Engineering Answers

Explain the two methods with neat diagram how to predict or measure the gas-phase diffusion coefficient?

Define the overall heat transfer coefficient? Derive the relation among overall heat transfer coefficient and individual heat transfer coefficients?

Solve y" + 3y' +2y =1, y(0)=0,y'(0) = 1

Find the inverse Laplace transform of In s+3/s^2+9?

b) Find the complete integral of the PDE px + qy +z = xq^2?

State Green s theorem and verify for *(x^{2}+y^{2})dx+(3y+2x)dy ,whereC is triangle with vertices at (0,0),(1,0),(1,1)

Evaluate the line integral of ∀ =xyl+ y^{2}zj+e^{2z}k over the curve C whoseparametric representation is given by x=t^{2},y=2t,z=t,0<t<1

Show that curl(curl→{v})=grad(div→{v})-V^{2}→{v},→{v} is any vector and if isolenoidal, then find curl (curl ∀)

Find the angle between the surfaces x^{2}+y^{2}+z^{2}=9 and z+3=x^{2}+y^{2} at the point (-2,1,2)

Show that the vector →{v}=(yz-1)i-z(1+x+z)j+y(1+x+2z)k isconservative and find it scalar potential function?