Engineering, 18.12.2019 22:31, nghtcll

One kg of liquid water at 25oc:

a). absorbs heat of 1000 calories. what is δut , in kj?
b). experiences a change in elevation δz. the change in potential energy δep is the same as δut for part a). what is δz, in meter?
c). is accelerated from rest to final velocity u. the change in kinetic energy δek is the same as δut for part a). what is u, in m/s?

Answers: 1

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 18:10, tjeffers90028

Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.

Answers: 1

continue

Engineering, 04.07.2019 18:20, cxttiemsp021

Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.

Answers: 3

continue

Engineering, 04.07.2019 19:10, kayleeemerson77

Analyze the factors that influence the choice between the following pairs of processes to make the products indicated: i) sand casting versus die casting of an electric-motor housing ii) thread rolling versus machining of a bolt for high-strength application. (co3/c5)

Answers: 3

continue

Engineering, 04.07.2019 19:20, justicehernandez

Acarnot refrigerator operates in a room in which the temperature is 21°c and of power when operating. if the food compartment of the refrigerator is consumes 3 kw to be maintained at 2°c, determine (a) the coefficient of performance of the cycle and (b) the rate of heat removal from the food compartment. refrigerator cycle that has a higher coefficient of performance than that of the discussed (e) is it possible to develop a carn ot refrigerator, operating between the same temperature limits? explain

Answers: 2

continue

Do you know the correct answer?

One kg of liquid water at 25oc:

a). absorbs heat of 1000 calories. what is δut , in kj...