Answer:

Explanation:
Cold water in: 
Hot water in: 

Step 1: Determine the rate of heat transfer in the heat exchanger




Step 2: Determine outlet temperature of hot water



Step 3: Determine the Logarithmic Mean Temperature Difference (LMTD)










Step 4: Determine required surface area of heat exchanger



Step 5: Determine length of heat exchanger



Answer:
The main difference between the bs2 and bs3 engine is to present in the catalytic converter. And in bs2 engines the catalytic converter is does not used for the formation of hc and co. In bs3 engine there is no harmful emissions in the hc and co
Video game designer for sure
Answer:
I think true
Explanation:
Well I mean...we cant see the future. Certain things will be achieveable in different ganerations like going on mars