Practical Operation of Arc LampsNational carbon Company, 1911 - 75 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 6.
Σελίδα 8
... effect and also cause heating . In the D. C. lamp these parts are made solid . For 220 and 440 volt A. C. cir- cuits , self - contained lamps using an Fig.4 auto transformer instead of a choke coil can be obtained . The auto transformer ...
... effect and also cause heating . In the D. C. lamp these parts are made solid . For 220 and 440 volt A. C. cir- cuits , self - contained lamps using an Fig.4 auto transformer instead of a choke coil can be obtained . The auto transformer ...
Σελίδα 18
... effect of rapid burning is to produce points on the carbons like those obtained in the open arc lamp . The globe and its handling has more effect on the life of the trim than any other factor . For this reason the life of a brand of ...
... effect of rapid burning is to produce points on the carbons like those obtained in the open arc lamp . The globe and its handling has more effect on the life of the trim than any other factor . For this reason the life of a brand of ...
Σελίδα 19
... effect as an A. C. lamp operating with solid carbons . Oil and grease on the carbons cause the lamp to jump badly and will also cause globe blackening . Most manu- facturers of arc lamps direct that no oil should be used on their lamps ...
... effect as an A. C. lamp operating with solid carbons . Oil and grease on the carbons cause the lamp to jump badly and will also cause globe blackening . Most manu- facturers of arc lamps direct that no oil should be used on their lamps ...
Σελίδα 38
... effect of the coil and pulls it up further into the core . This increases the chok- ing effect of the coil and the current is reduced . A dash pot is usually provided to steady the movement of the coil . This dash pot is objec- tionable ...
... effect of the coil and pulls it up further into the core . This increases the chok- ing effect of the coil and the current is reduced . A dash pot is usually provided to steady the movement of the coil . This dash pot is objec- tionable ...
Σελίδα 46
... effect upon the meter and cause a low reading . These fields may be caused by any electric generator or motor , a conductor carrying current , or by other meters . Switchboard meters should be shielded from the effect of these fields by ...
... effect upon the meter and cause a low reading . These fields may be caused by any electric generator or motor , a conductor carrying current , or by other meters . Switchboard meters should be shielded from the effect of these fields by ...
Άλλες εκδόσεις - Προβολή όλων
Practical Operation of Arc Lamps Inc National Carbon Company Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
The Practical Operation of ARC Lamps (Classic Reprint) National Carbon Company Inc Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Συχνά εμφανιζόμενοι όροι και φράσεις
A. C. lamps adjustment allow alternating current aluminum disc Ammeter amperes arc lamp circuits armature bons carbon holder carrying capacity cause the lamp choke coil circular mils clean clock feed lamp clutch conductor connected in series copper wire cored carbons cubic cuits Current Transformer cut-out D. C. circuits dash pot decagram decimeter diameter direct current Electrical enclosed arc lamps fed downward feet Flame Arc Lamps gas cap graphite ground heat high arc voltage horse power inch inclined carbon lamps inner globe insulation jump badly light Lightning Arresters line voltage lower carbon mean effective pressure mercury arc rectifier meters motor feed multiple lamp obtained operate Plug Switches position regulating mechanism regulating resistance series arc lamp series coil series lamps series magnet series multiple shown in Fig shunt coil side Specific Gravity square TABLE trimmer trimming tubes upper carbon usually vertical carbon lamp wattmeter weight
Δημοφιλή αποσπάσματα
Σελίδα 67 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg...
Σελίδα 49 - ... b. Must be placed at every point where a change is made in the size of wire [unless the cut-out in the larger wire will protect the smaller.
Σελίδα 67 - OF CAPACITY 10 milliliters (ml.) = 1 centiliter (cl.) 10 centiliters = 1 deciliter (dl.) 10 deciliters = 1 liter (1.) 10 liters = 1 dekaliter (Dl.) 10 dekaliters = 1 hektoliter (hi.) 10 hektoliters = 1 kiloliter (kl.) MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams...
Σελίδα 48 - Wires must be so spliced or joined as to be both mechanically and electrically secure without solder. The joints must then be soldered unless made with some form of approved splicing device, and covered with an insulation equal to that on the conductors.
Σελίδα 67 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 55 - The lower limit is specified for rubber-covered wires to prevent gradual deterioration of the high insulation* by the heat of the wires, but not from fear of igniting the insulation. The question of drop is not taken into consideration in the above tablea.
Σελίδα 64 - The Specific Gravity of a substance is the ratio of its weight to that of an equal volume of water.
Σελίδα 58 - The work done by a force acting obliquely on a moving body is measured by the product of the force and the distance through ivhich the body moves in the direction of the force.
Σελίδα 50 - ... systems must not at Central Stations be smaller than the neutral wire and not smaller than No. 6 B. & S.
Σελίδα 69 - Fahrenheit multiply by 1.8 and add 32. To convert degrees Fahrenheit to Centigrade, subtract 32 and divide the result by 1.8.