subject
Engineering, 14.06.2020 07:57 laywah4

1.Twenty machines are operated for 100 hours. One machine fails in 60 hours and another fails in 70 hours. What is the mean time between failures?

ansver
Answers: 1

Another question on Engineering

question
Engineering, 04.07.2019 16:10
The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.
Answers: 1
question
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
question
Engineering, 04.07.2019 18:10
The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length
Answers: 2
question
Engineering, 04.07.2019 18:10
Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
Answers: 1
You know the right answer?
1.Twenty machines are operated for 100 hours. One machine fails in 60 hours and another fails in 70...
Questions
question
History, 06.04.2020 12:41
question
Mathematics, 06.04.2020 12:42
question
Mathematics, 06.04.2020 12:42
question
English, 06.04.2020 12:42
question
Mathematics, 06.04.2020 12:45
question
Mathematics, 06.04.2020 12:46
Questions on the website: 13722361