The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is________?

The motion of air mass in a tornado is a________?

The most reliable estimate is________?

In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as________?

Which of the following meters is not associated with viscosity________?

The type of bond provided in brick masonry for carrying heavy loads is________?