Irrigation Engineering If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is R (θ + tan θ) 2R (θ + cos θ) 2R (θ + tan θ) R (θ + cos θ) R (θ + tan θ) 2R (θ + cos θ) 2R (θ + tan θ) R (θ + cos θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Methyl alcohol Ethyl alcohol Cetyl alcohol Butyl alcohol Methyl alcohol Ethyl alcohol Cetyl alcohol Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Side slopes generally kept for canals in loam soil, are: Both (A) and (B) 1½ : 1 in cutting and 2 : 1 in filling Neither (A) nor (B) 1 : 1 in cutting and 1½ : 1 in filling Both (A) and (B) 1½ : 1 in cutting and 2 : 1 in filling Neither (A) nor (B) 1 : 1 in cutting and 1½ : 1 in filling ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The ratio of the head recovered to the head put in, is known as Sensitivity Flexibility Efficiency Modular limit Sensitivity Flexibility Efficiency Modular limit ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For the design of major hydraulic structures on the canals, the method generally preferred to, is based on The relaxation method Khosla's method of independent variables Electrical analogy method Bligh's theory The relaxation method Khosla's method of independent variables Electrical analogy method Bligh's theory ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The Lacey's regime velocity is proportional to R2/3 S1/2 Q3/4 S1/3 R1/2 S3/4 R3/4 S1/3 R2/3 S1/2 Q3/4 S1/3 R1/2 S3/4 R3/4 S1/3 ANSWER DOWNLOAD EXAMIANS APP