Answers: 1
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:10
During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
Answers: 2
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
Answers: 3
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Name the non-bearing parts of a structure...
Biology, 25.08.2019 18:50
Social Studies, 25.08.2019 18:50
Advanced Placement (AP), 25.08.2019 18:50
Health, 25.08.2019 18:50
Chemistry, 25.08.2019 18:50
Business, 25.08.2019 18:50
History, 25.08.2019 18:50
Mathematics, 25.08.2019 18:50
Physics, 25.08.2019 18:50
History, 25.08.2019 18:50
Mathematics, 25.08.2019 18:50
Biology, 25.08.2019 18:50
History, 25.08.2019 18:50