Mass Transfer Mock Test 3

10%

Question 1 of 10

1. Which one is having a maximum melting point?

Magnesium

Lead

Platinum pure

Palladium

Question 1 of 10

Question 2 of 10

2. Name of the line PR and QT

If X, Y – are represented in mole ratio

Parallel line

Normal line

Driving force line

Interface line

Question 2 of 10

Question 3 of 10

3. Find the Murphree stage efficiency for the following co-current operation with equilibrium leaving gas phase concentration Y*= 0.8.

Where,
G and L are gas and liquid flow rates
Y and X are concentration in mole ratio (Y1=0.2, Y2=0.4, X1= 0.6, X2=0.8)

50%

100%

25%

75%

Question 3 of 10

Question 4 of 10

4. The higher difference in pressure inside the tray tower cause

Weeping

Dumping

Flooding

Question 4 of 10

Question 5 of 10

5. What is the melting point of nichrome?

1772 K

1872 K

1572 K

1672 K

Question 5 of 10

Question 6 of 10

6. ______________ is defined as the number of equilibrium stages to the number of real stages.

Fractional overall efficiency

Stage efficiency

Overall efficiency

Murphree stage efficiency

Question 6 of 10

Question 7 of 10

7. According to Lewis and Whitman theory, the departure from concentration equilibrium at the Interphase is due to

Moderate mass transfer rate

High mass transfer rates

None of the mentioned

Low mass transfer rates

Question 7 of 10

Question 8 of 10

8. What is the melting point of palladium?

1627 K

1527 K

1827 K

1727 K

Question 8 of 10

Question 9 of 10

9. Find the number of stage(s)

Where,
Y- Mole Ratio of gas phase
X- Mole Ratio of liquid phase

1 to 2

No stage

Question 9 of 10

Question 10 of 10

10. What is the melting point of tin?

505 K

605 K

805 K

705 K

Question 10 of 10