Word: perring
(lookup in dictionary)
(lookup stats)
Dates: during 1910-1919
Sort By: most recent first
(reverse)
...feeder burn-outs. He went on to point out the value of induction generators which operate in parallel with turbo-units in limiting the excessive rush of short-circuit burn-outs. The direct current end of the system was then discussed. On the Interborough Rapid Transit Company about 88 per cent, of the alternating current power which is generated is delivered to the third rail. The losses which are sustained take place as follows: transmission, 2 per cent.; transformers, 3 per cent.; converters, 5 per cent.; and auxiliaries, 2 per cent...
...showed the finctuations of night and day, and of winter and summer, both for lighting and railways; and compared the different kinds of engines used. In running a power plant it is the fixed charges that must be watched closely, and Mr. Rhodes figured that the average fixed charges per annum for the various different engines amounts to 12 1-2 per cent. of the initial cost, the distribution being as follows: interest, 6 per cent.; depreciation, 5 per cent.; and insurance and taxes, 1 1-2 per cent. Since the fixed charges are so important there has been...
...average number eating at the Princeton Commons this year is 760 per week, the cost per man is $5.50, and the number of guests is comparatively small
...passed and 62 failed, and 59 German examinations, 29 of which were passed and 30 failed. Of the 719 examinations given to both classes, 486 were in French and 233 (less than one-half as many) in German. Of the 486 French examinations, 261, or a little over 53 per cent., were passed, and 225 failed; of the 233 German examinations, 118, or a little over 56 per cent, were passed, and 115 failed...
Altogether 379, or a little over 52 per cent, of the examinations have been passed, and 340 have failed. Some of these failures, however, were made by men who passed at subsequent trials in later examination periods. From these figures it will be seen that while two-thirds of the examinations are given in French, only about one-half of either French or German examinations are passed...