Two triangulation stations A and B are 100km apart having elevations of 178m and 490m respectively. If the visible horizon is tangent to the line of sight at two third from station B, then check whether the two stations are visible or not. If not compute the minimum height of signal required at station B.

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

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

How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?