(25 points) this question includes lel, e2,e3 the following data refer for a space to be air conditioned: inside design condition: 27 cdb, 21 c wb outdoor air conditions: 8cdb, 70% rh sensible heat load: latent heat gain: the outside air is supplied at the rate of 20 m/min directly into the room ventilators and by infiltration. the outside air is mixed with return air and passed through a heating coil which of the total air recirculated from the conditioned space is 80% and mixed with the fresh air 20%. a) identify the system components and show a schematic dagram (e1] (5 pts) b) formulate the heating load calculation needed for this problem e2] (to pts) c) total heating load of the coil in kj/kg 126,000 kj/hr 50400 kj/hr e3) (10 pts)

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.

note: the given question is incomplete.

complete question is given below.

which is an example of kinetic energy?

a. the energy stored in ethanol  

b. a hockey puck sliding across the ice  

c. a compressed spring  

d. a ball sitting at the top of a ramp

solution: the kinetic energy is the energy posses by the virtue of the motion of the object.

in the given options, a, c and d are the example of potential energy because it is the energy posses by the virtue of the rest of the object. but option b has the kinetic energy as the object is in motion.

hence, a hockey puck sliding across the ice   is the apex example of kinetic energy.

so, the option (b) a hockey puck sliding across the ice   is the correct option.