AFNS — AFNS Physics
Heat and Thermodynamics
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#17 Insulator example:
A) Glass
B) Silver
C) Aluminum
D) Iron
Answer: A
#18 First law thermodynamics:
A) Energy conservation
B) Entropy always decreases
C) Heat flows cold to hot always
D) No work
Answer: A
#19 Second law entropy:
A) Tends to increase isolated
B) Always decreases
C) Zero always
D) No meaning
Answer: A
#20 Carnot engine is:
A) Ideal reversible
B) Real only
C) Electric only
D) Nuclear only
Answer: A
#21 Efficiency of Carnot depends on:
A) Temperature of reservoirs
B) Working substance colour
C) Volume only
D) Mass only
Answer: A
#22 Absolute zero is:
A) 0 K
B) 0 C
C) -273 C wrong phrasing
D) 273 K room
Answer: A
#23 Triple point of water:
A) 0.01 C / 273.16 K
B) 100 C
C) 0 C only
D) 37 C
Answer: A
#24 Gas expands doing work adiabatically:
A) Cools if ideal
B) Heats always
C) No change
D) Stops
Answer: A
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