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This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the depression in wet-bulb temperature ifLatent heat of vaporization(l)=100Difference in saturation humidity and humidity of ambient air= 2Ratio of heat and mass transfer coefficient is 0.4 |
A. | 2000 |
B. | 3000 |
C. | 1000 |
D. | 500 |
Answer» E. | |
2. |
What is the depression in wet-bulb temperature ifLatent heat of vaporization(l)=1000Difference in saturation humidity and humidity of ambient air= 3Ratio of heat and mass transfer coefficient is 0.1 |
A. | 2000 |
B. | 3000 |
C. | 1000 |
D. | 500 |
Answer» C. 1000 | |
3. |
What is the depression in wet-bulb temperature ifLatent heat of vaporization(l)=100Difference in saturation humidity and humidity of ambient air= 2Ratio of heat and mass transfer coefficient is 0.2 |
A. | 2000 |
B. | 3000 |
C. | 1000 |
D. | 500 |
Answer» B. 3000 | |
4. |
What is the depression in wet-bulb temperature ifLatent heat of vaporization(l)=1000Difference in saturation humidity and humidity of ambient air= 2Ratio of heat and mass transfer coefficient is 0.4 |
A. | 6666.67 |
B. | 10000 |
C. | 5000 |
D. | 4000 |
Answer» D. 4000 | |
5. |
What is the depression in wet-bulb temperature ifLatent heat of vaporization(l)=1000Difference in saturation humidity and humidity of ambient air= 2Ratio of heat and mass transfer coefficient is 0.2 |
A. | 6666.67 |
B. | 10000 |
C. | 5000 |
D. | 4000 |
Answer» C. 5000 | |
6. |
What is the depression in wet-bulb temperature ifLatent heat of vaporization(l)=1000Difference in saturation humidity and humidity of ambient air= 2Ratio of heat and mass transfer coefficient is 0.5 |
A. | 6666.67 |
B. | 10000 |
C. | 5000 |
D. | 4000 |
Answer» E. | |
7. |
What is the depression in wet-bulb temperature ifLatent heat of vaporization(l)=1000Difference in saturation humidity and humidity of ambient air= 2Ratio of heat and mass transfer coefficient is 0.3 |
A. | 6666.67 |
B. | 10000 |
C. | 5000 |
D. | 4000 |
Answer» B. 10000 | |
8. |
What is wet-bulb temperature? |
A. | Temperature of air measured by thermometer whose bulb is dry. |
B. | It is the temperature attained by small amount of evaporating water in such a manner that sensible heat transferred from air to liquid is equal to latent heat required for evaporation. |
C. | The ratio of partial pressure of water vapor in air to the vapor pressure of water at same temperature. |
D. | Direct measure of moisture content in a gas |
Answer» C. The ratio of partial pressure of water vapor in air to the vapor pressure of water at same temperature. | |
9. |
What is the depression in wet-bulb temperature i? |
A. | =1000 |
B. | |
Answer» B. | |
10. |
What is relative humidity? |
A. | Temperature of air measured by thermometer whose bulb is dry. |
B. | It is the temperature attained by small amount of evaporating water in such a manner that sensible heat transferred from air to liquid is equal to latent heat required for evaporation. |
C. | The ratio of partial pressure of water vapor in air to the vapor pressure of water at same temperature. |
D. | Direct measure of moisture content in a gas |
Answer» D. Direct measure of moisture content in a gas | |
11. |
What is absolute humidity? |
A. | Temperature of air measured by thermometer whose bulb is dry. |
B. | It is the temperature attained by small amount of evaporating water in such a manner that sensible heat transferred from air to liquid is equal to latent heat required for evaporation. |
C. | The ratio of partial pressure of water vapor in air to the vapor pressure of water at same temperature. |
D. | Direct measure of moisture content in a gas |
Answer» E. | |
12. |
What is dry-bulb temperature? |
A. | Temperature of air measured by thermometer whose bulb is dry. |
B. | It is the temperature attained by small amount of evaporating water in such a manner that sensible heat transferred from air to liquid is equal to latent heat required for evaporation. |
C. | The ratio of partial pressure of water vapor in air to the vapor pressure of water at same temperature. |
D. | Direct measure of moisture content in a gas |
Answer» B. It is the temperature attained by small amount of evaporating water in such a manner that sensible heat transferred from air to liquid is equal to latent heat required for evaporation. | |
13. |
What is gas cooling? |
A. | The process of increasing the moisture of the air is called as humidification. |
B. | The hot air when cooled with contact in water. |
C. | The warm air taken out when brought in contact with water |
D. | The air-water cooling done to cool down the warm water. |
Answer» D. The air-water cooling done to cool down the warm water. | |
14. |
What is water-cooling? |
A. | The process of increasing the moisture of the air is called as humidification. |
B. | The hot air when cooled with contact in water. |
C. | The warm air taken out when brought in contact with water |
D. | The air-water cooling done to cool down the warm water. |
Answer» E. | |
15. |
What is dehumidification? |
A. | The process of increasing the moisture of the air is called as humidification. |
B. | The hot air when cooled with contact in water. |
C. | The warm air taken out when brought in contact with water |
D. | The air-water cooling done to cool down the warm water. |
Answer» C. The warm air taken out when brought in contact with water | |
16. |
What is humidification? |
A. | The process of increasing the moisture of the air is called as humidification. |
B. | The hot air when cooled with contact in water. |
C. | The warm air taken out when brought in contact with water |
D. | The air-water cooling done to cool down the warm water. |
Answer» B. The hot air when cooled with contact in water. | |