Engineering, 03.09.2019 19:30 hhhhhhhhhhhhhhh1509
Oscilloscope channel addition problem. read the following oscilloscope settings carefully. suppose you display a 1 khz, 2 v sine wave in channel a and a dc, 1v signal in channel b with sensitivities set on 1v/div. you select 'add' so that the two signals are combined and you readjust the position so the trace is in the middle of the screen. if you switch the signal in channel b from dc to ac, what will happen? (draw a picture if it .)
Answers: 2
Engineering, 03.07.2019 14:10
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
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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
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
Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
Answers: 1
Oscilloscope channel addition problem. read the following oscilloscope settings carefully. suppose y...
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