
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“Electroyltes are molecules that can dissociate into ions and conduct electrical currents” (EduChange 2002). These molecules‚ can move freely‚ once dissociated into ions allowing for there to be a electrical current. Because elcetroyltes can not conduct electrical currents in there solid form they are put in a solution to dissociate. The purpose of Lab 32 was to determine the effect that the concentration of a solue has on the conductivity of an electrolytic solution. If NaCl is added to water to create
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familiarization of electrical apparatus. Name Image Symbol Uses of functions Galvanometer A galvanometer is a very sensitive meter which is used to measure tiny currents‚ usually 1mA or less. Ammeter An ammeter is used to measure current. Voltmeter A voltmeter is used to measure voltage. Resistor (Fixed and Variable) Fixed Variable A resistor restricts the flow of current‚ for example to limit the current passing through an LED. A resistor is used with a capacitor in
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4179 APRIL 6‚ 2010 THOMAS R. PIPER JEFFREY DEVOLDER Jones Electrical Distribution After several years of rapid growth‚ in the spring of 2007 Jones Electrical Distribution anticipated a further substantial increase in sales. Despite good profits‚ the company had experienced a shortage of cash and had found it necessary to increase its borrowing from Metropolitan Bank—a local onebranch bank—to $250‚000 in 2006. The maximum loan that Metropolitan would make to any one borrower was $250‚000
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Electrical Charges: Electrical charges come as plus or minus. Like charges repel‚ unlike charges attract. Electrons and protons have‚ to fantastic accuracy‚ equal and opposite charges. Quarks have 1/3 the electron charge but are never seen alone! In wires electrons do the moving to carry electrical current. In solutions or plasmas there can be positive charge carriers‚ ions or protons. Although the signal to tell electrons to move in wires travels at about 2/3 the speed of light
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Wire Symbols Electrical Wire Conductor of electrical current Connected Wires Connected crossing Not Connected Wires Wires are not connected Switch Symbols and Relay Symbols SPST Toggle Switch Disconnects current when open SPDT Toggle Switch Selects between two connections Pushbutton Switch (N.O) Momentary switch - normally open Pushbutton Switch (N.C) Momentary switch - normally closed DIP Switch DIP switch is used for onboard configuration SPST Relay Relay open
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References: K40W=400.00049087(1312)=62.11Wm°C By using Fourier’s Law‚ thermal conductivity‚ k can be calculated Yunus A. Cengel. “Heat Transfer A Practical Approach”‚ WBC McGraw-Hill (1998) “Linear Heat Conduction”
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Textiles in defense Dr. Muhammad Mushtaq Mangat www.mushtaqmangat.org Textiles in defence Defence forces on land‚ sea‚ or air throughout the world are heavily reliant on technical textiles of all types – whether woven‚ knitted‚ nonwoven‚ coated‚ laminated‚ or other composite forms Technical textiles offer invaluable properties for military land forces in particular‚ who are required to move‚ live‚ survive and fight in hostile environments. They have to carry or wear all the necessities
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heat transfer equipment. It therefor comes as no surprise that finding a way to make HTF’s more efficient is desirable in the scientific community. Research is being done to attempt to rectify this issue by adding materials with a high thermal conductivity (metal’s and metal oxides) to HTF’s in accordance with Maxwell’s heat transfer equations [1]. Until recently this problem was addressed by using micro scale solid particles with millimeter sizes which were blended into the HTF’s. Unfortunately
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Basic Electronics Chapter 2 Basic Electrical Principles and the Functions of Components Figures in this course book are reproduced with the permission of the American Radio Relay League. This booklet was compiled by John P. Cross AB5OX PHYS 401 Physics of Ham Radio 25 Basic Electrical Principles • Conductors - keep loose grip on their electrons and allow electrons to move freely. Metals are usually good conductors. • Insulators - keep close hold of their electrons and do not
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