A. Chlorination
B. Treating in biological oxygen pond (Correct)
C. Chemical coagulation
D. None of these
MCQs and Q&As
For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is__________________?
A. 2250
B. 1125
C. 460
D. 230 (Correct)
بابر نے کب ابراہیم لودھی کو شکست دے کر مغلیہ سلطنت کی بنیاد رکھی؟
1436.❶
1526.❷ (Correct)
1610.❸
1675.❹
The inherent characteristic of an equal percentage valve relating flow rate ‘q’ with valve stem movement ‘x’ are described by the equation_________________?
A. dq/dx = K (Correct)
B. dq/dx = K.q
C. dq/dx = K/q
D. dq/dx = Kq2
Which of the following dust collection equipments is the least efficient (for sub-micronic particles) ?
A. Dust catcher (gravity type) (Correct)
B. Cyclone separator
C. Bag filter
D. Hollow wet scrubber
On which of the following factors does the sensitivity of a closed loop system to gain changes and load disturbances depend ?
A. Frequency
B. Loop gain
C. Forward gain
D. All of the above (Correct)
An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called ____________ furnace?
A. Resistance
B. Arc (Correct)
C. Low frequency induction
D. None of these
Which language is used to create an ASP.NET code file ?
A. Visual Basic
B. C#
C. C++
D. All of the above (Correct)
< asp : listitem > tag replaces which of the following HTML tags
< asp : listitem > tag replaces which of the following HTML tags
A. < UL >
B. < List >
C. < Option > (Correct)
D. None of the above
The order of a chemical reaction is__________________?
A. An experimentally determined quantity (Correct)
B. Always equal to the total stoichiometric number of reactants
C. Never fractional
D. None of these