A thermostat unit, in which the sensing element is located in the refrigerated space.
Related Terms |
PI FILTER
A filter that has a series element and two parallel elements connected in the shape of the Greek letter pi ().
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PIEZOELECTRIC ELEMENT
A piezoelectric crystal used in an electric circuit, for example, as a transducer to convert mechanical or acoustical piezoelectric element piezoelectric gage signals to electric signals, or to control the frequency of a crystal oscillator.
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PASSIVE ELEMENT
An element of an electric circuit that is not a source of energy, such as a resistor, inductor, or capacitor. Also known as passive component.
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PARAMETRIC EXCITATION
The method of exciting and maintaining oscillations in either an electrical or mechanical dynamic system, in which excitation results from a periodic variation in an energy storage element in a system such as a capacitor, inductor, or spring constant.
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OPEN-CYCLE GAS TURBINE
A gas turbine prime mover in which air is compressed in the compressor element, fuel is injected and burned in the combustor, and the hot products are expanded in the turbine element and exhausted to the atmosphere.
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NORMAL ELEMENT TIME
The selected or average element time adjusted to obtain the element time used by an average qualified operator. Also known as base time; leveled element time.
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NONCYCLIC ELEMENT
An element of an operation or process that does not occur in every cycle but has a frequency of occurrence that is specified by the method.
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NEUMANN-KOPP RULE
The rule that the heat capacity of 1 mole of a solid substance is approximately equal to the sum over the elements forming the substance of the heat capacity of a gram atom of the element times the number of atoms of the element in a molecule of the substance.
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NETWORK ANALYSIS
1. Derivation of the electrical properties of a network, from its configuration, element values, and driving forces. 2. An analytic technique used during project planning to determine the sequence of activities and their interrelationship within the network of activities that will be required by the project. Also known as network planning.
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MACROELEMENT
An element of a work cycle whose time span is long enough to be observed and measured with a stopwatch.
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