Engineering, 02.02.2020 17:04 4300404440
Which one is incorrect regarding springs? (a) wires are typically round; (b) rectangular wires are no often recommended; (c) rectangular wires may not be as strong as round ones; (d) set removal is a process to induce residual stress; (e) set removal increases strength; () set removal is good for springs under fatigue
Answers: 3
Engineering, 04.07.2019 18:10
Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.
Answers: 2
Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
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 19:10
How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?
Answers: 2
Which one is incorrect regarding springs? (a) wires are typically round; (b) rectangular wires are...
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