Engineering, 26.11.2019 01:31 jimissac68
Briefly describe the simplest heat treatment procedure that would be used in converting a 0.76 wt% c steel from one microstructure to the other, as follows: (a)spheroidite to tempered martensite (b)tempered martensite to pearlite (c)bainite to martensite (d)martensite to pearlite (e)pearlite to tempered martensite (f) tempered martensite to pearlite (g)bainite to tempered martensite (h)tempered martensite to spheroidit
Answers: 1
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24Β°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
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Engineering, 04.07.2019 18:10
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
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Engineering, 04.07.2019 18:10
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
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Engineering, 04.07.2019 18:10
Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.
Answers: 3
Briefly describe the simplest heat treatment procedure that would be used in converting a 0.76 wt% c...
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