As máquinas primárias são aquelas que conseguem transformar calor em trabalho. Existem ciclos que descrevem esses funcionamentos, entre eles existem o Otto, Diesel e Carnot, sobre esses ciclos, descreva cada um deles e compare em termos de temperatura de trabalho, volme e pressão em seus funcionamentos.

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.

Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer