Question

Match the following

Column I		Column II
a	work done on the system	e	positive
b	heat energy given to the system	f	negative
c	change in internal energy	g	may be positive (or) negative
d	During cyclic process change in internal energy	h	zero

• A. a-(g); b-(e); c-(h); d-(f)
• B. a-(f); b-(g); c-(e); d-(h)
• C. a-(f); b-(e); c-(g); d-(h)
• D. a-(g); b-(e); c-(h); d-(g)

Answer 1

Answer: (C)

Sign convention in thermodynamic system