GATE Exam Questions - Section 1

The 5-day BOD of a wastewater sample is obtained as 190 mg/l (with k = 0.01 h-1). The ultimate oxygen demand (mg/l) of the sample will be

The microbial quality of treated piped water supplies is monitored by

Un-factored maximum bending moments at a section of a reinforced concrete beam resulting from a frame analysis are 50, 80, 120 and 180 kNm under dead, live, wind and earthquake loads respectively. The design moment (kNm) as per IS: 456-2000 for the limit state of collapse (flexure) is

The characteristic strength of concrete is defined as that compressive strength below which not more than

The percentage error in the computed discharge over a triangular notch corresponding to an error of 1% in the measurement of the head over the notch, would be

The reaction time for calculation of stopping distance may be assumed as

The drop manholes are provided in a sewerage system when there is