The Technical World Magazine, Volume 5Technical World Company, 1906 |
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Results 1-5 of 18
Page 70
... amperes . This easy adjustment of the secondary voltage and current makes it possible to use the outfit for nearly all classes of work . The whole outfit weighs less than 2,000 pounds , and it can be mounted on either a wagon truck or ...
... amperes . This easy adjustment of the secondary voltage and current makes it possible to use the outfit for nearly all classes of work . The whole outfit weighs less than 2,000 pounds , and it can be mounted on either a wagon truck or ...
Page 71
... amperes , or a 250 - foot pipe can be thawed out in 20 minutes with 50 volts and 400 amperes . An increase in the size of the pipe increases the amount of current to 500 amperes for each ad- ditional quarter - inch in diameter . Value ...
... amperes , or a 250 - foot pipe can be thawed out in 20 minutes with 50 volts and 400 amperes . An increase in the size of the pipe increases the amount of current to 500 amperes for each ad- ditional quarter - inch in diameter . Value ...
Page 72
... amperes . The full voltage of the sec- ondary coils is thus sufficient for the largest size of pipe . With a voltage of 75 and current of 400 amperes , a ten- foot pipe 1,000 feet in length could be thawed out within a trifle over two ...
... amperes . The full voltage of the sec- ondary coils is thus sufficient for the largest size of pipe . With a voltage of 75 and current of 400 amperes , a ten- foot pipe 1,000 feet in length could be thawed out within a trifle over two ...
Page 94
... amperes , which will be the current flowing through the bell . Now , the drop in vol- tage over the bell , r , will ... amperes . If the voltage is 1,000 and the current is 1 ampere , then the power equals EI = 1,000 × 1 = 1,000 watts ...
... amperes , which will be the current flowing through the bell . Now , the drop in vol- tage over the bell , r , will ... amperes . If the voltage is 1,000 and the current is 1 ampere , then the power equals EI = 1,000 × 1 = 1,000 watts ...
Page 95
to produce a current of one ampere at 1,000 volts , as it does to produce a cur- rent of one ampere at 100 volts . Equalizing Generators QUESTION : I have four direct - current gen- erators , two 400 - K . W. and two 250 - K . W. We ...
to produce a current of one ampere at 1,000 volts , as it does to produce a cur- rent of one ampere at 100 volts . Equalizing Generators QUESTION : I have four direct - current gen- erators , two 400 - K . W. and two 250 - K . W. We ...
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