Engineering, 26.07.2019 19:20 nightangel175
The evaporator temperature in a vapor-compression refrigeration system is governed by the associated region temperature. a)-the compressor efficiency b)-cold (i. e. low temperature reservoir) c)-warm (i. e. high temperature reservoir) d)-the throttling valve efficiency
Answers: 2
Engineering, 04.07.2019 18:10
The higher the astm grain size number, the finer the gran is. a)-true b)-false
Answers: 2
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
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
Answers: 1
Engineering, 04.07.2019 19:10
Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m
Answers: 1
The evaporator temperature in a vapor-compression refrigeration system is governed by the associated...
History, 21.04.2020 01:01
Mathematics, 21.04.2020 01:01
Chemistry, 21.04.2020 01:02
History, 21.04.2020 01:02
Mathematics, 21.04.2020 01:02
History, 21.04.2020 01:02
Mathematics, 21.04.2020 01:02
History, 21.04.2020 01:02
Biology, 21.04.2020 01:02