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