Q1: Air conditioning ka main purpose hota hai:
(A) Temperature control
(B) Humidity control
(C) Air quality control
(D) Sabhi
Answer: (D) Sabhi
Q2: Sensible cooling ka matlab hai:
(A) Temperature reduce karna
(B) Humidity reduce karna
(C) Both temperature & humidity reduce karna
(D) None
Answer: (A) Temperature reduce karna
Q3: Latent cooling ka matlab hai:
(A) Humidity remove karna
(B) Temperature increase karna
(C) Air pressure reduce karna
(D) None
Answer: (A) Humidity remove karna
Q4: Psychrometry ka study karta hai:
(A) Properties of air-vapor mixture
(B) Water only
(C) Steam only
(D) Fuel properties
Answer: (A) Properties of air-vapor mixture
Q5: Dry bulb temperature define hoti hai:
(A) Actual air temperature
(B) Dew point
(C) Wet bulb temperature
(D) None
Answer: (A) Actual air temperature
Q6: Wet bulb temperature measure hoti hai:
(A) Temperature considering evaporative cooling
(B) Pressure only
(C) Humidity only
(D) None
Answer: (A) Temperature considering evaporative cooling
Q7: Relative humidity define hoti hai:
(A) Ratio of actual vapor pressure to saturation vapor pressure × 100
(B) Pressure ratio only
(C) Volume ratio
(D) None
Answer: (A) Ratio of actual vapor pressure to saturation vapor pressure × 100
Q8: Dew point temperature define hoti hai:
(A) Temperature jahan air saturate ho jaye aur condensation start ho
(B) Temperature increase
(C) Humidity decrease
(D) None
Answer: (A) Temperature jahan air saturate ho jaye aur condensation start ho
Q9: Air conditioning system types hoti hain:
(A) Central AC
(B) Window AC
(C) Split AC
(D) Sabhi
Answer: (D) Sabhi
Q10: Evaporator coil function:
(A) Absorb heat from conditioned space
(B) Reject heat to atmosphere
(C) Compress refrigerant
(D) Expansion only
Answer: (A) Absorb heat from conditioned space
Q11: Condenser coil function:
(A) Reject heat to atmosphere
(B) Absorb heat from room
(C) Compress refrigerant
(D) Expand refrigerant
Answer: (A) Reject heat to atmosphere
Q12: Expansion valve ka purpose:
(A) Reduce refrigerant pressure
(B) Increase pressure
(C) Heat addition
(D) Work input
Answer: (A) Reduce refrigerant pressure
Q13: Fan & blower in AC system ka purpose:
(A) Air circulation
(B) Increase refrigerant pressure
(C) Cooling water
(D) None
Answer: (A) Air circulation
Q14: Refrigerant selection criteria hoti hai:
(A) Non-toxic, Non-flammable, Suitable thermodynamic properties
(B) Color only
(C) Cost only
(D) Temperature only
Answer: (A) Non-toxic, Non-flammable, Suitable thermodynamic properties
Q15: COP (Coefficient of Performance) define hoti hai:
(A) Heat removed / Work input
(B) Work input / Heat removed
(C) Heat added / Work output
(D) None
Answer: (A) Heat removed / Work input
Q16: Air washer ka purpose hota hai:
(A) Air humidification
(B) Air filtration
(C) Air cooling
(D) Sabhi
Answer: (D) Sabhi
Q17: Multi-zone AC system ka benefit hota hai:
(A) Different zones independently control
(B) Single zone control only
(C) Temperature increase
(D) Pressure reduce
Answer: (A) Different zones independently control
Q18: Heat pump ka AC system ka advantage hota hai:
(A) Heating & cooling dono provide kar sakta hai
(B) Only cooling
(C) Only heating
(D) None
Answer: (A) Heating & cooling dono provide kar sakta hai
Q19: Psychrometric chart use hota hai:
(A) Air properties analysis
(B) Humidity & temperature design
(C) Cooling load calculation
(D) Sabhi
Answer: (D) Sabhi
Q20: AC system ki capacity define hoti hai:
(A) Heat removal rate from space
(B) Temperature only
(C) Pressure only
(D) Air velocity only
Answer: (A) Heat removal rate from space