Engineering, 19.11.2019 01:31 prettygirl2204
Apump is to be used to fill two storage tanks. the pump is manaually started by the operator from the start/stop section. when the first tank is full, the control logic must be able to automaticly stop the flow to the first tank and direct the flow to the second tank through the use of sensors and electric solenoid valves. when the second tank is full, the pump must be shut down automatically. indicator lamps are to be included to signal when each tank is full. a. draw a sketch of the process b. prepare a typical plc program for this control process
Answers: 1
Engineering, 03.07.2019 14:10
When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point
Answers: 3
Engineering, 04.07.2019 18:10
At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
Engineering, 04.07.2019 18:10
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
Engineering, 04.07.2019 18:10
Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation
Answers: 1
Apump is to be used to fill two storage tanks. the pump is manaually started by the operator from th...
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