Which of the following is the unit of flow rate?

All of the mentionedView answer

34 + Mcqs in Flow Rate in Chemical Process Calculation Page 1 McqOptions

1.	What is the volumetric flow rate of 500 kg of a liquid that is collected in 10 seconds? (Density of liquid = 100 kg/m3)
A.	0.1 m3 / s
B.	0.5 m3 / s
C.	0.01 m3 / s
D.	0.05 m3 / s
Answer» C. 0.01 m3 / s

Discussion

2.	Flow rate for a process stream is the rate at which material is transported through a carrying pipe.The above given statement is
A.	Incorrect
B.	Correct
C.	Not properly defined
D.	None of the mentioned
Answer» C. Not properly defined

Discussion

3.	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?
A.	5 Second
B.	10 Second
C.	15 Second
D.	20 SecondView answer
Answer» D. 20 SecondView answer

Discussion

4.	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?
A.	3 Second
B.	10 Second
C.	30 Second
D.	100 SecondView answer
Answer» C. 30 Second

Discussion

5.	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?
A.	5 Second
B.	50 Second
C.	500 Second
D.	5000 SecondView answer
Answer» C. 500 Second

Discussion

6.	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?
A.	180
B.	450
C.	60
D.	90View answer
Answer» E.

Discussion

7.	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?
A.	30 m2
B.	45 m2
C.	75 m2
D.	90 m2View answer
Answer» B. 45 m2

Discussion

8.	The velocity of water in a pipe of area 5 m2 is 10 m/s, what will be the flow rate of water?
A.	25 m3/s
B.	50 m3/s
C.	75 m3/s
D.	100 m3/sView answer
Answer» C. 75 m3/s

Discussion

9.	A liquid is flowing through a pipe of cross section 4 m2 at a rate of 4 kg/s, at a point pipe is divided into two pipes of areas of equal areas, what will be the ratio of flow rate in both the pipes?
A.	1:3
B.	1:1
C.	1:2
D.	2:3View answer
Answer» C. 1:2

Discussion

10.	Which of the following is the unit of flow rate?
A.	Kg/s
B.	Liters/s
C.	Moles/s
D.	All of the mentionedView answer
Answer» E.

Discussion

11.	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??$
A.	180
B.	450
C.	60
D.	90
Answer» E.

Discussion

12.	WHAT_IS_THE_VOLUMETRIC_FLOW_RATE_OF_500_KG_OF_A_LIQUID_THAT_IS_COLLECTED_IN_10_SECONDS?_(DENSITY_OF_LIQUID_=_100_KG/M3)?$
A.	0.1 m3 / s
B.	0.5 m3 / s
C.	0.01 m3 / s
D.	0.05 m3 / s
Answer» C. 0.01 m3 / s

Discussion

13.	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?$
A.	3 Second
B.	10 Second
C.	30 Second
D.	100 Second
Answer» C. 30 Second

Discussion

14.	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?$
A.	5 Second
B.	50 Second
C.	500 Second
D.	5000 Second
Answer» C. 500 Second

Discussion

15.	24 grams of CH4 is passed in the process in 3 minutes, what is the molar flow rate?
A.	0.1 mole/min
B.	0.3 mole/min
C.	0.5 mole/min
D.	0.7 mole/min
Answer» D. 0.7 mole/min

Discussion

16.	16 grams of oxygen is passed in the process in 5 minutes, what is the molar flow rate?
A.	0.1 mole/min
B.	1 mole/min
C.	10 mole/min
D.	16 mole/min
Answer» B. 1 mole/min

Discussion

17.	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?
A.	5 Second
B.	10 Second
C.	15 Second
D.	20 Second
Answer» D. 20 Second

Discussion

18.	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?
A.	6.1
B.	6.2
C.	6.3
D.	6.4
Answer» C. 6.3

Discussion

19.	Flow rate can be expressed as?
A.	Kg/s
B.	Litres/s
C.	Moles/s
D.	All of the mentioned
Answer» E.

Discussion

20.	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?
A.	0.25
B.	0.5
C.	0.75
D.	1
Answer» B. 0.5

Discussion

21.	Mass flow rate of the liquid flowing through a pipe, 100 grams of the liquid was collected in 10 seconds?
A.	0.01 kg/s
B.	0.05 kg/s
C.	0.1 kg/s
D.	0.5 kg/s
Answer» B. 0.05 kg/s

Discussion

22.	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?
A.	30 m<sup>2</sup>
B.	45 m<sup>2</sup>
C.	75 m<sup>2</sup>
D.	90 m<sup>2</sup>
Answer» B. 45 m<sup>2</sup>

Discussion

23.	The velocity of water in a pipe of area 10 m2 is 5 m/s, what will be the flow rate of water?
A.	25 m3 / s
B.	50 m3 / s
C.	75 m3 / s
D.	100 m3 / s
Answer» C. 75 m3 / s

Discussion

24.	The velocity of water in a pipe of area 5 m² is 10 m/s, what will be the flow rate of water?
A.	25 m<sup>3</sup>/s
B.	50 m<sup>3</sup>/s
C.	75 m<sup>3</sup>/s
D.	100 m<sup>3</sup>/s
Answer» C. 75 m<sup>3</sup>/s

Discussion

25.	What is the mass flow rate of a material, if 20 ml of it is collected in 20 sec. The density of the material is 0.5 gm/ml.
A.	0.1
B.	0.5
C.	1.0
D.	1.5
Answer» C. 1.0

Discussion

26.	A liquid is flowing through a pipe of cross section 4 m² at a rate of 4 kg/s, at a point pipe is divided into two pipes of areas of equal areas, what will be the ratio of flow rate in both the pipes?
A.	1:3
B.	1:1
C.	1:2
D.	2:3
Answer» C. 1:2

Discussion

27.	What is the molar flow rate of sodium solution if 80 gms of solution is collected in 20 seconds.
A.	0.1
B.	0.2
C.	0.3
D.	0.4
Answer» B. 0.2

Discussion

28.	What is the volumetric flow rate if 100 kg of water is collected in 10 seconds? (Density of water = 1000 kg/m3)
A.	0.1 m<sup>3</sup>/s
B.	0.2 m<sup>3</sup>/s
C.	0.01 m<sup>3</sup>/s
D.	0.02 m<sup>3</sup>/s
Answer» D. 0.02 m<sup>3</sup>/s

Discussion

29.	Volumetric flow rate of a process stream is the ________ transported through the pipe per unit time.
A.	Mass
B.	Mole
C.	Volume
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

30.	What is the mass flow rate of a liquid flowing through a pipe of which 100 grams of water was collected in 10 seconds?
A.	0.01 kg/s
B.	0.05 kg/s
C.	0.1 kg/s
D.	0.5 kg/s
Answer» B. 0.05 kg/s

Discussion

31.	________ flow rate of a process stream is the mass transported through a pipe per unit time.
A.	Mass
B.	Mole
C.	Volume
D.	None of the mentioned
Answer» B. Mole

Discussion

32.	Which of the following is not conserved for the flow of an incompressible liquid in a pipe with variable area?
A.	Mass
B.	Volume
C.	Velocity
D.	Flow Rate
Answer» D. Flow Rate

Discussion

33.	Moles of a substance transported through a pipe per unit time is called
A.	Molar flow rate
B.	Molar volume
C.	Molar mass
D.	None of the mentioned
Answer» B. Molar volume

Discussion

34.	Flow rate for a process stream is the rate at which material is transported through a carrying pipe.
A.
B.	Incorrect
C.	Correct
Answer» C. Correct

Discussion

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