MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Air Conditioning knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Make-up water is used to keep the water level constant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Evaporation from water to flowing air is carried out adiabatically. |
| A. | False |
| B. | True |
| Answer» C. | |
| 3. |
If h1 = 32 kJ/kg, h2 = 41 kJ/kg, hfw = 49 kJ/kg, W1 = 0.0109 kg/kg of dry air and W2 = 0.0297 kg/kg of dry air then what is the value of sigma heat? |
| A. | 41.0865 |
| B. | 39.5447 |
| C. | 38.9013 |
| D. | 45.8775 |
| Answer» C. 38.9013 | |
| 4. |
The term (h2 – W2 hfw) is known as_________ |
| A. | sigma term |
| B. | sigma heat |
| C. | heat factor |
| D. | heat term |
| Answer» C. heat factor | |
| 5. |
What is the ratio of humidity ratio of entering and discharging air? |
| A. | W2 / W1 = (hs2 – hfw) + ha2 – ha1 / (hs1 – hfw) |
| B. | W1 / W2 = (hs1 – hfw) + ha2 – ha1 / (hs2 – hfw) |
| C. | W1 / W2 = (hs2 – hfw) + ha2 – ha1 / (hs1 – hfw) |
| D. | W1 / W2 = (hs2 – hfw) + ha1 – ha2 / (hs1 – hfw) |
| Answer» D. W1 / W2 = (hs2 – hfw) + ha1 – ha2 / (hs1 – hfw) | |
| 6. |
The arrangement for extra-water to flow into the chamber from its top is called as ___________ |
| A. | chamber ingot |
| B. | chamber gate |
| C. | make-up gate |
| D. | make-up water |
| Answer» E. | |
| 7. |
Which of the following is the major equipment in the simplest form is used to do saturation of air? |
| A. | Chamber |
| B. | Vessel |
| C. | Insulated Chamber |
| D. | Pipe |
| Answer» D. Pipe | |
| 8. |
Which of the following is carried out to obtain saturation state at the thermodynamic WBT? |
| A. | Condensation |
| B. | Evaporation |
| C. | Compression |
| D. | Expansion |
| Answer» C. Compression | |
| 9. |
What is the temperature at which air can be brought to saturation state adiabatically? |
| A. | Thermodynamic WBT |
| B. | Thermodynamic DBT |
| C. | Thermodynamic DPT |
| D. | DPT |
| Answer» B. Thermodynamic DBT | |
| 10. |
What is the alternate name for thermodynamic wet-bulb temperature? |
| A. | Isobaric WBT |
| B. | Isobaric Saturation Temperature |
| C. | Adiabatic WBT |
| D. | Adiabatic Saturation Temperature |
| Answer» E. | |