Engineering, 04.04.2020 13:23 paige3673
// global variables int a = 5, b = 6, c = 7, d = 8; void sub2() { int a = 0, b = 3; //local variables { int b = 5; //local variable System. out. println("a=" + a); System. out. println("b=" + b); System. out. println("c=" + c); System. out. println("d=" + d); } } void sub1() { int a = 2, b = 4, c = 1; //local variables sub2(); } void main() { int a = 1, b = 2, c = 3, d = 4; //local variables sub1(); }\
Answers: 3
Engineering, 04.07.2019 18:10
Air is to be cooled in the evaporator section of a refrigerator by passing it over a bank of 0.8-cm-outer-diameter and 0.4-m-long tubes inside which the refrigerant is evaporating at -20°c. air approaches the tube bank in the normal direction at 0°c and 1 atm with a mean velocity of 4 m/s. the tubes are arranged in-line with longitudinal and transverse pitches of sl- st 1.5 cm. there are 30 rows in the flow direction with 15 tubes in each row. determine (a) the refrigeration capacity of this system and (b) pressure drop across the tube bank. evaluate the air properties at an assumed mean temperature of -5°c and 1 atm. is this a good assumption?
Answers: 1
Engineering, 04.07.2019 18:10
Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.
Answers: 1
Engineering, 04.07.2019 18:20
Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
Answers: 3
Engineering, 04.07.2019 18:20
Wiy doeres rere okhn a pump whon working betwon the same pressure range?
Answers: 2
// global variables int a = 5, b = 6, c = 7, d = 8; void sub2() { int a = 0, b = 3; //local variable...
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