Engineering, 05.12.2019 23:31 lazypotato71
Acomposite wall is composed of 20 cm of concrete block with k = 0.5 w/m-k and 5 cm of foam insulation with k = 0.03 w/m-k. the temperature of on the foam side is 25oc while the temperature on the block side is 0oc. what is the temperature at the interface between the block and the foam?
Answers: 3
Engineering, 04.07.2019 18:10
Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
Answers: 2
Engineering, 04.07.2019 18:10
Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)
Answers: 3
Engineering, 04.07.2019 18:10
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
Answers: 3
Engineering, 04.07.2019 18:10
Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery
Answers: 2
Acomposite wall is composed of 20 cm of concrete block with k = 0.5 w/m-k and 5 cm of foam insulatio...
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