The 20 - lb block a and the 40 - lb block b are at rest on an incline as shown. knowing that the coefficient of static friction is 0.25 between all surfaces of contact, determine the value of theta for which motion is impending.

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

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

Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.