Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 240
... Watts , to a motor will not result in an exactly corresponding effective horse - power , but an amount less by from 10 to 15 per cent . , which in my tables I have for entire security taken at 20 per cent . In the case of storage cells ...
... Watts , to a motor will not result in an exactly corresponding effective horse - power , but an amount less by from 10 to 15 per cent . , which in my tables I have for entire security taken at 20 per cent . In the case of storage cells ...
Página 242
... watts ; each 16 - candle power , 60 watts . Thus each 16 - candle power lamp takes about of an electric horse - power . One 16 - candle - power lamp may be taken to light from 60 to 100 square feet of floor space in ordinary rooms ...
... watts ; each 16 - candle power , 60 watts . Thus each 16 - candle power lamp takes about of an electric horse - power . One 16 - candle - power lamp may be taken to light from 60 to 100 square feet of floor space in ordinary rooms ...
Página 246
... Watts Nearest given Size out by Dynamo Dynamo Units Cost of ing Watts . 20 p . c . less than Total . of 1,000 Watts . Dynamo . Watts used by Motor , being 2 per cent . less than Dynamo gives . Effective Horse - Power given by the Motor ...
... Watts Nearest given Size out by Dynamo Dynamo Units Cost of ing Watts . 20 p . c . less than Total . of 1,000 Watts . Dynamo . Watts used by Motor , being 2 per cent . less than Dynamo gives . Effective Horse - Power given by the Motor ...
Página 247
... Watt lamps easily maintained by them . ) No. of Plates . No. of Lamps . Material of Box . BATTERY OF 26 CELLS BATTERY OF 32 CELLS BATTERY OF 53 CELLS FOR 50 VOLTS . Teak . Glass . No. of Lamps . FOR 63 VOLTS . Material of Box . Teak ...
... Watt lamps easily maintained by them . ) No. of Plates . No. of Lamps . Material of Box . BATTERY OF 26 CELLS BATTERY OF 32 CELLS BATTERY OF 53 CELLS FOR 50 VOLTS . Teak . Glass . No. of Lamps . FOR 63 VOLTS . Material of Box . Teak ...
Página 248
... Watts = 1.2 Effective Horse - Power . 33 ampères × 50 = 1,650 Watts = 1.76 Effective Horse - Power . 50 ampères × 50 = 2,500 Watts = 2.68 Effective Horse - Power . 66 ampères × 50 = 3.300 Watts = 3.52 Effective Horse - Power . 13 ...
... Watts = 1.2 Effective Horse - Power . 33 ampères × 50 = 1,650 Watts = 1.76 Effective Horse - Power . 50 ampères × 50 = 2,500 Watts = 2.68 Effective Horse - Power . 66 ampères × 50 = 3.300 Watts = 3.52 Effective Horse - Power . 13 ...
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