Power Plant Engineering (2171910) MCQs

MCQs of Feed Water Treatment

Showing 21 to 29 out of 29 Questions
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21.

Select the incorrect statement from the following option.

(a)

The capital cost for zeolite process is high
(b)

The residual hardness in zeolite process is 0-15 ppm
(c)

The raw water used should be turbid and acidic
(d)

Automation is possible in zeolite process
Answer:

Option (c)

22.

 In zeolite process, the exchange of ___________ takes place.

(a)

anions
(b)

cations
(c)

both cations and anions
(d)

no ions exchange
Answer:

Option (b)

23.

The basis of reverse osmosis is _____________.

(a)

Osmotic pressure is greater than the hydrostatic pressure
(b)

Osmotic pressure is equal to the hydrostatic pressure
(c)

Hydrostatic pressure is greater than the osmotic pressure
(d)

Osmotic pressure does not exist
Answer:

Option (c)

24.

 Select the incorrect statement from the following option.

(a)

Osmosis is the phenomenon by virtue of which flow of solvent takes place from low concentration to high concentration through a semi-permeable membrane
(b)

The flow continues till the concentration is equal on both the sides
(c)

The driving force of osmosis is osmotic pressure
(d)

Osmosis is used for the treatment of waste water
Answer:

Option (d)

25.

A semi-permeable membrane is selective membrane which does not permit the passage of dissolved ________ particles.

(a)

solvent
(b)

solute
(c)

anhydrous
(d)

saturated
Answer:

Option (b)

26.

Which of the following is not used for semi-permeable membrane?

(a)

Polymethyl sulphate
(b)

Cellulose acetate
(c)

Polyamide polymer
(d)

Polymethyl acrylate
Answer:

Option (a)

27.

The process of reverse osmosis is also known as ___________.

(a)

hyper-filtration
(b)

double-filtration
(c)

double-osmosis
(d)

hyper-osmosis
Answer:

Option (a)

28.

Which of the following is not an application of reverse osmosis?

(a)

Desalination
(b)

Reclamation of minerals
(c)

For dialysis in hospitals
(d)

For industrial use
Answer:

Option (d)

29.

Select the incorrect statement about reverse osmosis from the following option.

(a)

It is simple and reliable process
(b)

It is relatively energy efficient
(c)

It operates at a comparatively high temperature
(d)

The life of an SPM is about 2 years and it can be easily replaced within a few minutes
Answer:

Option (c)

Showing 21 to 29 out of 29 Questions
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