This is a first year Engineering mathematics Unit 5.pdf

This is a first year Engineering mathematics

1. Adiabatic Compression of Carbon Monoxide Gas

Ratio a 1
Inti ) x 10° Pa

The process is adiabatic and the container is insulat no heat exchange).

For an adiabatic process, the relationship between pressure and volur

find the fin

2. We need to find the ratio of final volume to initial volume: Ÿ

an adiabatic proce à pressure and v

PV

4. 5.10 Carnot Heat Pump

5. 5.11 Entropy Increase from Heat Lo:

Heat leaked Q = 24500J
Inside tem

6. w= nara!

5.13 Diesel Engine Compression

Compression ratio ¥

ritial pressure P; = 1.0 x 10°Pa
300K

Final temperature Ty = 886 K

y= 1.40

nitial volume Vj = 1.0 x 10-%m

(a) Final pressure P;?

7. (a) Final pre

(b) Work done dı

6.667 x 10

8. 5.14 Carnot Engines in Series

Input heat Qna
ork output Wa
is heat

ot engine B:
es the rejected h

utput Wa

For engine A:

9. For engine

¡put heat Que = Qea = 38003
output W 503

ficiency,

00 kg

Heat inp ngine Qn =

nt spe

2700 x