subject
Engineering, 12.03.2020 20:29 jjhagan22

An initially evacuated tank has a valve at the tank inlet. The valve is opened to the atmosphere until the air pressure in the tank reaches 50 kPa. The valve is then closed and the tank is allowed to come to thermal equilibrium with the surrounding atmospheric air.
During this process:

a. Heat is transferred from the tank to the atmosphere.
b. Heat is transferred from the atmosphere to the tank.
c. No heat is transferred.
d. Not enough information.

ansver
Answers: 2

Another question on Engineering

question
Engineering, 04.07.2019 08:10
Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed
Answers: 1
question
Engineering, 04.07.2019 18:10
Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
Answers: 3
question
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
question
Engineering, 04.07.2019 18:10
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?
Answers: 3
You know the right answer?
An initially evacuated tank has a valve at the tank inlet. The valve is opened to the atmosphere unt...
Questions
Questions on the website: 13722361