Fundamentals of Engineering Practice Exam 1 (All Correct Answers)

Which of the following are not an intensive property 1.) Pressure, 2.) Velocity, 3.) Volume, 4.) Density, 5.) Kinetic Energy A.) 1, 2 & 3 B.) 4 & 5 C.) 1, 2, & 4 D.) 3 & 5 Correct Answers Choice D Using the Gibbs Phase Rule, how many intensive properties are required to fix a mixture of water and ammonia that is in a liquid state? A.) 1 B.) 2 C.) 3 4.) 4 Correct Answers Choice C How much heat is dissipated when a current of 15 amps passes through a 4 ohm resistor? A.) 3,075 btuh B.) 900 btuh C.) 2,700 btuh D.) 9,300 btuh Correct Answers Choice A What is the gauge pressure of at that is 15 meters below the surface of water that has an atmospheric pressure of 14.7 PSIA? A.) 147,150 pa B.) 150,000 pa C.) 147,250 pa D.) 147,000 pa Correct Answers Choice A A spaceship leaves the space station with an acceleration of 15ft/s^2. After 3 minutes the engines turn off and the acceleration is 0 ft/s^2. What is the average velocity of the spaceship? A.) 81,100 ft/s B.) 1,350 ft/s C.) 243,000 ft/s D.) 2,700 ft/s Correct Answers Choice B