Top 150+ Solved Estimation, Costing and Valuation Engineering MCQ Questions Answer
Q. Which of the following materials is not used in the construction of a septic tank?
a. concrete
b. rubber
c. fibreglass
d. plastic
Q. The first chamber in a septic tank should be at least of the total length.
a. 10 %
b. 20 %
c. 35 %
d. 50 %
Q. Which of the following reasons is correct with respect to the need of providing baffle walls?
a. mixing of scum and wastewater
b. settling of heavy particles
c. increase velocity of the liquid
d. prevent scum and solids from escaping
Q. What are the product gases of anaerobic digestion?
a. carbon-dioxide and methane
b. methane and oxygen
c. oxygen and carbon-dioxide
d. nitrogen and methane
Q. What is the mixture of methane and carbon-dioxide of anaerobic digestion called?
a. waste gases
b. poisonous gas
c. biogas
d. carbo-methane
Q. The term “septic” refers to
a. anaerobic bacterial environment that develops in the tank
b. refers to safety and precaution
c. drainage of waste materials
d. aerobic bacterial environment that develops in the tank
Q. Septic tank is usually consists of brick wall in cement not less than
a. 20 cm
b. 100 cm
c. 80 cm
d. 200 cm
Q. A is a type of toilet that collects human faeces in a hole in the ground.
a. gutter
b. septic tank
c. pit toilet
d. latrine
Q. The size of the faeces drop hole in the floor or slab should not be larger than
a. 5m
b. 25 cm
c. 45 cm
d. 250 mm
Q. As of 2013 pit latrines are used by an estimated people.
a. 1.77 billion
b. 2.77 million
c. 1.77 billion
d. 4.66 billion