Civil Engineering - GATE Exam Questions

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

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 microbial quality of treated piped water supplies is monitored by

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

A tube well having a capacity of 4 m³/hour operates for 20 hours each day during the irrigation season. How much area can be commanded if the irrigation interval is 20 days and depth of irrigation is 7 cm ?