Toggle navigation
Home
KPSC Previous Question Papers
Article Category
kerala psc
upsc
General
Popular Pages
Multiple Choice Question in aptitude-area
Multiple Choice Question in non-verbal-reasoning-grouping-of-images
Multiple Choice Question in aptitude-compound-interest
Multiple Choice Question in engineering-mechanics-kinetics-of-a-particle-impulse-and-momentum
Multiple Choice Question in database-database-redesign
Multiple Choice Question in 035/2016
Question Answer in malayalam-kerala-psc-questions
Multiple Choice Question in malayalam-kerala-psc-questions
Multiple Choice Question in current-affairs-2017-03-05
Question Answer in KERALA PSC
Multiple Choice Question in KERALA PSC
Multiple Choice Question in electronic-devices-bipolar-junction-transistors
Question Answer Bank
Multiple Choice Question Bank
Question Answer Category
Multiple Choice Question Category
Home
->
Multiple Choice Questions
Question Set
chemical engineering environmental engineering
1. Oil and grease present in an emulsified state in waste water discharged from industries can be removed by
(A): biological oxidation.
(B): chlorination.
(C): settling out using chemical reagents.
(D): skimming off.
Previous Question
Show Answer
Next Question
Add Tags
Report Error
Show Marks
Ask Your Doubts Here
Type in
(Press Ctrl+g to toggle between English and the chosen language)
Post reply
Comments
Show Similar Question And Answers
QA->P can do a work in the same time in which Q and R together can do it. If P and Q work together, the work can be completed in 10 days. R alone needs 50 days to complete the same work. then Q alone can do it in....
QA->A and B can do a work in 10 days, B and C can do it in 12 days, C and A can do it in 15 days. If A, B, and C work together, they will complete the work in:....
QA->A and B can do a work in 10 days. B and C can do it in 12 days. C and A can do it in 15 days. If A, B, and C work together, then the work will complete....
QA->P,Q and R together earn Rs.1620 in 9 days. P and R can earn Rs.600 in 5 days. Q and R in 7 days can earn Rs. How much amount does R can earn per day?....
QA->P can do a work in 24 days. Q can do the same work in 9 days and R can do the same in 12 days. Q and R start the work and leave after 3 days. P finishes the remaining work in --- days.....
MCQ->Oil and grease present in an emulsified state in waste water discharged from industries can be removed by....
MCQ->The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by....
MCQ->Statement: Drinking water supply to New Bombay has been suspended till further orders from Maharashtra Pollution Control Board following pollution of Patalganga river, caused by discharge of effluents from some chemical industries. Courses of Action: The industries responsible for discharging effluents into the river should be asked to close down immediately. The river water should immediately be treated chemically before resuming supply. The Pollution Control Board should check the nature of effluents being discharged into the river by industries at regular intervals. ....
MCQ->Various methods used by plants to get rid of their waste products are: I. Gaseous waste through stomata and lenticels. II. Stored solid and liquid waste by shedding leaves, peeling of bark and falling of fruits. III. By secreting waste in the form of gum and resins. Which of the following statements is/are correct?....
MCQ->By 2050, the Earth's population will likely have swelled from seven to nine billion people. To fill all those stomachs - while accounting for shifting consumption patterns, climate change, and a finite amount of arable land and potable water - some experts say food production will have to double. How can we make the numbers add up? Experts say higher yielding crop varieties and more efficient farming methods will be crucial. So will waste reduction. Experts urge cities to reclaim nutrients and water from waste streams and preserve farmland. Poor countries, they say, can improve crop storage and packaging and rich nations could cut back on resource-intensive foods like meat. Which one of the following statements best sums up the above passage?....
×
×
Type The Issue
×
Your Marks
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...
Privacy
|
Terms And Conditions
Question ANSWER With Solution