# 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

Posted Date:-2022-03-11 13:12:39

## 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

Posted Date:-2022-03-11 13:09:59

## 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

Posted Date:-2022-03-11 12:54:08

## 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

Posted Date:-2022-03-11 13:04:36

## 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

Posted Date:-2022-03-11 13:03:30

## 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

Posted Date:-2022-03-11 13:03:06

## 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

Posted Date:-2022-03-11 12:56:56

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

1.0oR

2. 32oR

3.492oR

4. 672oR

Posted Date:-2022-03-11 13:17:01

## 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

Posted Date:-2022-03-11 13:09:37

## 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

Posted Date:-2022-03-11 13:11:06

## 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

Posted Date:-2022-03-11 13:10:27

## 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

Posted Date:-2022-03-11 13:11:28

## 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

Posted Date:-2022-03-11 13:12:19

## 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

Posted Date:-2022-03-11 13:11:51

## 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

Posted Date:-2022-03-11 13:01:40

## 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

Posted Date:-2022-03-11 13:09:15

## 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

Posted Date:-2022-03-11 13:02:15

## 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

Posted Date:-2022-03-11 13:02:40

## Question: `Absolute zero temperature is approximately equal to?`

1.-160oR

2. -273oR

3.-373oR

4.-460oR

Posted Date:-2022-03-11 13:14:09

## Question: `API gravity is measured in,`

1.Gravity meter scale

2.Hydrometer scale

3.Richer scale

4.None of the mentioned

Posted Date:-2022-03-11 12:52:11

## 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

Posted Date:-2022-03-11 12:52:35

## 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

Posted Date:-2022-03-13 10:02:45

## 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

Posted Date:-2022-03-11 13:01:19

## 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

Posted Date:-2022-03-11 13:14:59

## 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

Posted Date:-2022-03-11 13:14:32

## 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

Posted Date:-2022-03-11 12:46:17

## 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

Posted Date:-2022-03-11 13:15:21

## 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

Posted Date:-2022-03-11 13:08:52

## 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

Posted Date:-2022-03-11 13:17:43

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

1. 131.5

2.141.5

3.10

4.50

Posted Date:-2022-03-11 12:53:03

## 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

Posted Date:-2022-03-11 12:53:41

## Question: `What is the compressibility of ideal gases?`

1.1

2.2

3. 3

4. 4

Posted Date:-2022-03-13 10:01:17

## 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

Posted Date:-2022-03-11 12:59:09

## 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

Posted Date:-2022-03-11 12:58:43

## 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

Posted Date:-2022-03-11 12:59:56

## 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

Posted Date:-2022-03-11 13:08:18

## 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

Posted Date:-2022-03-11 12:51:44

## 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

Posted Date:-2022-03-11 13:03:51

## 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

Posted Date:-2022-03-11 13:04:14

## 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

Posted Date:-2022-03-11 13:05:18

## 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

Posted Date:-2022-03-11 12:59:31

## 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

Posted Date:-2022-03-13 10:02:02

## 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

Posted Date:-2022-03-13 10:02:22

## 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

Posted Date:-2022-03-11 12:56:10

## 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

Posted Date:-2022-03-11 12:56:33

## 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

Posted Date:-2022-03-11 12:51:17

## 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

Posted Date:-2022-03-11 12:57:46

## 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

Posted Date:-2022-03-11 12:57:20

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

1.212oF

2. 460oF

3.672oF

4.884oF

Posted Date:-2022-03-11 13:16:21

## Question: `Which of the following is greatest?`

1.10oC

2.10oR

3. 10oF

4. 10 K

Posted Date:-2022-03-11 13:13:45

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

1.Celsius

2.Fahrenheit

3. Therm

4.Rankine

Posted Date:-2022-03-11 13:13:21

## 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

Posted Date:-2022-03-11 13:06:59

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

1.Mole/m3

2.Molar

3. N/m3

4.ppm

Posted Date:-2022-03-11 12:58:20

## 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

Posted Date:-2022-03-11 13:06:37

## 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

Posted Date:-2022-03-13 10:01:41

## More MCQS

##### R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!