What effect will a lato-closing intake valve have on knock in an si engine? (recall that knock decrcascs with speed incrcase.)

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.

Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines