Production & Industrial Engineering (PI) - Previous Year Papers Previous Year Questions

If a complex variable z = √3/2 + i/2, then z2 is

The value of the integral from π/2 to π of x cos(x) dx is

The homogeneous part of the differential equation d2y/dx2 + dy/dx + qy = r (p, q and r are constants) has real distinct roots if

During the filling process of a given sand mould cavity by molten metal through a horizontal runner of circular cross-section, the frictional head loss of the molten metal in the runner will increase with the

If matrix A = and matrix B = , the transpose of product of these two matrices, i.e. (AB)T is equal to

lim (x→0) [(1−cos x)/x2] is