Ascientist claims that a smaller proportion of members of the national academy of sciences are women when compared to the proportion of women nationwide. let p1 represent the proportion of women in the national academy of sciences and p2 represent the proportion of women nationwide. which is the correct alternative hypotheses that corresponds to this claim? ha: p1 - p2 < 0 ha: p1 - p2 > 0 ha: p1 - p2 ≠ 0

Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.

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

Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation