Design a fourbar mechanism to give the three positions shown in Figure P3-2 using the fixed pivots O2 and O4 shown. Build a cardboard model and determine the toggle positions and the minimum transmission angle.

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.

Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent

What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.