STED COUNCIL CERTIFICATE IN QUANTITY SURVEYING & COST ESTIMATION 2025 SCHEME 0% MCQ exam for HVAC Designing & Drafting Online Exam Your NameEmail-idPhone Number 1 / 30 1) What is the capacity of Split AC? 4 TR 2 TR 3 TR 5 TR 2 / 30 2) What is the purpose of condenser in HVAC? To increase the pressure To reduce the pressure To absorb heat To reject heat 3 / 30 3) Ducts are used to transfer water Air Gas Oil 4 / 30 4) Which of the following is the equipment of HVAC? Chiller Transformer Fire Pump Steam Turbine 5 / 30 5) Which method is best suited for Duct Designing? Velocity Reduction Equal Friction Modified Equal Friction Static Regain 6 / 30 6) Formula to calculate chilled water flow rate is TR × 2.4 TR × 2.0 TR × 3.0 TR × 1.8 7 / 30 7) Which of the following is not an AC Unit? AHU Cooling Tower FCU Chiller 8 / 30 8) 1 TR = How many BTU/Hr 13000 14000 10000 12000 9 / 30 9) What is the function of vav box? Regulate airflow Regulate pressure Regulate temperature Regulate velocity of air 10 / 30 10) Which of the following Refrigerant is banned? R134c R500 R410a R22 11 / 30 11) Which refrigerant is best to use? With high freezing point With low freezing point With high pressure With high boiling point 12 / 30 12) What is the function of Chiller? Supply Warm Water Supply chilled water Supply Cool Air Supply Fresh Air 13 / 30 13) What is the function of Evaporator in HVAC? Reject Fresh Air Supply Fresh Air Reject Hot Air Supply Cool Air 14 / 30 14) What is the unit of heat in MEP? Btu J/kg Calorie Joule 15 / 30 15) Which is the right statement about CFM/ft 0.05 0.07 0.01 0.06 16 / 30 16) Which of the following is not an ac unit? Chiller Cooling tower AHU FCU 17 / 30 17) 1 TR = How many KW 5.516 2.516 4.516 3.516 18 / 30 18) As per SMACNA rule what is the maximum length for a flex duct in HVAC 1200 1800 1600 1500 19 / 30 19) What is the state of refrigerant in evaporator? High pressure, low temperature, liquid refrigerant Low pressure, high temperature, vapour refrigerant High pressure, high temperature, vapour refrigerant Low pressure, low temperature, liquid refrigerant 20 / 30 20) What is the Human comfort Temperature? 24°C 34°C 29°C d) 20°C 21 / 30 21) What is the process called for adding the moisture? Saturation Humidification Stratification Dehumidification 22 / 30 22) R-410a Refrigerant is derived from? Sodium Bromine Iodine Fluorine 23 / 30 23) Humidity Ratio deals with? Weight of vapor Weight of moisture in air Weight of water in atmosphere None of above 24 / 30 24) Which equipment is best for data centres? Precision ac Cassette ac Ahu Split ac 25 / 30 25) Which of the following is not a building material? Wall Door Glass Roof 26 / 30 26) Heat Load Calculation is performed by which method None of Above Beta Elite E20 27 / 30 27) What is the formulae to calculate duct size? W/H WxH Lx W Wx L 28 / 30 28) Which is not the standard used in HVAC UPC SMACNA ARI ASHRAE 29 / 30 29) What is the parameter to measure the degree of Temperature? Degree Celsius PSI Kg/cm Bar 30 / 30 30) Which has the easy installation process? Rectangular duet Square duet Round duct Oval Duct Your score is 0%