valve push
21quiescent push-pull amplifier — (QPP) Thermionic valve or transistor amplifier, in which one side alone passes current for one phase, the other side passing current for the other phase …
22BMW 328 — Note: This article describes the BMW 328 of 1937 1939. There have also been cars called BMW 328i and 328Ci made since the 1990s as models of the BMW 3 Series Infobox Automobile name = BMW 328 manufacturer = Bayerische Motorenwerke parent company …
23Renault 5 GT Turbo — Infobox Automobile name = Renault 5 GT Turbo manufacturer = Renault class = Hot hatch production = Phase I: 1985 1987 Phase II: 1987 1991 predecessor = Renault 5 Alpine Turbo successor = Renault Clio 16v/Williams body style = 3 door hatchback 2… …
24List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …
25Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
26Paintball marker — A paintball marker, also known as a paintball gun, is the central or main piece of equipment in the sport of paintball. Markers make use of an expanding gas such as carbon dioxide, compressed air or nitrogen dioxide to propel paintballs through… …
27Over-arcing — is a nearly self descriptive term which denotes a radial or parabolic like arc which is extended, for whatever reason, beyond the path of which it was either intended to follow, or could have followed, given that a more efficient means had been… …
28Four-stroke engine — Four stroke cycle used in gasoline/petrol engines. The right blue side is the intake and the left yellow side is the exhaust. The cylinder wall is a thin sleeve surrounded by cooling liquid. A video montage of the Otto engines running at the… …
29Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
30Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… …
