Author Question: In most energy conversions, such as burning coal to produce heat, A) entropy increases because of ... (Read 32 times)

WWatsford · **on:** Jul 16, 2018

In most energy conversions, such as burning coal to produce heat,

A) entropy increases because of heat released in the conversion.
B) entropy decreases because of heat released in the conversion.
C) entropy is unchanged because heat is used to ignite the coal.
D) entropy decreases because heat is used to ignite the coal.

Question 2

A loss-of-coolant accident is very dangerous because

A) without the surrounding water as a moderator, the fission reaction would turn into a fusion reaction.
B) without the surrounding water as a moderator, the fission reaction would increase in rate.
C) the fuel core could overheat from radioactive decay and lead to a meltdown.
D) the leaking coolant would quickly spread highly radioactive material over a large region.