Un sistema de satélite consta de 4 elementos y puede funcionar adecuadamente sólo si por lo menos 2 de los 4 componentes está en condiciones de funcionar. si cada componente está, independientemente, en condiciones de funcionar con una probabilidad de 0.6, ¿cuál es la probabilidad de que el sistema funcione adecuadamente?

Fluids at rest possess no flow energy. a)- true b)- false

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