Top 350+ Solved Public Health Engineering MCQ Questions Answer
Q. Membrane filter technique is used for testing
a. E-coli
b. copper
c. pathogenic bacterias
d. none of these
Q. The commercial osmoscope is graduated with pO values from
a. 0 to 5
b. 5 to 10
c. 10 to 15
d. 15 to 20
Q. The sanitation system in which a small portion of storm water is allowed to enter in the sanitary sewage sewers and the remaining storm water flows in separate set of sewers, is known as
a. separate system
b. combined system
c. partially separate system
d. partially combined system
Q. The effective size of sand particles for slow sand filters varies from
a. 0.30 to 0.35 mm
b. 0.35 to 0.50 mm
c. 0.50 to 0.65 mm
d. 0.65 to 0.75 mm
Q. The process of purifying water by passing it through a bed of fine granular material, is called
a. screening
b. filteration
c. coagulation
d. sedimentation
Q. In one pipe system of plumbing,
a. only one pipe is provided
b. the main pipe is connected directly to the drainage system
c. all of the traps are fully ventilated and connected to the ventilation pipe
d. all of the above
Q. The water of a river has an important property called
a. turbidity
b. self purification
c. permeability
d. infiltration capacity
Q. The anti-siphonage pipe is not required in
a. one pipe system
b. two pipe system
c. single stack system
d. none of these
Q. In dry feeding type of coagulants, the dose of coagulant is controlled by
a. scrapers
b. worm wheel
c. paddles
d. none of these
Q. The open wells or dug wells are also known as
a. shallow wells
b. draw wells
c. percolation wells
d. all of these
Q. The maximum permissible quantity of lead in water for domestic supplies is
a. 0.01 ppm
b. 0.05 ppm
c. 0.50 ppm
d. 1 ppm
Q. The ideal method of disinfection of swimming pool water is by
a. chlorination
b. lime treatment
c. ozonisation
d. ultra-violet rays
Q. A pipe sunk into the ground to tap the underground water is called
a. open well
b. tube well
c. artesian well
d. infiltration well
Q. The method adopted for removing, bushes branches, debries etc. from water is known as
a. sedimentation
b. coagulation
c. screening
d. filteration