An airport has 4 gates. If the weighted average gate occupancy time is 30 minutes and gate utilisation factor is 0.5, then the capacity of the gate will be________?

A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping?

The most suitable chemical which can be applied to the water surface for reducing evaporation is________?

The digested sludge from septic tanks, is removed after a maximum period of________?

The sewer pipe which carries sewage from a building for immediate disposal is________?

As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is________?