Environmental Engineering The self cleansing velocity for all sewers in India is usually 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Standard cobalt scale Platinum cobalt scale Standard platinum scale Standard silica scale Standard cobalt scale Platinum cobalt scale Standard platinum scale Standard silica scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Steeper than 1 in 20 Zero Given in the direction opposite to natural slope of ground Given in the direction of natural slope of ground Steeper than 1 in 20 Zero Given in the direction opposite to natural slope of ground Given in the direction of natural slope of ground ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use Is contaminated Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use Is contaminated ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Reinforced cement concrete Steel Copper Cast iron Reinforced cement concrete Steel Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as De-chlorination Super chlorination Hypo-chlorination Pre-chlorination De-chlorination Super chlorination Hypo-chlorination Pre-chlorination ANSWER DOWNLOAD EXAMIANS APP