What should you do in a traffic break? a. pull over to the shoulder of the road and rest b. yield to the police officer who is slowing down traffic on the freeway by driving back and forth across all the lanes with his lights flashing c. yield to the police officer if he pulls you over for driving too slow d. yield to the police officer if he pulls you over to write you a ticket

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

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

An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature