1. draw a flowchart and write a subroutine to do the following: the inputs to the subroutine are a pointer in register y and an 8-bit number in register b. starting at the address in register y, clear (set to 0) the number of bytes in memory corresponding to register b. for example, if y is $2000 and b is 8, clear 8 bytes of memory starting at $2000. the subroutine should preserve all registers, and it does not have any return values.

Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.

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Water vapor initially at 10 bar and 400 °c is contained within a piston-cylinder assembly. the water lost heat to the surrounding according to isochoric (iso-volumetric) process until its temperature is 150 °c. the water is then condensed isothermally to saturated liquid. for the water as a system, calculate the work in kj/kg