Summary Of Steady-State Devices (And Graphs)

Question 1

Picture of a turbine

And function

Answer 1

Convert thermal energy to work

Question 2

Picture of a compressor

And function

Answer 2

Increase pressure of a vapour or steam

Question 3

Picture of a pump

And function

Answer 3

Increase pressure of a liquid stream

Question 4

Picture of a throttling valve

And function

Answer 4

Drop pressure

Question 5

Picture of a mixer

And function

Answer 5

Provide desired properties for a mixed stream

Question 6

Picture of a heat exchanger (entire unit as CV)

And function

Answer 6

Transfer thermal energy from one stream to another

Question 7

Picture of a heat exchanger (stream A as CV)

And function

Answer 7

Transfer thermal energy from one stream to another

Question 8

Picture of a nozzle

And function

Answer 8

Increase velocity

Question 9

Picture of a diffuser

And function

Answer 9

Increase pressure (decrease velocity)

Question 10

Turbine: terms for first law

Answer 10

Question 11

Compressor: terms for first law

Answer 11

Question 12

Pump: terms for first law

Answer 12

Question 13

Throttling valve: terms for first law

Answer 13

Question 14

Mixer: terms for first law

Answer 14

Question 15

Heat exchanger (entire unit as CV) : terms for first law

Answer 15

Question 16

Heat exchanger (stream A as CV): terms for first law

Answer 16

Question 17

Nozzle: terms for first law

Answer 17

Question 18

Diffuser: terms for first law

Answer 18

Question 19

Applying First Law to CLOSED systems: first step

Answer 19

Question 20

Applying First Law to CLOSED systems: what’s after this

Answer 20

Question 21

Applying First Law to CLOSED systems: what’s after this (2)

Answer 21

Question 22

Applying First Law to CLOSED systems: what’s after this

Answer 22

Question 23

Applying First Law to CLOSED systems: what’s after this

Answer 23

Question 24

Applying First Law to CLOSED systems: what’s after this

Answer 24

Question 25

Applying First Law to CLOSED systems: what’s after these (2)

Answer 25

Question 26

What are the 3 regions on both types of graphs

Answer 26

Question 27

What are the two lines on both of the graphs

Answer 27

Question 28

Describe the 2 lines paths on a T-v diagram

Answer 28

Question 29

Describe the 2 line paths on a P-v diagram

Answer 29