An ideal otto cycle has a compression ratio of 9 and uses air as the working fluid. at the beginning of the compression process, air is at 100 kpa and 27 °c. the pressure is doubled during the heat-addition process. ting forte nia (a) the amount of heat transferred to the air; (b)the net work output (c) the thermal efficiency; (d) the mean effective pressure for the cycle.

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

Acertain flow of air (at stp) has a velocity distribution given by v i (in ft/s). if this flow is going through a 4 ft square area in the yz-plane (centered at the origin), what is the mass flow rate (in lbm/s)?

Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.