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