amanoverworked

but according to the definition of alternating current its direction changes , but here it is fixed.

V=10 v + 5sin(wt) v what will be the nature of the above voltage? whether it would be dc or ac ?

find the volume of the solid cut from the thick walled cylinder 1<=x^2+y^2<=2 by the conesz=+-(x^2+y^2)^(1/2). using dz dr dtheta

but point 1 is out of vapour dome, so the liquid coming out of pump should be saturated. correct me if i m wrong

in an ideal rankine cycle , fluid approaching the pump is always a saturated fluid. but what about the fluid coming from pump, is it saturated ? if not then...

In rankine cycle , after passing through pump why we cannot take the enthalpy of saturated water from steam table ?

1. true 4. true if both working at same maximum pressure and temperature, heat rejection should also be same 8. detonation occurs due to overcompression in petrol engine don't know...

find the limit of the following function using epsilon and delta approach f(x,y) = [2(x)^4 + 3(y)^4]/[(x)^2 + (y)^2] as (x,y) tends to (0,0)