Made Easy Heat and Mass Transfer Workbook key

Answer Key By M.K. Gaur Sir of Made Easy

1.Conduction

1-c
2-c
3-d
4-b
5-d
6-c
7-a
8-d
9-c
10-a
11-c

12-d

13-c

14-d

15-d

16-c

17-c

18-b

19-d

20-d

21-c

22-c

23-b

24-c

25-a
26-a
27-b
28-a
29-c
30-b
31-a
32-a
33-d
34-b
35-b
36-d
37-
38-d
39-b
40-c
41-c
42-a
43-a
44-a
45-b
46-625 degrees C
47-0.1 W/mK
48-400K
49-0.345m
50-5cm
51-67.5 degrees C
52-43.5sec
53-42.22sec
54-(i)239 degrees C (ii)281.14W (iii)38.18%
55-b
56-c
57-1.411mm
58-d



2. Heat Exchangers

1-a
2-a
3-b
4-d
5-c
6-b
7-b
8-b
9-c
10-c
11-c

12-d

13-0.666

14-11.02 degrees C

15-10 degrees C

16-21.64 degrees C

17-54.93 degrees C

18-19tubes, 4paas

19-b

20-0.9278

21-43.24 degrees C

3. Radiation

1-b
2-d
3-b
4-c
5-b
6-d
7-c
8-a
9-d
10-b
11-b

12-c

13-c

14-d

15-a

16-Correct, answer 0.8

17-c

18-b

19-a

20-b

21-b

22-b

23-d

24-d

25-d
26-c
27-d
28-a
29-c
30-a
31-b
32-a
33-24.929kW
34-0.444
35-0.5
36-93.18%
37-287.5K
38-
39-11.049kW
40-24530.7W/m
41-d



4. Convection

1-a
2-d
3-b
4-c
5-d
6-c
7-c
8-d
9-c
10-d
11-a

12-b

13-a

14-d

15-c

16-a

17-d

18-b

19-d

20-d

21-c

22-a

23-c

24-b

25-a
26-c
27-2
28-4613.12W/(m²K).
29-1.5
30-6.124mm
31-117W/(m²K).