checalc (16-30)

Question 1

natural gas analyzer - % excess air:

Answer 1

% excess air: 26%

Question 2

pure methane is burned - % CO2 in ORSAT:

Answer 2

% CO2 in ORSAT: 5.88%

Question 3

solubility of NaNO3 - NaNO3 g crystals:

Answer 3

NaNO3 g crystals: 1.2432 g

Question 4

A fuel has the ff. constituents - calorific value:

Answer 4

calorific value: 47, 090 kJ/kg

Question 5

Burning of pure ethane - % excess air:

Answer 5

% excess air: 11.94%

Question 6

A triple effect evaporator - salt composition:

Answer 6

salt composition: 0.1538

Question 7

A gaseous fuel is composed of 20% methane - air fuel ratio:

Answer 7

air fuel ratio: 18.13

Question 8

a certain coal is pulverized - % excess O2:

Answer 8

% excess O2: 45.13%

Question 9

A gaseous fuel at 22C - % excess air:

Answer 9

% excess air: 40.09%

Question 10

a blast furnace - % O2 in ORSAT:

Answer 10

% O2 in ORSAT: 3%

Question 11

A continuous distillation column - makeup alcohol:

Answer 11

makeup alcohol: 462 kg

Question 12

A solvent dewaxing - barrels of solvent:

Answer 12

barrels of solvent: 37 bbl/d

Question 13

A relatively pure hydrocarbon - what is the hydrocarbon:

Answer 13

what is the hydrocarbon: C3H8 propane

Question 14

An evaporator - amount solids handled:

Answer 14

amount solids handled: 4000 kg

Question 15

A boiler is fired - % excess air:

Answer 15

% excess air: 65%