Electrical Engineering Practice ... |
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Page ix
... Tungsten ( drawn wire ) lamps . Candle - power and rating 6. Approximate efficiencies of C.C. and A.C. arcs 8. Reflecting power of wall - papers . 10. Illustrating power consumed in internal lighting 32 83 87 90 99 103 104 109 110 11 ...
... Tungsten ( drawn wire ) lamps . Candle - power and rating 6. Approximate efficiencies of C.C. and A.C. arcs 8. Reflecting power of wall - papers . 10. Illustrating power consumed in internal lighting 32 83 87 90 99 103 104 109 110 11 ...
Page 8
... tungsten being generally used for the filaments ( §§ 112 , 113 ) . C 12. Standard Resistances . For accurate electrical measurements by means of the potentiometer ( § 34 ) standard comparison coils of 10 , and decimal multiples up to a ...
... tungsten being generally used for the filaments ( §§ 112 , 113 ) . C 12. Standard Resistances . For accurate electrical measurements by means of the potentiometer ( § 34 ) standard comparison coils of 10 , and decimal multiples up to a ...
Page 79
... tungsten lamps , but there may be a temporary revival in their use to supply half - watt ' lamps ( § 112 ) of low voltage and medium candle - power . Probably these lamps in turn will soon become available in sizes suitable for use in ...
... tungsten lamps , but there may be a temporary revival in their use to supply half - watt ' lamps ( § 112 ) of low voltage and medium candle - power . Probably these lamps in turn will soon become available in sizes suitable for use in ...
Page 86
... tungsten filament lamps of moderate candle - power it varies from 0-7 to 0.9 c.-p. ( British ) to 1W up to 1-4 to 2 c.-p. per watt in nitrogen - filled tungsten lamps ( § 112 ) . The efficiency should clearly be stated as so many candle ...
... tungsten filament lamps of moderate candle - power it varies from 0-7 to 0.9 c.-p. ( British ) to 1W up to 1-4 to 2 c.-p. per watt in nitrogen - filled tungsten lamps ( § 112 ) . The efficiency should clearly be stated as so many candle ...
Page 88
... tungsten . Intermediate between the carbon lamp and the tungsten lamp , both in point of the time of its development and of its efficiency , is the tantalum filament lamp . Its useful life is comparable with that of the carbon lamp ...
... tungsten . Intermediate between the carbon lamp and the tungsten lamp , both in point of the time of its development and of its efficiency , is the tantalum filament lamp . Its useful life is comparable with that of the carbon lamp ...
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Common terms and phrases
3-phase alternating current ammeter ampere-hours amperes apparatus arc lamps armature arrangement average battery cables candle-power capacity carbon carried ceiling cells cent charge circuit coil conductors connected consumption continuous current copper cost diameter dielectric discharge distribution board dynamo earth efficiency electric electrolyte energy engine factor fans feet filament lamps foot-candle fuse give given heating I.E.E. Rule illumination inch induction motor installation insulation insulation resistance kilowatts lampholders latter lighting loss machines magnetic maximum demand megohm metal meter neutral wire obtained Ohm's Law ordinary output overhead lines parallel phase pipe plant plates plug pole practice pressure pump reactance regulation secondary short-circuit shunt single-phase speed standard steam supply switch Table temperature terminals transformer transmission tube tungsten turbine unit varies voltage volts vulcanised watts wave winding wiring rules