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Question 1 of 4
Intermediate
What can happen if the NPSHa is lower than the NPSHr in an open loop circuit?
Question 2 of 4
Intermediate
On average, how much energy in a commercial building is consumed by HVAC systems?
Question 3 of 4
Intermediate
What do solar shading devices do?
Question 4 of 4
Intermediate
How many main types of air-conditioning systems are there?
Question 4 of 4
Intermediate
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1: What can happen if the NPSHa is lower than the NPSHr in an open loop circuit?
Nothing happens
You can find the answer here >
1: What can happen if the NPSHa is lower than the NPSHr in an open loop circuit?
It causes the system to restart
You can find the answer here >
1: What can happen if the NPSHa is lower than the NPSHr in an open loop circuit?
It can cause cavitation
2: On average, how much energy in a commercial building is consumed by HVAC systems?
2: On average, how much energy in a commercial building is consumed by HVAC systems?
30-40%
2: On average, how much energy in a commercial building is consumed by HVAC systems?
3: What do solar shading devices do?
They lower the heat ingress in a building's glass, reducing the overall heat load
3: What do solar shading devices do?
They convert solar rays into heat that can be stored
You can find the answer here >
3: What do solar shading devices do?
They help to ensure optimal positioning of the thermal barrier
You can find the answer here >
4: How many main types of air-conditioning systems are there?
4: How many main types of air-conditioning systems are there?
3
4: How many main types of air-conditioning systems are there?