Topic wise Paper Solution
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 1a)(d) |
Define : i) Tonnage of refrigeration........ |
4 |
| Q 2 b ) |
Explain vapour compression refrigeration cycle on T-S and p-h charts.. |
8 |
| Q 3 e ) |
Explain the effect of superheating and subcooling on the performance of vapour compression cycle...... |
4 |
| Q 4a)(d) |
Name the refrigerants used for.. |
4 |
| Q 6 d ) |
Define : i) WBT ii) DPT. |
4 |
| Q 6 e ) |
Explain the working of simple vapour absorption refrigeration system. |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 4a)(c) |
Draw a neat block diagram of vapour compression cycle. |
4 |
| Q 6 a ) |
Explain the following terms :- i) Daltons law of partial pressures |
4 |
| Q 6 b ) |
Sketch a psychrometric chart and show the following properties of air on it..... |
4 |
| Q 6 c ) |
Draw only a neat labelled sketch of window air-conditioner. |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 2 b ) |
Represent following processes on Psychrometric chart............ |
8 |
| Q 3 c ) |
Enlist the four effects of subcooling on the performance of V.C.C. refrigeration cycle. |
4 |
| Q 5 a ) |
Explain with neat block diagram the working of ‘Vapour Absorbtion Cycle’....... |
8 |
| Q 6 a ) |
State the following term... |
4 |
| Q 6 d ) |
Compare between window air conditioner............. |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 2 a ) |
Differentiate vapour compression and vapour absorption refrigeration system......... |
8 |
| Q 3 c ) |
Define i) Humidity ratio, ii) Specific humidity |
4 |
| Q 5 a ) |
Explain with neat sketch construction and working of ice plant. |
8 |
| Q 6 c ) |
Define (i) Dew point temp. (ii) Wet bulb temp |
4 |
| Q 6 e ) |
Draw neat sketch of split air conditioner and name the parts. |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 2 c ) |
Explain vapour compression refrigeration........ |
8 |
| Q 3 e ) |
Explain the concept of super heating and sub cooling with the help of P-h and T-s charts |
4 |
| Q 5 c ) |
Draw a neat sketch of vapour compression refrigeration cycle. Describe its working |
8 |
| Q 6 d ) |
Difference Heat Pump Refrigerator |
4 |
| Q 6 e ) |
Explain the working of window air conditioner with neat sketch. |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 2 b ) |
Explain sensible heating and cooling with.. |
8 |
| Q 3 c ) |
Draw and explain simple vapour absorption refrigeration system |
4 |
| Q 5 a ) |
Explain construction and working of ice plant with neat sketch. |
8 |
| Q 6 a ) |
Represent subcooling and superheating on P-h and T-S diagram.... |
4 |
| Q 6 d ) |
Give classification of air conditioning system...... |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 2b)(i) |
Define: 1) DPT |
8 |
| Q 2b)(ii) |
Define following terms 1) specific humidity |
8 |
| Q 3 c ) |
List any four applications of refrigeration. |
4 |
| Q 5 a ) |
A vapour compression machine is used to maintain a temperature of –23°C in a refrigerated space. The ambient temperature is 37°C..... |
8 |
| Q 6 d ) |
Distinguish between central A/C and unitary A/C systems with respect to following parameters.... |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 2 c ) |
Explain working principle of simple vapour |
8 |
| Q 3 e ) |
Represent wet compression and dry compression on |
4 |
| Q 5 c ) |
Explain with neat sketch working principle of Ice plant. |
8 |
| Q 6 d ) |
Define : i) DBT |
4 |
| Q 6 e ) |
Give the classification of air conditioning systems. |
4 |