【单选题】Calculate the transmission efficiency of the line with a resistance of 10 Ω and inductive reactance of 15 Ω used to deliver a factory load of 33 kV, 1100 kW at 0.9 lag.
【简答题】A company budgets to make product
DOY in 200 hours in a year. Actual output during the year was
900 units which took 250 hours to make. Standard time allowed per unit was
15 minutes. Required: Calcula...
【简答题】________ neglecting our education, my father sent my brother and me to a summer school. A) Accused of B) Accusing of C) That he was accused of D) To be accused of
【简答题】A company budgets to make 40,000
units of product DOY in 4,000 hours in a year. Actual output during the year was
38,000 units which took 4,180 hours to make. Required: Calculate the labour efficiency...
【单选题】已知工作A的紧后工作是B和C,工作B的最迟开始时间为第14天,最早开始时间为第10天,工作C的最迟完成时间为第16天,最早完成时间为第14天。工作A的自由时差为5天,则工作A的总时差为( )天。
【单选题】已知工作A的紧后工作是B和C,工作B的最迟开始时间为14,最开始时间为10工作C的最迟完成时间为16,最早完成时间为14工作A的自由时差为5天,则工作A的总时差为( )天。
【单选题】已知工作A的紧后工作是B和C,工作B的最迟开始时间为14,最早开始时间为10;工作C的最迟完成时间为16,最早完成时间为14;工作A的自由时差为5天,则工作A的总时差为( )天。