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