Engineering, 25.10.2019 22:43 atkinsonsinbraz
Class interval { public: // // an interval is a period of time beginning with a starting time // and running up to, but not including, its stop time. // interval (); interval (datetime start, datetime stop); interval (datetime start, duration length); datetime getstart() const; void setstart (datetime); datetime getstop() const; void setstop (datetime); duration getduration(); bool contains (datetime d); bool overlaps (interval intrvl); bool operator== (const interval& other) const; private: datetime thestart, thestop; }; using the junit style, write a self-checking test for the setstop function.
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Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Engineering, 04.07.2019 18:10
Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
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Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Class interval { public: // // an interval is a period of time beginning with a starting time // an...
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