Engineering, 13.10.2020 18:01 oreoassassin38
Which of the following is true of a constant? Choose all that apply.
It cannot be changed by the program as it runs
It is a data type
It is a procedure in a block of code
It can be changed by the program as it runs
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
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 controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.
Answers: 2
Engineering, 04.07.2019 19:10
Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?
Answers: 3
Which of the following is true of a constant? Choose all that apply.
It cannot be changed by the pr...
Mathematics, 15.11.2019 19:31
Mathematics, 15.11.2019 19:31
Mathematics, 15.11.2019 19:31
Mathematics, 15.11.2019 19:31
Mathematics, 15.11.2019 19:31
Mathematics, 15.11.2019 19:31
Mathematics, 15.11.2019 19:31
Mathematics, 15.11.2019 19:31
Mathematics, 15.11.2019 19:31