Engineering, 12.07.2019 21:10 jthollis8812
Acompression ignition engine is to be modeled using the ideal air-standard diesel cycle using constant specific heat (use cp = 0.240 [btu/(lbm r) and k = 1.4). this engine has a compression ratio of 20 and 400 [btu/lbm] are added during the heat addition process, and the state 1 temperature and pressure are 100°f and 15 [psia], respectively. calculate a)-the temperature and pressure after compression b)-the temperature and pressure after heat addition c)-the cutoff ratio d)-the thermal efficiency e)-the mean-effective pressure
Answers: 1
Another question on Engineering
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
Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.
Answers: 3
Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
Answers: 2
Engineering, 04.07.2019 18:10
Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
Answers: 1
You know the right answer?
Acompression ignition engine is to be modeled using the ideal air-standard diesel cycle using consta...
Questions
Geography, 16.09.2019 08:30
Mathematics, 16.09.2019 08:30
English, 16.09.2019 08:30
History, 16.09.2019 08:30
Mathematics, 16.09.2019 08:30
Mathematics, 16.09.2019 08:30
English, 16.09.2019 08:30
English, 16.09.2019 08:30
