Cooling tower MCQ

Q.1 Open cooling system is also called as _____ system .  
A. Once through 

B. Air based

C. Reversible 

D. Non-reversible 

Ans-: A

Q.2 What are used in the direct flow system to transverse the pond before uniting at intake?

a) Separators
b) Filters
c) Baffle walls
d) Porous pipes

Ans-: C

Q.3 The type of cooling towers with maximum heat transfer from air to water is ___.

A. Natural draft

B. Mechanical draft

C. A + B

D. None of the above 

Ans -:  B

Q.4 Natural draft cooling towers mostly used in the ______ .

A. Power station

B. Steel industry 

C. Aluminium industries 

D. All of the above 

Ans -: A

Q.5 Normally the guaranteed best approach a cooling tower achived is _____ .

A. 10 ° C

B. 15 ° C

C. 2.8 ° C

D. 8.2 ° C

Ans -: C

Q.6  A cooling tower reduces the water temperature close to _____.

A. Dry bulb temperature 

B. Wet bulb temperature 

C. Atmospheric temperature 

D. Dew point temperature 

Ans -: D

Q.7 The principle of work of the mostly cooling towers is ___.

A. Evaporative cooling 

B. Condensation 

C. Compression 

D. None of the above 

Ans -: A

Q.8  Approximately about _____ of cooling in cooling tower is through the sensible cooling. 

A. 50 %

B. 30 %

C. 20 %

D. 25 %

Ans -: C

Q.9  In cooling towers, higher temperature ______ corrosion potential. 

A. Decrease 

B. Increase 

C. Not affect 

D. Increase at 100 ° C

Q.10 The size of the cooling tower varies ______ with the temperature range .

A. Directly 

B. Inversely 

C. Proportionaly 

D. None of the above 

Ans -: B