Ahollow box made from copper has an internal volume of 25 litres at 20°c determine the temperature change that would cause the inside volume of the box to increase by 0.3%

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

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

Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?