Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 500 250 100 5 500 250 100 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Reynold stresses Shear forces Both A & B Neither A nor B Reynold stresses Shear forces Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Fluctuation in liquid flow Cavitation Boundary layer separation Pipe vibrations Fluctuation in liquid flow Cavitation Boundary layer separation Pipe vibrations ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 90 105 120 60 90 105 120 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming (i) and (ii) Only (i) (i) and (iii) All are correct (i) and (ii) Only (i) (i) and (iii) All are correct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Peroxyacyl nitrate Benzopyrene Sulphur dioxide Carbon monoxide Peroxyacyl nitrate Benzopyrene Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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