25 + Mcqs in Material Balances Involving Combustion in Chemical Engineering Page 1 McqOptions

1.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of H2O in products?
A.	5.8%
B.	9.5%
C.	15.4%
D.	20.7%View answer
Answer» C. 15.4%

Discussion

2.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of N2 in products?
A.	25.4%
B.	45.2%
C.	75.2%
D.	95.6%View answer
Answer» D. 95.6%View answer

Discussion

3.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of CO2 in products?
A.	4.7%
B.	10.4%
C.	16.5%
D.	24.3%View answer
Answer» B. 10.4%

Discussion

4.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of O2 in products?
A.	10.4%
B.	25.8%
C.	45.6%
D.	78.2%View answer
Answer» B. 25.8%

Discussion

5.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the rate of products?
A.	900 moles
B.	950 moles
C.	1000 moles
D.	1050 molesView answer
Answer» E.

Discussion

6.	Octane is burnt with 40% excess O2, what is the percentage of CO2 in products?
A.	18.18%
B.	36.36%
C.	54.54%
D.	72.72%View answer
Answer» C. 54.54%

Discussion

7.	Propane is burnt with 20% excess O2, what is the percentage of CO2 in products?
A.	12.5%
B.	25%
C.	45%
D.	75.5%View answer
Answer» B. 25%

Discussion

8.	Pentane is burnt with 100% of excess air, what is the percentage of H2O in the products?
A.	12.4%
B.	34.6%
C.	42.1%
D.	56.9%View answer
Answer» D. 56.9%View answer

Discussion

9.	Ethene is burnt with 150% of excess air, what is the percentage of O2 in the products?
A.	12.5%
B.	33.3%
C.	45.4%
D.	52.9%View answer
Answer» E.

Discussion

10.	Ethene is burnt with 50% of excess air, what is the percentage of CO2 in the products?
A.	11.11%
B.	36.36%
C.	66.66%
D.	72.72%View answer
Answer» C. 66.66%

Discussion

11.	144 grams of C5H12 is burnt with 64 grams O2, and 44 grams of CO2 is formed, what is the percentage of excess O2?
A.	25%
B.	50%
C.	75%
D.	100%View answer
Answer» B. 50%

Discussion

12.	The extent of a reaction is 10, and the stoichiometric coefficient of O2 is 2.5, if the moles of O2 entering the process is 45, what is the percentage of excess air?
A.	20%
B.	40%
C.	60%
D.	80%View answer
Answer» E.

Discussion

13.	OCTANE_IS_BURNT_WITH_40%_EXCESS_O2,_WHAT_IS_THE_PERCENTAGE_OF_CO2_IN_PRODUCTS??$
A.	18.18%
B.	36.36%
C.	54.54%
D.	72.72%
Answer» C. 54.54%

Discussion

14.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O₂, N₂, CO₂ and H₂O, what is the percentage of H₂O in products?
A.	5.8%
B.	9.5%
C.	15.4%
D.	20.7%
Answer» C. 15.4%

Discussion

15.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O₂, N₂, CO₂ and H₂O, what is the percentage of N₂ in products?
A.	25.4%
B.	45.2%
C.	75.2%
D.	95.6%
Answer» D. 95.6%

Discussion

16.	Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O₂, N₂, CO₂ and H₂O, what is the percentage of CO₂ in products?
A.	4.7%
B.	10.4%
C.	16.5%
D.	24.3%
Answer» B. 10.4%

Discussion

17.	Propane is burnt with 20% excess O₂, what is the percentage of CO₂ in products?
A.	12.5%
B.	25%
C.	45%
D.	75.5%
Answer» B. 25%

Discussion

18.	Pentane is burnt with 100% of excess air, what is the percentage of H₂O in the products?
A.	12.4%
B.	34.6%
C.	42.1%
D.	56.9%
Answer» D. 56.9%

Discussion

19.	Ethene is burnt with 150% of excess air, what is the percentage of O₂ in the products?
A.	12.5%
B.	33.3%
C.	45.4%
D.	52.9%
Answer» E.

Discussion

20.	Ethene is burnt with 50% of excess air, what is the percentage of CO₂ in the products?
A.	11.11%
B.	36.36%
C.	66.66%
D.	72.72%
Answer» C. 66.66%

Discussion

21.	144 grams of C₅H₁₂ is burnt with 64 grams O₂, and 44 grams of CO₂ is formed, what is the percentage of excess O₂?
A.	25%
B.	50%
C.	75%
D.	100%
Answer» B. 50%

Discussion

22.	The extent of a reaction is 10, and the stoichiometric coefficient of O₂ is 2.5, if the moles of O₂ entering the process is 45, what is the percentage of excess air?
A.	20%
B.	40%
C.	60%
D.	80%
Answer» E.

Discussion

23.	10 moles of ethane is supplied with 49 moles of oxygen, what is the percentage of excess oxygen?
A.	20%
B.	40%
C.	50%
D.	70%
Answer» C. 50%

Discussion

24.	What is the percentage of excess air if 50 grams of air is in excess and 150 grams of air enters the process?
A.	10%
B.	25%
C.	50%
D.	100%
Answer» D. 100%

Discussion

25.	What is the percentage of excess air, if 10 moles of air entered the process and only 5 moles of that are required?
A.	10%
B.	50%
C.	75%
D.	100%
Answer» E.

Discussion

Explore topic-wise MCQs in Chemical Engineering.

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of H2O in products?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of N2 in products?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of CO2 in products?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of O2 in products?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the rate of products?

Octane is burnt with 40% excess O2, what is the percentage of CO2 in products?

Propane is burnt with 20% excess O2, what is the percentage of CO2 in products?

Pentane is burnt with 100% of excess air, what is the percentage of H2O in the products?

Ethene is burnt with 150% of excess air, what is the percentage of O2 in the products?

Ethene is burnt with 50% of excess air, what is the percentage of CO2 in the products?

144 grams of C5H12 is burnt with 64 grams O2, and 44 grams of CO2 is formed, what is the percentage of excess O2?

The extent of a reaction is 10, and the stoichiometric coefficient of O2 is 2.5, if the moles of O2 entering the process is 45, what is the percentage of excess air?

OCTANE_IS_BURNT_WITH_40%_EXCESS_O2,_WHAT_IS_THE_PERCENTAGE_OF_CO2_IN_PRODUCTS??$

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of H2O in products?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of N2 in products?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of CO2 in products?

Propane is burnt with 20% excess O2, what is the percentage of CO2 in products?

Pentane is burnt with 100% of excess air, what is the percentage of H2O in the products?

Ethene is burnt with 150% of excess air, what is the percentage of O2 in the products?

Ethene is burnt with 50% of excess air, what is the percentage of CO2 in the products?

144 grams of C5H12 is burnt with 64 grams O2, and 44 grams of CO2 is formed, what is the percentage of excess O2?

The extent of a reaction is 10, and the stoichiometric coefficient of O2 is 2.5, if the moles of O2 entering the process is 45, what is the percentage of excess air?

10 moles of ethane is supplied with 49 moles of oxygen, what is the percentage of excess oxygen?

What is the percentage of excess air if 50 grams of air is in excess and 150 grams of air enters the process?

What is the percentage of excess air, if 10 moles of air entered the process and only 5 moles of that are required?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O₂, N₂, CO₂ and H₂O, what is the percentage of H₂O in products?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O₂, N₂, CO₂ and H₂O, what is the percentage of N₂ in products?

Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O₂, N₂, CO₂ and H₂O, what is the percentage of CO₂ in products?

Propane is burnt with 20% excess O₂, what is the percentage of CO₂ in products?

Pentane is burnt with 100% of excess air, what is the percentage of H₂O in the products?

Ethene is burnt with 150% of excess air, what is the percentage of O₂ in the products?

Ethene is burnt with 50% of excess air, what is the percentage of CO₂ in the products?

144 grams of C₅H₁₂ is burnt with 64 grams O₂, and 44 grams of CO₂ is formed, what is the percentage of excess O₂?

The extent of a reaction is 10, and the stoichiometric coefficient of O₂ is 2.5, if the moles of O₂ entering the process is 45, what is the percentage of excess air?