The customernumber variable will be used to hold a unique integer for each customer. the mailinglist variable should be a bool. it will be set to true if the customer wishes to be on a mailing list, or false if the customer does not wish to be on a mail-ing list. write appropriate accessor and mutator functions for these member variables. demonstrate an object of the customerdata class in a simple program.

Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.

The proportional limit is always greater than the yield strength for a material. a)-trune b)- false

Starting wih an energy balance on a rectangular volume element, derive the one- dimensional transient heat conduction equation for a plane wall with constant thermal conductivity and no heat generation.