Explore topic-wise MCQs in Separation Processes.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the washing factor if solvent feed rate is 2300kh/hr , underflow ratio is 0.3 and insoluble solids feed rate is 2000?

A. 1.97
B. 2.33
C. 3.07
D. 3.83
Answer» D. 3.83
Discussion
2.

What is the washing factor if solvent feed rate is 2800kh/hr , underflow ratio is 0.7 and insoluble solids feed rate is 2000?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
3.

What is the washing factor if solvent feed rate is 2500kh/hr , underflow ratio is 0.5 and insoluble solids feed rate is 2000?

A. 0.5
B. 1
C. 1.5
D. 2.5
Answer» E.
Discussion
4.

What is the washing factor if solvent feed rate is 2500kh/hr , underflow ratio is 0.3 and insoluble solids feed rate is 500?

A. 13.33
B. 166.66
C. 16.66
D. 133.33
Answer» D. 133.33
Discussion
5.

The minimum amount of solvent required is underflow ratio is 0.3 and insoluble solids feed rate is 200Kg/hr is:

A. 50kg/hr
B. 600kg/hr
C. 666.66kg/hr
D. 60kg/hr
Answer» E.
Discussion
6.

THE_MINIMUM_AMOUNT_OF_SOLVENT_REQUIRED_IS_UNDERFLOW_RATIO_IS_0.3_AND_INSOLUBLE_SOLIDS_FEED_RATE_IS_200KG/HR_IS:?$

A. 50kg/hr
B. 600kg/hr
C. 666.66kg/hr
D. 60kg/hr
Answer» E.
Discussion
7.

What is the washing factor if solvent feed rate is 1000kh/hr , underflow ratio is 0.1 and insoluble solids feed rate is 10000?

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
8.

What is the washing factor if solvent feed rate is 3000kh/hr , underflow ratio is 0.2 and insoluble solids feed rate is 10000?

A. 1
B. 2.5
C. 1.5
D. 4
Answer» D. 4
Discussion
9.

What_is_the_washing_factor_if_solvent_feed_rate_is_2800kh/hr_,_underflow_ratio_is_0.7_and_insoluble_solids_feed_rate_is_2000?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
10.

What is the washing factor if solvent feed rate is 3000kh/hr , underflow ratio is 0.5 and insoluble solids feed rate is 2000?

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
Discussion
11.

The minimum amount of solvent required is underflow ratio is 0.5 and insoluble solids feed rate is 2000Kg/hr is:

A. 2000kg/hr
B. 1000kg/hr
C. 4000kg/hr
D. 500kg/hr
Answer» C. 4000kg/hr
Discussion
12.

Which of the following is true about cascades for a particular S?

A. Maximizes Y <sub>1</sub>
B. Maximizes X <sub>N</sub>
C. Minimizes Y <sub>1</sub>
D. Does not affect X <sub>N</sub>
Answer» B. Maximizes X <sub>N</sub>
Discussion
13.

What will be the concentration of solute in overflow doe N=2?

A. (F <sub>B</sub> /S)(1/W +1)
B. (F <sub>B</sub> /S)(1+W+W <sup>2</sup> /W <sup>2</sup> )
C. (F <sub>B</sub> /S)(1+W+W <sup>2</sup> /W)
D. (F <sub>B</sub> /S)(1+W/W <sup>2</sup> )
Answer» B. (F <sub>B</sub> /S)(1+W+W <sup>2</sup> /W <sup>2</sup> )
Discussion
14.

The concentration of solute is given by:

A. (F <sub>B</sub> /S)(1/W Nsub>n-1 )
B. (F <sub>B</sub> S)(1/W sub>n-1 )
C. (F <sub>B</sub> /S)(1/W sub>n-1 )
D. (F <sub>B</sub> S)(W sub>n-1 )
Answer» D. (F <sub>B</sub> S)(W sub>n-1 )
Discussion
15.

What is the formula for washing factor?

A. W= SRF <sub>A</sub>
B. W= RF <sub>A</sub> /S
C. W=SF <sub>A</sub>/R
D. W=S/RF <sub>A</sub>
Answer» E.
Discussion
16.

Which equation holds true at equilibrium?

A. Y <sub>N+1</sub> = Y <sub>N</sub>
B. X <sub>N</sub> = Y <sub>N</sub>
C. F <sub>B</sub> = F <sub>A</sub>
D. R <sub>1</sub> =R <sub>2</sub>
Answer» C. F <sub>B</sub> = F <sub>A</sub>
Discussion
17.

A material balance for any soluble material B around any interior stage from n=2 to N-1 is:

A. Y <sub>n+1</sub> S + X <sub>n-1</sub> RF <sub>A</sub> =Y <sub>n</sub> S + X <sub>n</sub> RF <sub>A</sub>
B. Y <sub>n+1</sub> S + X <sub>n-2</sub> RF <sub>A</sub> =Y <sub>n</sub> S + X n RF <sub>A</sub>
C. Y <sub>n+1</sub> S + X <sub>n+1</sub> RF <sub>A</sub> =Y <sub>n</sub> S + X n RF <sub>A</sub>
D. Y <sub>n+1</sub> + X <sub>n-2</sub> RF <sub>A</sub> =Y <sub>n</sub> S + X n RF <sub>A</sub>
Answer» B. Y <sub>n+1</sub> S + X <sub>n-2</sub> RF <sub>A</sub> =Y <sub>n</sub> S + X n RF <sub>A</sub>
Discussion