25. The acceptance criteria for all inspections are based on
a the federal government's requirements from the Bureau of Standards
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b. internationally accepted codes and standards
c. local and state building code requirements
d. welding engineers' reports and recommendations
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Apiping systems consists of 6 m of 6-std type k and 12 m of 4-std type k, both drawn copper tubing. the system conveys ethylene glycol at a rate of 0.013 m3/s. the pressure drop across the system is to be calculated. there are two 90° elbows in the 6-in pipe, a reduction from the 6-in pipe to the 4-in pipe and four 90° elbows in the 4-in pipe. all fittings are soldered (same as flanged) and regular. the inlet and outlet of the system are at the same height.