Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 120 150 180 90 120 150 180 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reinglemann chart is used for the measurement of the Smoke density from a chimey Combustibles present in automobile exhaust Flue gas temperature Exhaust gas density Smoke density from a chimey Combustibles present in automobile exhaust Flue gas temperature Exhaust gas density ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? CO CO₂ NO₂ SO₂ CO CO₂ NO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Acceleration Deaccelaration Idle running Cruising Acceleration Deaccelaration Idle running Cruising ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. None of these Coal Silica Iron None of these Coal Silica Iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Smoke Powder Grit Dust Smoke Powder Grit Dust ANSWER DOWNLOAD EXAMIANS APP