Environmental Engineering Mcqs

Q.  Generally the detention period for grit chambers is kept as_______________?

a. 1 minute
b. 5 minutes
c. 2-4 hours
d. 12 hours


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The hydraulic mean depth (HMD. for an egg-shaped sewer flowing two-third full is_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If Biochemical oxygen demand (BOD. of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A sewer that receives the discharge of a number of house sewers is called________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Hardy cross method of analysis of distribution system________________? 1) involves successive trials 2) takes economic aspects into account 3) is time consuming The correct answer is?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The layout of distribution system in which water flows towards the outer periphery is_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  As compared to cast iron pipes, steel pipes are______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following compounds is widely used for algae control ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  In lime-soda process________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is___________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following chemical compounds can be used for dechlorination of water ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The treatment of water with bleaching powder is known as________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The process in which the chlorination is done beyond the break point is known as_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The disinfection efficiency of chlorine increases by_______________? 1) decreasing the time of contact 2) decreasing the temperature of water 3) increasing the temperature of water The correct answer is ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Double filtration is used_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Disinfection of water results in______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Period of cleaning of slow sand filters is about________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Cleaning is done by________________? 1) scraping and removal in filters slow sand 2) back washing in slow sand filters 3) scraping and removal in filters rapid sand 4) back washing in rapid sand filters The correct answer is
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts