Engineering/Chemical Engineering Mcq Question Set 8 Sample Test,Sample questions

Question:
 A gas mixture contains 20% CO, 30% SO2, and 50% N2, if the partial pressure of N2 is 5 atm at 27oC, what is the molar volume of N2?

1.2.4 liter

2.3.7 liter

3.4.9 liter

4. 5.6 liter


Question:
 A gas mixture contains 30% CO2, 40% O2, 30% N2, if the partial pressure of CO2 is 6 Pa, what is the total pressure of gas mixture?

1.6 Pa

2.10 Pa

3. 20 Pa

4.60 Pa


Question:
 A gas mixture with 20% Neon with pressure 3 atm at 27oC is entered a reactor with rate F, and another stream with pure Neon with 2 atm pressure at 27oC entered the reactor with rate 5 liter/s, product has 40% Neon with same conditions with rate P, what is the value of F?

1. 3 liter/s

2. 15 liter/s

3.30 liter/s

4. 45 liter/s


Question:
 A gas mixture with 20% O2 with pressure 100 Pa at 27oC at the rate 50 liter/s is passed through a reactor and products a gas mixture with 40% O2 with pressure 25 Pa at 27oC, what is the rate of product?

1.50 liter/s

2. 100 liter/s

3.200 liter/s

4.400 liter/s


Question:
 A mixture with 60% O2 and 40% H2 with pressure 5 Pa at 27oC at the rate 15 liter/s is passed through a reactor with another stream containing pure H2 with pressure 10 Pa at 27oC at the rate 5 liter/s, what is the fraction of H2 with pressure 5 Pa at 27oC in product?

1. 0.2

2.0.4

3.0.6

4. 0.83


Question:
 CH4 with pressure 10 atm and volume 5 liter at 27oC is passed into a reactor with 50% excess oxygen, how many moles of oxygen is left in the products?

1.2

2.4

3.6

4.8


Question:
 gas mixture with 50% Ar with pressure 80 Pa at 0oC at the rate 5 liter/s is passed through a reactor and products a gas mixture with 80% Ar with pressure 50 Pa at 27oC, what is the rate of product?

1. 5 liter/s

2. 10 liter/s

3. 20 liter/s

4.40 liter/s


Question:
 The highest pressure gas of a mixture has partial pressure p, the partial pressure of other gases decreases by factor of 2n-1, the partial pressure of second gases decreases by a factor of 2, partial pressure of third gas increases by 4, and so on, if the total pressure of gas mixture is 31p/16, how many gases are present in the mixture?

1.3

2. 5

3.10

4.15


Question:
 What is the value of C?

1.400 Kg/hr

2.689.5 Kg/hr

3.819.6 Kg/hr

4.959.2 Kg/hr


Question:
 What is the value of P?

1.2.5 mole

2.5 mole

3.7.5 mole

4.10 mole/s


Question:
A bypass stream does not go through which of the following?

1. Mixer

2. Process

3. Separator

4.None of the mentioned


Question:
A container has gas mixture of 20% H2 and 80% N2 with total pressure P, now same amount of O2 is added to the mixture, what is the new partial pressure of N2?

1.0.2P

2.0.8P

3. P

4.1.6P


Question:
A container has gas mixture of 40% CO2 and 60% H2 with total pressure 10 Pa, if now O2 is added to it isothermally so that the final composition of the mixture becomes 20% CO2, 30% H2, and 50% O2, what is the partial pressure of O2 in the new composition?

1.5 Pa

2.10 Pa

3.20 Pa

4.35 Pa


Question:
A container has two gases at 27oC, one with molar volume 6 L/mole, another with molar volume 3 L/mole, what is the total pressure of the container?

1.6.9 atm

2.8.5 atm

3.12.3 atm

4. 15.8 atm


Question:
A container with total volume 10 liter is filled with 20% of O2, 40% of N2, and 40% of CO, what is the volume of O2?

1.2 liter

2.4 liter

3. 8 liter

4. 10 liter


Question:
A gas mixture comprises of 20% CO2, 50% O2, and 30% N2 has the total pressure 100 Pa at temperature -73oC, if the temperature is increased to 27oC, what is the new partial pressure of N2?

1.15 Pa

2. 30 Pa

3.45 Pa

4.60 Pa


Question:
A gas mixture has 10% CH4 with pressure 5 Pa at 27oC at the rate F, is passed through a reactor with another stream containing 60% CH4 with pressure 5 Pa at -73oC at the rate 10 liter/s, if the percentage of CH4 with pressure 5 Pa at 27oC in product is 80%, what is the value of F?

1. 1 liter/s

2. 1.4 liter/s

3.2 liter/s

4.2.6 liter/s


Question:
A gas mixture has 30% O2, 40% H2, and 30% N2 with molar volume of N2 10 L/mole at temperature 27oC, what is the partial pressure of H2?

1.2.4 atm

2.3.6 atm

3.4.8 atm

4.6.4 atm


Question:
A gas mixture with 10% H2 with pressure 15 Pa at 27oC at the rate 20 liter/s is passed through a reactor and products a gas mixture with 30% H2 with pressure 25 Pa at 27oC, what is the rate of product?

1.4 liter/s

2.10 liter/s

3. 24 liter/s

4.30 liter/s


Question:
A gas mixture with 50% H2 at the rate F is passed through a reactor and it produced a gas mixture with 80% H2 at the rate 15 liter/s, what is the value of F?

1. 5 liter/s

2.8 liter/s

3.15 liter/s

4.24 liter/s


Question:
A gas mixture with 6% O2 with pressure 1 atm at 27oC is entered a reactor with rate F, and another stream with pure O2 with 2 atm pressure at 27oC entered the reactor with rate 1 liter/s, product has 10% O2 with same conditions with rate P, what is the value of F?

1. 575.5 liter/s

2.725 liter/s

3.895 liter/s

4.997.5 liter/s


Question:
A reactor is supplied with 45 moles of C, and it undergoes following reactions C + 0.5O2 -> CO and C + O2 -> CO2, if 25 moles of CO2 was produced and 6 moles of C remains unreacted, what are the number of moles of CO produced?

1.6

2.9

3.14

4.17


Question:
A vessel contains 10 moles of O2 and some other gases, total pressure is 10 atm, what is the partial pressure of O2?

1.1 atm

2.10 atm

3.100 atm

4.Cannot be determined


Question:
CH4 with pressure 10 atm and volume 10 liter at 27oC is passed into a reactor with 20% excess oxygen, how many moles of oxygen is left in the products?

1.2

2.4

3.6

4.8


Question:
CO with pressure 10 atm at 27oC is passed through a reactor with O2, what is the pressure of CO2 produced if 60% CO reacted?

1.2 atm

2. 6 atm

3.10 atm

4.14 atm


Question:
Glucose with pressure 10 atm at 27oC is passed through a reactor with O2, what is the temperature of CO2 produced if pressure becomes thrice?

1.150 K

2.240 K

3.300 K

4.330 K


Question:
H2 at 27oC with pressure 10 atm and volume 10 liter is passed through a reactor with 6 moles of oxygen, if the limiting reagent reacts completely, how many moles of oxygen is left unreacted?

1.1

2.2

3.4

4.6


Question:
How many moles of H2 are recycled?

1. 1.5

2.2.2

3. 2.8

4. 3.9


Question:
N2 with pressure 10 atm and H2 with pressure 30 atm, both with volume 10 liter at 27oC are passed into a reactor, how many moles NH3 is produced?

1.4

2. 8

3.12

4. 16


Question:
The fraction of gas in a container is 0.1, if the total pressure of the container is 10 atm, what is the partial pressure of the gas?

1.1 atm

2.5 atm

3. 10 atm

4.20 atm


Question:
The fraction of gas in a container is 0.5, if the total volume of the container is 6 liter, what is the volume of the gas?

1.2 liter

2.3 liter

3. 5 liter

4. 6 liter


Question:
What is the fraction of N2 in purge stream?

1.0.04

2. 0.05

3.0.16

4. 0.4


Question:
What is the partial pressure of O2 with fraction 0.1, if the total pressure is 10 Pa?

1. 1 Pa

2.3 Pa

3.5 Pa

4.7 Pa


Question:
What is the total pressure of contained if it contains 0.3 fraction of N2 with partial pressure 8 Pa, 0.3 fraction of H2 with partial pressure 2 Pa, 0.4 fraction of CO2 with partial pressure 15 Pa?

1. 6.4 Pa

2.7 Pa

3.8.5 Pa

4. 9 Pa


Question:
What is the total pressure of contained if it contains 0.5 fraction of O2 with partial pressure 3 Pa, 0.3 fraction of H2 with partial pressure 5 Pa, 0.2 fraction of CO2 with partial pressure 15 Pa?

1.6 Pa

2. 7 Pa

3. 8 Pa

4.9 Pa


Question:
What is the value of B?

1.7.5 mole/hr

2.15 mole/hr

3.20 mole/hr

4.22.5 mole/hr


Question:
What is the value of B?

1.100 Kg/hr

2.200 Kg/hr

3.300 Kg/hr

4.400 Kg/hr


Question:
What is the value of G?

1.12.5 mole/hr

2.25 mole/hr

3.37.5 mole/hr

4. 50 mole/hr


Question:
What is the value of H?

1. 5 mole/hr

2.7.5 mole/hr

3.10 mole/hr

4.12.5 mole/hr


Question:
What is the value of R?

1.1.4

2.2.8

3. 4.2

4. 6.8


Question:
What is the value of W?

1. 5 mole/hr

2.10 mole/hr

3.20 mole/hr

4.25 mole/hr


Question:
Which of the following composition can be controlled by a bypass stream?

1.Exit stream

2.Feed

3.Process

4.None of the mentioned


Question:
Which of the following composition is controlled by purge stream?

1. Feed

2.Product stream

3.Recycle stream

4.None of the mentioned


Question:
Which of the following does the purge stream comes from?

1.Feed stream

2.Product stream

3.Recycle stream

4.None of the mentioned


Question:
Which of the following is decreased by the bypass stream?

1. Feed

2.Product

3. Feed & Product

4.None of the mentioned


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