subject
Engineering, 30.08.2019 17:20 KetaFord1978

Which of the following statements is true? in any practical thermodynamic process, the entropy of an isolated system will (a) decrease only (b) increase only (c) remain the same (d) increase and then decrease (e) decrease and then increase.

ansver
Answers: 2

Another question on Engineering

question
Engineering, 04.07.2019 18:10
The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length
Answers: 2
question
Engineering, 04.07.2019 18:20
What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.
Answers: 3
question
Engineering, 04.07.2019 19:20
Heat transfer by is the fastest mode of heat transfer that requires no intervening medium. a)-conduction b)-convection c)-radiation d)-conduction and convection
Answers: 1
question
Engineering, 04.07.2019 19:20
Asimple speed reducer is composed of 2 spur gears. the pinion gear has a pitch diameter of 0.75" and 36 teeth while the driven gear has a pitch diameter of 4.0" and 192 teeth. a)-what is the diametral pitch of each gear? b)-if an electric motor rotating ccw at 3000 rpm is coupled to the pinion, what is the rotational speed of the driven gear? c)-if the torque delivered to the pinion is 1 n-m, what is the torque on the driven gear? d)-what is the power transmitted by the gear train?
Answers: 1
You know the right answer?
Which of the following statements is true? in any practical thermodynamic process, the entropy of a...
Questions
question
Social Studies, 09.07.2021 14:00
question
Mathematics, 09.07.2021 14:00
question
History, 09.07.2021 14:00