Electric Lighting: A Practical Exposition of the Art, for the Use of Engineers, Students, and Others Interested in the Installation Or Operation of Electrical Plants, Том 1Van Nostrand, 1896 |
З цієї книги
Результати 1-5 із 44
Сторінка 126
... governors . There are throttle- valve and automatic cut - off engines . In the former , the speed is controlled by ... governor causes the supply to be entirely cut off at a certain fraction of the stroke , depending upon the speed of ...
... governors . There are throttle- valve and automatic cut - off engines . In the former , the speed is controlled by ... governor causes the supply to be entirely cut off at a certain fraction of the stroke , depending upon the speed of ...
Сторінка 127
... governor , mechanism connecting the piston - rod and fly - wheel , fly - wheel , bearings , and the base or frame support- ing all these various parts . The Cylinder . This is usually a simple cylinder of cast iron , accurately bored ...
... governor , mechanism connecting the piston - rod and fly - wheel , fly - wheel , bearings , and the base or frame support- ing all these various parts . The Cylinder . This is usually a simple cylinder of cast iron , accurately bored ...
Сторінка 132
... Governor . An engine which always works with a con- stant load would have a constant speed , provided the steam- pressure did not vary . In practice , however , the load on a steam - engine changes from time to time ; and in electric ...
... Governor . An engine which always works with a con- stant load would have a constant speed , provided the steam- pressure did not vary . In practice , however , the load on a steam - engine changes from time to time ; and in electric ...
Сторінка 133
... governor ; and it acts either to regulate the supply of steam by changing the opening , to a greater or less extent , of a valve in the main steam - pipe , or by automatically changing the point in the stroke at which the steam is cut ...
... governor ; and it acts either to regulate the supply of steam by changing the opening , to a greater or less extent , of a valve in the main steam - pipe , or by automatically changing the point in the stroke at which the steam is cut ...
Сторінка 134
... governor as it has generally been supposed to be . The throttle - valve governor is very simple in its construction , being merely a pair of weights suspended from a vertical spindle , and caused to revolve by connecting it with the ...
... governor as it has generally been supposed to be . The throttle - valve governor is very simple in its construction , being merely a pair of weights suspended from a vertical spindle , and caused to revolve by connecting it with the ...
Інші видання - Показати все
Electric Lighting: A Practical Exposition of the Art, for the Use of ..., Том 2 Francis Bacon Crocker Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
accumulator action advantage alternating current ampere ampere turns ampere-hours apparatus arc lamps armature arrangement battery belt boiler brushes carbon cast iron cause cell cent central stations centrifugal centrifugal force charge circuit coal coils commutator condensation conductors connected considerable consists construction copper core cylinder diameter direct coupling direct current direct-current discharge dynamo effect efficiency Elec electric lighting electric-lighting plant Electrical Engineer employed fact feet field-magnet flux fly-wheel force gas-engine governor heat horse-power incandescent lamps increase inductors insulation iron isolated plants latter Lightning-Arrester load machine machinery magnetic mechanical mercurous sulphate motor objectionable obtained ordinary piston plates pole-pieces practically pressure produced pulley reduced resistance revolutions per minute shaft short circuit short-circuited shown in Fig speed square inch steam steam-engine stroke sufficient sulphate supply surface switch temperature tion tubes turbine usually valve voltage volts weight wheel winding wire zinc zinc sulphate
Популярні уривки
Сторінка 450 - JW Dynamo Construction. A Practical Handbook for the use of Engineer Constructors and Electricians in Charge. Illustrated. 12mo., cloth $3.00 Electric Ship-lighting. A Handbook on the Practical Fitting and Running of Ship-s Electrical Plant, for the use of Ship Owners and Builders, Marine Electricians, and Sea-going Engineers in Charge.
Сторінка 22 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Сторінка 446 - TRAMWAYS: THEIR CONSTRUCTION AND WORKING. Embracing a Comprehensive History of the System ; with an exhaustive Analysis of the various Modes of Traction, including...
Сторінка 447 - HASKINS, CH The Galvanometer and its Uses. A Manual for Electricians and Students. Fourth Edition, revised. 12mo, morocco.
Сторінка 22 - CGS system of electromagnetic units and which is represented sufficiently well for practical use by the unvarying current which, when passed through a solution of nitrate of silver in water, in accordance with a certain specification, deposits silver at the rate of 0.001118 of a gramme per second.
Сторінка 446 - DYNAMIC ELECTRICITY: Its Modern Use and Measurement, chiefly in its application to Electric Lighting and Telegraphy, including: 1. Some Points in Electric Lighting, by Dr. John Hopkinson. 2. On the Treatment of Electricity for Commercial Purposes, by JN Shoolbred. 3. Electric-Light Arithmetic, by RE Day, ME Fourth Edition. Illustrated. 16mo., boards, 166 pp. (No. 71 Van Nostrand's Science Series.) 50 cents EDGCUMBE, K.
Сторінка 448 - CE) A Pocket-book of Electrical Rules and Tables for the use of Electricians and Engineers.
Сторінка 23 - As a unit of quantity, the international coulomb, which is the quantity of electricity transferred by a current of one international ampere in one second. As a unit of capacity, the international farad, which is the capacity of a condenser charged to a potential of one international volt by one international coulomb of electricity.
Сторінка 23 - ... As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere, and which is represented sufficiently well for practical use by \\\% of the electromotive force between the poles or electrodes of the voltaic cell known as Clark's cell, at a temperature of 15° C., and prepared in the manner described in the accompanying specification...
Сторінка 24 - It is nearly filled with the solution, and connected to the rest of the circuit by being placed on a clean copper support to which a binding screw is attached.