Determine the principal planes and the principal stresses for the state of plane stress resulting from the superposition of the two states of stress shown. given: x 50 mpa and y 30 mpa. ay 80 mpa 30° + the orientation of the principal plane in the first quadrant is 120 the orientation of the principal plane in the second quadrant is 210 mpa, and the minimum principal the maximum principal stress is mра. stress is

Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines

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

Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false