Register
A 40kg steel casting (Cp=0.5kJkg-1K-1) at a temperature of 4500C is quenched in 150kg of oil (Cp=2.5kJkg-1K-1) at 250C. If there are no heat losses, what is the change in entropy of? (i) The casing. (ii)
5,250 views
10 votes
10 votes
A 40kg steel casting (Cp=0.5kJkg-1K-1) at a temperature of 4500C is quenched in 150kg of oil (Cp=2.5kJkg-1K-1) at 250C. If there are no heat losses, what is the change in entropy of?

(i) The casing.
(ii) The oil.
(iii) Both considered.

User Samec Hadra
by
2.7k points

1 Answer

22 votes
22 votes
Of the oil I hope this help
User Fdb
by
2.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

What is ventilation system on a boat for
Consider the following chain-reaction mechanism for the high-temperatureformation of nitric oxide, i.e., the Zeldovich mechanism: O + N2------ NO + N Reaction 1 N + O2------ NO + O Reaction 2 A. Write
Christopher has designed a fluid power system that repeatedly gets clogs. Which of the following objects should he choose to add to his fluid power system to prevent these clogs in the future? filter pipe
2. The following segment of carotid artery has an inlet velocity of 50 cm/s (diameter of 15 mm). The outlet has a diameter of 11mm. The pressure at inlet is 110 mm of Hg and pressure at outlet is 95 mm
Hi! Have some points!
Link Copied!