How to Bug a Telephone or Record? Bugging Devices, Equipment
The circuit of a simple FM transmitter described in the article, when integrated with a telephone line, very interestingly starts transmitting all the …
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How to Make an Automatic Voltage Stabilizer? Circuit, Construction Explained
If your precious electronic appliances are yet to be protected from the harmful fluctuating input mains voltages, then perhaps it’s time for you get …
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Spur Gear head Small DC Motor, what it is?
The DC spur gearhead motor utilizes an ordinary DC motor to operate a series of spur gearheads that are meshed together. This results in a simple yet …
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What is Lignite Coal? Definition of Lignite, Chemical Properties, Characterization
Lignite is the lower rank of coal. Vast reserves are available in many parts of the world. The special characteristics of lignite make it different …
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Causes of Marine Diesel Engine Exhaust Black Smoke from Funnel
Black Smoke from the funnel is a sign of poor maintenance and malfunction of the machinery. It is a serious issue as it violates Marpol 73/78 Annex VI …
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Flow Chart for Finite Element Analysis – Overall Steps for FEA, FEM or CAE
The finite element analysis (FEA) or finite element method (FEM) or computer aided engineering (CAE) is used widely. What is FEA? How CAE works? The …
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Parts of A Refrigerator & How it Works
The domestic refrigerator is one found in almost all the homes for storing food, vegetables, fruits, beverages, and much more. This article describes …
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What is Ballast Water? Ballast Tanks and Ship Ballast
Ships when at sea require stability to sail safely. For this reason sea water is taken into the bottom of the ship in specially made compartments. …
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What is the Function of a Resistor? Functions Explained with Illustrations
In an electronic circuit, the basic function of a resistor is to limit the current to a safe value so that the associated sophisticated parts can …
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Bumping Clearance in Marine Reciprocating Air Compressors: How to Check and Adjust
The adjustment of Bumping Clearance is a very critical adjustment of the clearance volume. If more the volumetric efficiency of the compressor suffers …
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