Which of the following is used as part of a four-wheel drive system? a. front drive axles b. transfer case c. front drive shaft d. all of the above

Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented

Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above

Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent