List of top Questions asked in GATE AE

A solid propellant rocket producing 25 MN thrust is fired for 150 seconds. The specific impulse of the rocket is 2980 Ns/kg. How much propellant is burned during the rocket operation?
Consider the velocity field \[ \vec{V} = (2x + 3y)\hat{i} + (3x + 2y)\hat{j}. \] The field \( \vec{V} \) is: