Chapter 12 AIR CONDITIONING AND VENTILATION OF BUILDING MCQs 12 min Score: 0 Attempted: 0/12 Subscribe 1. Comfortable zone of temperature for human being. (A) 25-30 °C (B) 10-15 °C (C) 15-25 °C (D) 30-45 °CShow All Answers 2. Heat transfers through (A) Conduction (B) Convection (C) Radiation (D) All of theseShow All Answers 3. The most thermal resisting material. (A) Wood (B) Glass (C) Brick masonry (D) MarbleShow All Answers 4. The most thermal resisting material. (A) Concrete (B) Plaster (C) Cork (D) AsphaltShow All Answers 5. Entering and exit of natural or conditioned air in the building (A) Air conditioning (B) Ventilation (C) Aeration (D) All of theseShow All Answers 6. Air conditioning system suitable for large buildings (A) Unit air conditioning (B) Split air conditioner (C) Anyone (D) Central systemShow All Answers 7. Conduction of heat through wood depends upon (A) Porosity (B) Moisture content (C) All of these (D) Bulk densityShow All Answers 8. Installation of exhaust fan in bathroom is called (A) Natural ventilation (B) None of these (C) Artificial ventilation (D) Mechanical ventilationShow All Answers 9. Artificial ventilation is (A) Exhaust fan (B) Pushing fan (C) Suction (D) All of theseShow All Answers 10. Filter used in Air conditioning to remove bacteria (A) Dry filter (B) Ozoning filter (C) Electric filter (D) Viscous filterShow All Answers 11. It is necessary to keep ______ in an air conditioning system (A) Control of temperature (B) All of these (C) Dryness (D) Direction of airShow All Answers 12. Humidity required at the temperature of 15 to 25 °C (A) 10-20 % (B) 20-30 % (C) 40-70 % (D) 30-40 %Show All Answers
