The most efficient engine possible is the A) Joule cycle. B) ...

[anjilletteb]

The most efficient engine possible is the
 
  A) Joule cycle.
  B) Wright cycle.
  C) Kelvin cycle.
  D) Carnot cycle.
  E) Otto cycle.

Question 2

7.0 kg is hung from a steel wire of diameter 0.75 mm and length 2.5 meters. (S = 8.2  1010 N/m2; Y = 20  1010 N/m2)
 
  (a) By how much does the wire stretch?
  (b) If the wire diameter were doubled, what would be the stretch?

[pikon]

Answer to Question 1

D

Answer to Question 2

(a) 1.9 mm
(b) 0.49 mm

[anjilletteb]

Thanks for the timely response, appreciate it

[bulacsom]

Gracias!