Chemical Engineering Principles Solved Correctly To Score A+
1. First Law of Thermodynamics Conservation of Energy
2. Second Law of Thermodynam- Increase of Entropy Principle
ics
3. Enthalpy Heat content of a substance based on reference temperature
4. Sensible Heat Heat loss or heat gained by a substance because of change of
temperature (+) if added to the fluid and (-) if lost by the fluid
5. Shaft Work W in U= Q + W
6. Heat, Q, when 1 lb of water is 47.55 kJ
heated from 0degC to 25degC
in kJ
7. 1 horsepower 550 ft.lbf/s
8. 1 Joule Equivalent in English 778 ft.lbf/BTU
Units
9. Potential Energy The energy carried by virtue of its height
10. Kinetic Energy The energy carried by virtue of its motion
11. Cp of dry air in SI Units 1.005 kJ/kg.degC
12. Cp of dry air in English Units 0.24 BTU/lbf.F
13. 1 kW 34,148 BTU/h
14. Doppler Turbine Meter
15. Advantage of Orifice Meter Easy to install, Less expensive, Easy to Maintain
1/8
, Chemical Engineering Principles Solved Correctly To Score A+
16. Advantage of Venturi Meter More eflcient
17. Pitot Tube Measures Velocity of Airplanes, measure local point velocity
18. Average Velocity 1/2 of Center Velocity
19. When two centrifugal pumps 1
are connected in SERIES, the
discharge changes by factor of
20. When two reciprocating 2
pumps are connected in paral-
lel, the volumetric capacity of
the system changes by a factor
of
21. The pressure drop in a pipeline 4
changes by a factor of (?) when
the velocity of the flowing fluid
is DOUBLED
22. Motors Machines which need energy to run
23. Cavitation occurs in a centrifu- Suction is lost
gal pump when
24. NPSH Net positive Suction Head
25. Pressure of water at 25degC in 0.456
psia
26. Pressure of water at 100degC 760.7
in mmHg
2/8
1. First Law of Thermodynamics Conservation of Energy
2. Second Law of Thermodynam- Increase of Entropy Principle
ics
3. Enthalpy Heat content of a substance based on reference temperature
4. Sensible Heat Heat loss or heat gained by a substance because of change of
temperature (+) if added to the fluid and (-) if lost by the fluid
5. Shaft Work W in U= Q + W
6. Heat, Q, when 1 lb of water is 47.55 kJ
heated from 0degC to 25degC
in kJ
7. 1 horsepower 550 ft.lbf/s
8. 1 Joule Equivalent in English 778 ft.lbf/BTU
Units
9. Potential Energy The energy carried by virtue of its height
10. Kinetic Energy The energy carried by virtue of its motion
11. Cp of dry air in SI Units 1.005 kJ/kg.degC
12. Cp of dry air in English Units 0.24 BTU/lbf.F
13. 1 kW 34,148 BTU/h
14. Doppler Turbine Meter
15. Advantage of Orifice Meter Easy to install, Less expensive, Easy to Maintain
1/8
, Chemical Engineering Principles Solved Correctly To Score A+
16. Advantage of Venturi Meter More eflcient
17. Pitot Tube Measures Velocity of Airplanes, measure local point velocity
18. Average Velocity 1/2 of Center Velocity
19. When two centrifugal pumps 1
are connected in SERIES, the
discharge changes by factor of
20. When two reciprocating 2
pumps are connected in paral-
lel, the volumetric capacity of
the system changes by a factor
of
21. The pressure drop in a pipeline 4
changes by a factor of (?) when
the velocity of the flowing fluid
is DOUBLED
22. Motors Machines which need energy to run
23. Cavitation occurs in a centrifu- Suction is lost
gal pump when
24. NPSH Net positive Suction Head
25. Pressure of water at 25degC in 0.456
psia
26. Pressure of water at 100degC 760.7
in mmHg
2/8
