Engineering, 05.01.2021 01:00 mackaylabarnes22
Which definition best describes a regulator?
Oamechanical deice that presses gas into a smal container
O an incompressibie iquid ike oil or water
O a device that helips control the fow of a fuid
O adevice that coilects liquid in a hydraulic system and keeps it under pres
Answers: 1
Engineering, 03.07.2019 14:10
Amass of m 1.5 kg of steam is contained in a closed rigid container. initially the pressure and temperature of the steam are: p 1.5 mpa and t 240°c (superheated state), respectively. then the temperature drops to t2= 100°c as the result of heat transfer to the surroundings. determine: a) quality of the steam at the end of the process, b) heat transfer with the surroundings. for: p1.5 mpa and t 240°c: enthalpy of superheated vapour is 2900 kj/kg, specific volume of superheated vapour is 0. 1483 m/kg, while for t 100°c: enthalpy of saturated liquid water is 419kj/kg, specific volume of saturated liquid water is 0.001043m/kg, enthalpy of saturated vapour is 2676 kj/kg, specific volume of saturated vapour is 1.672 m/kg and pressure is 0.1 mpa.
Answers: 3
Engineering, 04.07.2019 18:10
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
Answers: 1
Engineering, 04.07.2019 18:20
Find the kinematic pressure of 160kpa. for air, r-287 j/ kg k. and hair al viscosity of air at a temperature of 50°c and an absolute (10 points) (b) find the dynamic viscosity of air at 110 °c. sutherland constant for air is 111k
Answers: 3
Engineering, 04.07.2019 19:10
What is the main objective of using reheat rankine cycle?
Answers: 3
Which definition best describes a regulator?
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