You are traveling in an airplane. the engineer who designed it is, casually, on your side. he tells you that the wings were designed using the von mises criterion. would you feel safer if he had told you that the tresca criterion had been used?

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.

An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid