A barometer has liquid-1 with density 1 Kg/m3 and height 10 cm below the outside level above that a liquid-2, if the gauge pressure of gas is 0.5 Pa, what is the pressure liquid-2?
1. 0.5 Pa
2.1 Pa
3.1.5 Pa
4. 2 Pa
Posted Date:-2022-03-11 14:03:22
A country is an example of which of the following?
1.Closed System
2.Open System
3. Isolated System
4.None of the mentioned
Posted Date:-2022-03-11 14:33:23
How is the boundary wall of a closed system?
1.Impermeable
2.Permeable
3.Rigid
4.None of the mentioned
Posted Date:-2022-03-11 14:30:17
The equation of material balance, (Final condition + Sum of outputs) is equal to which of the following?
1.Initial condition – Sum of inputs
2. Initial condition + Sum of inputs
3. Sum of inputs – Initial condition
4.None of the mentioned
Posted Date:-2022-03-11 14:04:18
The flow in rate of A and B are 4 mole/s and 8 mole/s respectively, which under goes reaction A + B -> 3C, what is the flow out rate of C?
1.4 mole/s
2.8 mole/s
3.12 mole/s
4.24 mole/s
Posted Date:-2022-03-11 14:40:17
There were 10 moles of a substance present initially in a system, 5 moles were added to it and a reaction occurred so that its moles are reduced by 20%, what are the final moles of a substance in the system?
1. 10
2.12
3.15
4.18
Posted Date:-2022-03-11 14:07:33
What is the accumulation in the system after 4 second if the out flow and in flow rates are 3 g/s and 8 g/s?
1.12 g
2. 20 g
3.32 g
4.40 g
Posted Date:-2022-03-11 14:37:23
10 moles of A were present in a system initially, and 10 moles are added to it, it follows the reaction 4A -> B, what are the number of moles of B produced?
1.5
2.10
3.15
4.20
Posted Date:-2022-03-11 14:06:51
10 moles of A were present in a system initially, and 10 moles of C are added to it, it follows the reaction 2A + C -> 5B, what is the number of moles of B produced?
1.5
2.10
3.25
4.50
Posted Date:-2022-03-11 14:07:13
10 moles of A were present in a system initially, and 12 moles of C are added to it, it undergoes the reaction 2A + 3C -> 2B, what are number of moles of B produced?
1. 4
2. 5
3.8
4.12
Posted Date:-2022-03-11 14:08:20
10 moles of A were present in a system initially, and 8 moles of C are added to it, it undergoes the reaction 5A + 3C -> 4B, what are number of moles of B produced?
1.4
2.6
3. 8
4.10
Posted Date:-2022-03-11 14:08:39
10 moles of O2 is added to 10 moles of H2, how many moles of H2O will it produce?
1.5
2. 10
3.15
4.20
Posted Date:-2022-03-11 14:05:00
8 moles of A were present in a system initially, and 24 moles of B are added to it, it undergoes the reaction 2A + 3B -> 4C + 5D, what are the number of moles of D produced?
1.10
2.20
3.30
4.40
Posted Date:-2022-03-11 14:09:00
A combustion reaction has reactants 1 mole of CxHy and 2 moles of O2 and products 1 mole of CO2 and 2 mole of H2O, what is x + y?
1.1
2.3
3.4
4. 5
Posted Date:-2022-03-11 14:05:23
A container has 10 grams of water 5 grams of water is added and 2 grams of water is taken out, what is the final amount of water?
1. 7 grams
2. 10 grams
3.13 grams
4.15 grams
Posted Date:-2022-03-11 14:04:38
A jar filled with water is an example of which of the following?
1.Closed System
2. Open System
3.Isolated System
4.None of the mentioned
Posted Date:-2022-03-11 14:31:37
A pressure cooker is an example of which of the following?
1.Closed System
2.Open System
3. Isolated System
4.None of the mentioned
Posted Date:-2022-03-11 14:33:03
A reaction has reactants 2 moles of NaOH and 1 mole of H2SO4, and products Na2SO4 and H2O, what are the total moles of products?
1.1
2.2
3.3
4. 4
Posted Date:-2022-03-11 14:06:06
A reaction is A + 2B -> 3C, if 2 moles of A and 4 moles of B entered the system, what are the number of moles of C formed?
1. 2
2.4
3. 6
4.8
Posted Date:-2022-03-11 14:06:32
A reactor has feed from 2 streams, one with rate 10 Kg/hr and other with 30 Kg/hr, and product side also has 2 streams one of which is at the rate of 15 Kg/hr, what is the rate of other product stream?
1.5 Kg/hr
2.15 Kg/hr
3. 25 Kg/hr
4. 35 Kg/hr
Posted Date:-2022-03-11 14:20:41
A reactor has feed of two streams, stream 1 has CO2 and H2O with mass fraction of 0.4 and 0.6 and rate 10 kg/hr, and stream 2 has CO2 and H2O with mass fraction 0.1 and 0.9 and rate 40 Kg/hr, what the mass fraction of CO2 in the product stream?
1. 0.08
2. 0.16
3.0.24
4. 0.32
Posted Date:-2022-03-11 14:20:11
A reactor has feed rate of 10 Kg/ hr and 5 Kg/hr and product rate of 9 Kg/hr, what is the efficiency of the reactor?
1.10%
2.30%
3.60%
4. 100%
Posted Date:-2022-03-11 14:22:16
A reactor has two feed streams with the ratio of their rate as 1:9 and has O2 and O3 with the mass fraction of 0.6 and 0.4 in stream 1 and 0.2 and 0.8 in stream 2, what is the mass fraction of O2 in the product side?
1.0.24
2.0.48
3.0.72
4.0.96
Posted Date:-2022-03-11 14:21:30
A reactor with efficiency 50%, has the feed CO2 and SO2 with mass fraction 0.4 and 0.6 with the rate 10 Kg/hr, what is the rate of CO2 in product side?
1.0.5 Kg/hr
2. 1 Kg/hr
3.1.5 Kg/hr
4.2 Kg/hr
Posted Date:-2022-03-11 14:21:54
An egg is an example of which of the following?
1.Closed System
2.Open System
3. Isolated System
4.None of the mentioned
Posted Date:-2022-03-11 14:34:13
Desert Cooler is an example of which of the following?
1.Closed System
2.Open System
3. Isolated System
4.None of the mentioned
Posted Date:-2022-03-11 14:31:02
Feed of a reactor has 0.25 mass fraction of H2O and 0.75 mass fraction of CO2 with rate 4 g/hr, if the product rate is 20 g/hr what is the mass of CO2 in the product side?
1.3 grams
2.9 grams
3.15 grams
4.21 grams
Posted Date:-2022-03-11 14:11:00
Feed of a reactor has 0.75 mass fraction of O2 and some SO2, if the product rate is 1000 Kg/hr then what is the rate of SO2 in the feed?
1.100 Kg/hr
2.250 Kg/hr
3.750 Kg/hr
4.1000 Kg/hr
Posted Date:-2022-03-11 14:21:03
In a random reaction 2 mole of CH4 and 1 mole of C2H4 are reacted, and 1 mole of C3H8 and 1 mole of CxHy are produced, what is x*y?
1.2
2. 4
3.8
4.12
Posted Date:-2022-03-11 14:05:46
In a system if, Accumulation = Generation – Consumption, where both the terms are distinct and non-zero, then the system is which of the following?
1.Steady-state
2.Closed
3.Non-reactive
4.None of the mentioned
Posted Date:-2022-03-11 14:47:35
In a system if, Accumulation = Input – Output + Generation – Consumption, where all the four terms are distinct and non-zero, then the system is which of the following?
1. Steady-state
2.Closed
3.Non-reactive
4.None of the mentioned
Posted Date:-2022-03-11 14:47:07
In a system if, Accumulation = Input – Output, where both the terms are distinct and non-zero, then the system is which of the following?
1.Steady-state
2.Closed
3.Non-reactive
4.None of the mentioned
Posted Date:-2022-03-11 14:48:19
The flow in rate of A and B are 5 mole/s and 10 mole/s respectively, which under goes reaction A + 2B -> 3C, what is the flow out rate of C?
1.5 mole/s
2.10 mole/s
3. 15 mole/s
4. 20 mole/s
Posted Date:-2022-03-11 14:39:54
The flow in rate of A and B are 8 mole/s and 10 mole/s respectively, which under goes reaction 4A + 5B -> 3C, what is the flow out rate of C?
1.4 mole/s
2.6 mole/s
3.8 mole/s
4.10 mole/s
Posted Date:-2022-03-11 14:40:40
The flow in rate of A is 5 mole/s, it undergoes a reaction A -> 2B, what are the moles of B that comes out after 5 seconds?
1. 5
2. 10
3.25
4.50
Posted Date:-2022-03-11 14:37:44
The flow in rate of A is 8 mole/s, it undergoes a reaction 3A -> B, what are the moles of B that comes out after 6 seconds?
1.5
2.8
3.10
4.16
Posted Date:-2022-03-11 14:38:11
The general material balance equation for reactive system is Accumulation = Input + Generation – x, what is x?
1.Consumption – Output
2.Consumption + Output
3.Output – Consumption
4. none of the mentioned
Posted Date:-2022-03-11 14:44:35
The general material balance equation for reactive system is Accumulation = Input + Generation – x, what is x?
1.Consumption – Output
2.Consumption + Output
3.Output – Consumption
4. none of the mentioned
Posted Date:-2022-03-11 14:46:43
The human body is an example of which of the following?
1.Closed System
2.Open System
3. Isolated System
4.None of the mentioned
Posted Date:-2022-03-11 14:34:35
The rate of flow in stream with 20% CH4 and 80% H2O is 5 mole/hr, the contained was initially filled with 3 mole of H2O, what will be the percentage of CH4 in product stream?
1.5
2.12.5
3. 25
4.37.5
Posted Date:-2022-03-11 14:23:59
The rate of flow in stream with 40% O2 and 60% CO2 is 10 mole/hr, the contained was initially filled with 6 mole of O2, what will be the percentage of O2 in product stream?
1.12.5
2.25
3. 50
4.62.5
Posted Date:-2022-03-11 14:25:52
The rate of flow in stream with 50% O2 and 50% CO2 is 10 mole/hr, the contained was initially filled with 10 mole of O2, what will be the percentage of O2 in product stream?
1.25
2. 50
3.75
4.100
Posted Date:-2022-03-11 14:26:12
The rate of flow in stream with 75% O2 and 25% CO2 is 20 mole/hr, the contained was initially filled with 5 mole of O2, what will be the percentage of O2 in product stream?
1. 20
2.40
3.60
4.80
Posted Date:-2022-03-11 14:26:34
There were 15 moles of a substance present initially in a system, 25 moles were added to it and a reaction occurred so that its moles are reduced by 50%, what are the final moles of a substance in the system?
1.10
2.15
3.20
4.40
Posted Date:-2022-03-11 14:07:59
Waste water flowing with TSS concentration 40 mg/L at the rate of 10 Liter/min is discharged into the river if the river is flowing at the rate of 15 Liter/min, what is the concentration of TSS in the river?
1. 10 mg/L
2.30 mg/L
3.45 mg/L
4.60 mg/L
Posted Date:-2022-03-11 14:22:44
Water flowing with chlorine concentration 10 mg/L at the rate of 20 Liter/min, is discharged into a river if the concentration of chlorine in a river is 5 mg/L what is the flow rate of river?
1.10 Liter/min
2. 20 Liter/min
3.30 Liter/min
4.40 Liter/min
Posted Date:-2022-03-11 14:23:03
Water flowing with TSS at the rate of 40 Liter/min, is discharged into a river flowing at the rate of 20 Liter/min, if the concentration of TSS in the river is 5 mg/L, what is the concentration of TSS in water?
1.5 mg/L
2. 10 mg/L
3.15 mg/L
4. 20 mg/L
Posted Date:-2022-03-11 14:23:23
What is the accumulation in the system after 10 second if the out flow and in flow rates are 10 g/s and 15 g/s?
1.5 g
2.10 g
3.50 g
4.100 g
Posted Date:-2022-03-11 14:35:19
Which of the following does the concept of material balance based upon?
1. Conservation of mass
2.Conservation of energy
3.Conservation of momentum
4.Conservation of Volume
Posted Date:-2022-03-11 14:03:52
Which of the following is constant in a closed system?
1. Energy
2.Mass
3. Temperature
4.Momentum
Posted Date:-2022-03-11 14:29:53