Engineering/Chemical Engineering Mcq Question Set 2 Sample Test,Sample questions

Question:
 24 grams of CH4 is passed in the process in 3 minutes, what is the molar flow rate?

1.0.1 mole/min

2. 0.3 mole/min

3. 0.5 mole/min

4.0.7 mole/min


Question:
 A Composition of carbon dioxide, oxygen and nitrogen with mole ratio 1:2:5 with 4 moles of oxygen, enters a reactor with a flow rate of 100 kg/s, the ratio of rates of leaving the reactor of the three is 5:2:1, and 5 moles of nitrogen leaves the reactor, what is the total number of moles leaving the reactor?

1.6.1

2.6.2

3. 6.3

4.6.4


Question:
 Mass of a substance is changing with respect to its volume as m = -v3 + 3v2 -2v, what is the maximum specific gravity of the substance between v = 1 m3 and v = 2 m3? (Density of reference substance = 0.25 kg/m3)

1. 1

2.2

3.3

4.4


Question:
 What is the molar concentration of a solution with 32 grams of SO2 in 0.5 liter solution?

1.1 mole/liter

2.2 mole/liter

3.3 mole/liter

4. 4 mole/liter


Question:
 What is the molar concentration of a solution with 40 gram of NaOH in 1 liter solution?

1.1 mole/liter

2.2 mole/liter

3.3 mole/liter

4. 4 mole/liter


Question:
 What is the molarity of the mixture of two solution, first solution 4 M and 10 liter and second solution 2 M and 40 liter?

1.1.2 M

2.2.4 M

3. 4.8 M

4. 9.2 M


Question:
 What is the specific gravity of 10 Kg of water occupied in 5 m3 with respect to 100 g/m3?

1. 1

2. 5

3.10

4.20


Question:
 What is the value of 273 K in degree Rankine?

1.0oR

2. 32oR

3.492oR

4. 672oR


Question:
1 mole of Carbon dioxide enters in a reactor at a rate of 0.25 kg/s and leaves it at the rate of 1 kg/s, what are the number of moles of carbon dioxide leaves the reactor?

1.0.25

2. 0.5

3.0.75

4. 1, 4


Question:
10 Kg/s of a fluid with density 10 Kg/m3 is passed into a tank of capacity 50 m3, how much time will it take to fill the tank?

1. 5 Second

2.50 Second

3.500 Second

4. 5000 Second


Question:
10 moles of oxygen divides and enters two reactors flow rate 45 kg/s and leaves the reactors at the flow rates of 6 kg/s and 9 kg/s, what are number of moles of oxygen that leaves the reactor with 9 kg/s?

1.180

2. 450

3.60

4.90


Question:
15 Kg/s of a fluid with density 5 Kg/m3 is passed into a tank of capacity 30 m3, how much time will it take to fill the tank?

1. 3 Second

2.10 Second

3. 30 Second

4.100 Second


Question:
16 grams of oxygen is passed in the process in 5 minutes, what is the molar flow rate?

1.0.1 mole/min

2.1 mole/min

3.10 mole/min

4.16 mole/min


Question:
20 Kg/s of a fluid with density 5 Kg/m3 is passed into a tank of capacity 60 m3, how much time will it take to fill the tank?

1.5 Second

2.10 Second

3.15 Second

4.20 Second


Question:
A 5 molar solution is 27.75% CaCl2 by mass, what is the density of the solution?

1. 1 g/cm3

2.2 g/cm3

3.3 g/cm3

4.4 g/cm3


Question:
A liquid of density 0.1 kg/m3 is flowing through a pipe at a rate of 15 kg/s, what will be the area of the pipe if the fluid velocity is 5 m/s?

1. 30 m2

2.45 m2

3. 75 m2

4.90 m2


Question:
A solution with density 1 g/cm3 has 98 grams of H2SO4 in 402 grams of water, what is the concentration of solution?

1.1 molar

2.2 molar

3.3 molar

4.4 molar


Question:
A solution with density 2 g/cm3, concentration 1 molar and weight 500 grams, then what is the mass of HNO3 in the solution?

1.63 grams

2.126 grams

3.189 grams

4. 252 grams


Question:
Absolute zero temperature is approximately equal to?

1.-160oR

2. -273oR

3.-373oR

4.-460oR


Question:
API gravity is measured in,

1.Gravity meter scale

2.Hydrometer scale

3.Richer scale

4.None of the mentioned


Question:
API gravity is necessary for the calculation of specific gravity of petroleum products, because

1.Volume of the petroleum products changes with temperature

2. Mass of petroleum products changes with temperature

3.Potential energy of petroleum products changes with temperature

4.None of the mentioned


Question:
At what temperature, does SO2 with compressibility 2 has pressure 5 atm and molar volume 10 mole/s?

1.300.5 K

2.304.5 K

3.310 K

4.312.5 K


Question:
How much Sodium is there in a solution with 10 Kg of solvent (Density = 5 Kg/m3) and concentration 4 molar?

1.23 grams

2.92 grams

3.184 grams

4.276 grams


Question:
If change in temperate is 180 degree Rankine, what is the change in temperature in degree Celsius?

1.100oC

2.180oC

3.212oC

4.273oC


Question:
If change in temperate is 212 degree Fahrenheit, what is the change in temperature in degree Rankine?

1.100oR

2. 212oR

3. 273oR

4.460oR


Question:
It is necessary to mention the temperature at which specific gravity is calculated, because

1.Mass of the substance changes with temperature

2.Rigidity of the substance changes with temperature

3.Density of the substance changes with temperature

4.None of the mentioned


Question:
Let us say temperature of a body in degree Celsius and degree Rankine are related as TC = 50 + 3TR, what is the change in temperature in Kelvin, if the change in temperature in degree Rankine is 100oR?

1.300 K

2.180 K

3.100 K

4. 90 K


Question:
The velocity of water in a pipe of area 5 m2 is 10 m/s, what will be the flow rate of water?

1. 25 m3/s

2.50 m3/s

3.75 m3/s

4.100 m3/s


Question:
Volume of an object is dependent upon its temperature in degree Celsius as V = a + bTC, what is the dependence of volume upon temperature in degree Rankine?

1.V = a + 32b + 9bTR/5

2. V = a + 492b + 9bTR/5

3.V = a + 492b + 5bTR/9

4.None of the mentioned


Question:
What is the API gravity of a substance with specific gravity 1?

1. 131.5

2.141.5

3.10

4.50


Question:
What is the average mass of a substance with specific gravity 10, and its volume varies with time as V = t/500, from t = 2, to t = 0 seconds? (Density of water = 1000 kg/m3)

1.25

2.20

3.40

4.75


Question:
What is the compressibility of ideal gases?

1.1

2.2

3. 3

4. 4


Question:
What is the concentration of 100 lbs. of solution occupying 25 m3 of volume?

1.1.8 Kg/m3

2.2.7 Kg/m3

3.4 Kg/m3

4.8 Kg/m3


Question:
What is the concentration of a 22 grams of carbon dioxide occupying 0.5 m3 volume?

1.1 mole/m3

2.2 mole/m3

3.11 mole/m3

4. 22 mole/m3


Question:
What is the concentration of a solution with 10 grams of calcium in 1000 m3 of water?

1. 150 ppm

2.250 ppm

3.800 ppm

4.1000 ppm


Question:
What is the mass flow rate of a liquid flowing through a pipe of which 100 grams of water was collected in 10 seconds?

1. 0.01 kg/s

2. 0.05 kg/s

3.0.1 kg/s

4.0.5 kg/s


Question:
What is the mass of a cone of radius 1 m and height 3 m having specific gravity 0.1? (Density of water = 1000 kg/m3)

1.314.16 kg

2.425.24 kg

3.136.16 kg

4.325.24 kg


Question:
What is the molar concentration of a solution with 32 grams of CH4 in 1 liter solution?

1.1 mole/liter

2. 2 mole/liter

3.3 mole/liter

4.4 mole/liter


Question:
What is the molar concentration of a solution with 44 grams of CO2 in 0.5 liter solution?

1. 1 mole/liter

2.2 mole/liter

3. 3 mole/liter

4.4 mole/liter


Question:
What is the molar concentration of a solution with 49 grams of H2SO4 in 0.5 liter solution?

1.1 mole/liter

2.2 mole/liter

3.3 mole/liter

4.4 mole/liter


Question:
What is the molarity of a solution with a mass of solute 10 kg mass and 100 liter volume?

1. 0.1 molar

2.1 molar

3.10 molar

4.100 molar


Question:
What is the pressure of CO2 gas with compressibility z = 0.8, if the ideal gas pressure of CO2 is 10 Pa, all other variables are same?

1. 5

2.8

3. 10

4.14


Question:
What is the pressure of H2 with compressibility 0.6, molar volume 5 liter/mole at 27oC?

1.2.9 atm

2.5.4 atm

3.9.6 atm

4. 14.5 atm


Question:
What is the specific gravity of 10 Kg of water occupied in 10 m3 with respect to 200 g/m3?

1. 0.2

2.0.5

3.1

4.5


Question:
What is the specific gravity of 5 Kg of water occupied in 10 m3 with respect to 500 g/m3?

1. 0.5

2. 1

3.2

4.5


Question:
What is the specific gravity of a substance with mass 10 kg and volume 2 m3, with respect to the reference density 50 g/m3?

1.0.1

2.0.2

3.0.3

4. 0.4


Question:
What is the specific gravity of N2 at 27oC and 6 Pa with respect to 0.1 Kg/m3?

1. 0.16

2.0.33

3.0.51

4.0.89


Question:
What is the specific gravity of O2 at 27oC and 60 Pa with respect to 1 Kg/m3?

1.0.15

2.0.28

3.0.54

4.0.76


Question:
What is the value of 100oC in degree Fahrenheit?

1.212oF

2. 460oF

3.672oF

4.884oF


Question:
Which of the following is greatest?

1.10oC

2.10oR

3. 10oF

4. 10 K


Question:
Which of the following is not a unit of temperature?

1.Celsius

2.Fahrenheit

3. Therm

4.Rankine


Question:
Which of the following is not conserved for the flow of an incompressible liquid in a pipe with variable area?

1.Mass

2.Volume

3.Velocity

4.Flow Rate


Question:
Which of the following is not the unit of concentration?

1.Mole/m3

2.Molar

3. N/m3

4.ppm


Question:
Which of the following is the unit of flow rate?

1.Kg/s

2. Liters/s

3. Liters/s

4.All of the Mentioned


Question:
Which of the following is true about compressibility of real gases?

1.Z = 1

2. Z < 1

3.Z > 1

4.Both Z < 1 and Z > 1


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