Amanufacturing plant needs to install a horn that sounds to signal quitting time. the horn should be activated when the following conditions are met:

a. it is after 5 pm and all machinery has been shut down,
b. it is friday, the production run for the day is completed and all machines have been shut down. develop a boolean expression describing when the horn should sound.

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

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