The stage in which the biological processes are used to purify water in a wastewater treatment plants is called?
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Groundwater mining in coastal areas can result into _________
Which of the following is not an important characteristic of the Green Revolution?
The three primary soil macronutrients are _________
Which of the following are negative effects on the soil and water due to conventional, mechanized farming practices?
A disc spinning on its axis at 20 rad/s will undergo precession when a torque 100 N-m is applied about an axis normal to it at an angular speed, if mass moment of inertia of the disc is the 1 kg-mē
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of the gyroscopic couple on the aeroplane will be
The air screw of an aeroplane is rotating clockwise when looking from the front. If it makes a left turn, the gyroscopic effect will
The rotor of a ship rotates in clockwise direction when viewed from the stern and the ship takes a left turn. The effect of the gyroscopic couple acting on it will be
When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be
In an automobile, if the vehicle makes a left turn, the gyroscopic torque
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