Top 350+ Solved Public Health Engineering MCQ Questions Answer
Q. The bacteria which can survive without oxygen is called
a. anaerobic bacteria
b. pathogenic bacteria
c. aerobic bacteria
d. non-pathogenic bacteria
Q. For large cities, the suitable method for forecasting population is
a. arithmetical increase method
b. graphical method
c. geometrical increase method
d. comparative method
Q. When the sewage is to be distributed over a level area surrounded by dykes (i.e. trenches), the mothod of sewage used is called
a. flooding
b. surface irrigation
c. ride and furrow
d. spray irrigation
Q. In order to control the flow of water through pipes, a
a. scour valve
b. air valve
c. gate valve
d. safety valve
Q. The underground structure in the form of a circular or rectangular tank for the purposes of admitting sewage into it from the intercepting chamber is called a
a. septic tank
b. cess pool
c. privy pit
d. soak pit
Q. A sewer which gets discharge from two or more main sewers is called
a. main sewer
b. trunk sewer
c. combined sewer
d. intercepting sewer
Q. In orthotolodine test, safe residual for drinking water is indicated by
a. yellow colour
b. green colour
c. lemon yellow colour
d. none of these
Q. The secondary treatment of sewage is carried out by the use of
a. screens
b. grit chambers
c. trickling filters
d. chlorinators
Q. According to Indian standards, 45 litres of water per person per day is provided in case of
a. hotels
b. hostels
c. offices
d. all of these
Q. The plain ends of cast iron pipes are joined by
a. spigot and socket joint
b. flanged joint
c. victuallic joint
d. dresser coupling joint
Q. Pressure filters are best suited for
a. swimming pools
b. railway stations
c. individual industries
d. all of these
Q. A pressure relief valve is provided to prevent
a. the water flowing out of the suction pipe
b. the back flow, when the pump is stopped
c. the increase of pressure after certain safe limit
d. all of the above
Q. Sludge treatment is mainly done in order to
a. stablize the organic matter
b. destroy the pathogenic bacterias
c. reduce the water content
d. all of these