What is the minimum dead load (in tons) of a steel bridge that must carry 100 tons of traffic? What will be the total load of that bridge?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

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