Which of the following describes when the trial and error approach to problem solving is most successful? when the problem has a single possible option

when the problem has a limited number of options

when the problem has an alternate solution method

when the problem has numerous possible options

On a average work day more than work place firs are reorted

Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.

Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.