EXAMIANS
Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called
YOUR ANSWER : ?
YOUR ANSWER : ?
Inhalation of silica dust by human being causes
YOUR ANSWER : ?
The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is
YOUR ANSWER : ?
Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas?
YOUR ANSWER : ?
Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)?
YOUR ANSWER : ?
The function of skimming tank in sewage treatment is to remove __________ substances.
YOUR ANSWER : ?
5-200 μm size particles are called
YOUR ANSWER : ?
Thermal pollution due to excessive heat & temperature in the working place causes
YOUR ANSWER : ?
Which of the following is the most detrimental for water used in high pressure boiler?
YOUR ANSWER : ?
Noise level during normal conversation among men is about __________ decibles.
YOUR ANSWER : ?