Sun and sky

What is the common definition for road traffic, rail, airport, industry noises?

What is keeping the temperature, humidity and airflow within acceptable range?

What do we call the water that was used in the building?

What is the most common cause of fire?

What is the type of lighting that is intended to provide the proper visual environment for the task?

What is the number of cycles in one second in a sound wave and has the unit Hz?

What is totality of building elements separating indoor form outdoor environment?

What is the element that connects buildings to sewer system called?

What is the oxidation reaction called?

What do we call solar radiation which human eye can see?

What is time measured for sound to decay 60 dB?

What is amount of heating needed to maintain desired temperature in a space?

What is the system that uses pumps to send water into the building?

What is an uncontrolled combustion?

What is the natural 24 hour cycle of light and dark that regulates daily rhythm?

What is loudness of sound with unit dB?

What is the heating system that provides heat from one point to multiple rooms?

What are the elements that combine hot and cold water?

What is a combustion without a flame?

What is sensation of bright areas caused by light from outside?

What is 30 dB + 30 dB?

What is unit amount of heat transmitted in 1 hour through building component of 1m2, when temperature difference is 1 degrees celsius?

What is the water seal used in sanitary appliances in order to prevent a hygienic barrier by preventing sewer gasses from passing up the drainpipe?

What class is the fire of combustible solid materials such as wood, coal, paper, grass?