The displacement volume of an internal combustion engine is 3 liters. the processes within each cylinder of the engine are modeled as an air-standard diesel cycle with a cutoff ratio of 2.5. the state of the air at the beginning of compression is fixed by pı = 95 kpa, t1 = 22°c, and vi = 3.17 liters.

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

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

The higher the astm grain size number, the finer the gran is. a)-true b)-false