Engineering, 27.01.2020 22:31 danleaz01
Atest of driver’s perception/reaction time is being conducted on a special testing track with level, wet pavement and a driving speed of 55 mile/hour. when the driver is sober, a stop can be made just in time to avoid hitting an object that is first visible 425 ft ahead. after a few drinks under exactly the same condition, the driver fails to stop in time and strikesan object at a speed of 35 mi/hour. determine thedriver’s perception/reaction time before and after drinking.
Answers: 3
Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 18:10
Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
Answers: 1
Engineering, 04.07.2019 18:20
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
Engineering, 04.07.2019 19:10
How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?
Answers: 2
Atest of driver’s perception/reaction time is being conducted on a special testing track with level,...
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