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HVAC Quiz 2

Total questions: 10

Worksheet time: 50mins

Name
Class
Date
1.

When was the first air conditioner introduced?

a)

1960

b)

1970

c)

1995

d)

1902

2.

What are some key components/functions of an AC Unit?

a)

Thermostat

b)

Filter

c)

Compressor

d)

Motor

3.

What are some of the ways that HVAC efficiency has improved?

a)

Speed

b)

Smart Thermostats

c)

Climate

d)

Electric companies

4.

What are some signs a central AC system needs maintenance?

a)

Increased electric bill

b)

Unusual noises

c)

Inconsistent air flow

d)

Leak

5.

Which component is essential for regulating temperature in modern HVAC systems?

a)

Filter

b)

Compressor

c)

Fan

d)

Smart Thermostat

6.

What is a significant benefit of using a smart thermostat in HVAC systems?

a)

More frequent maintenance

b)

Remote temperature control

c)

Higher energy consumption

d)

Increased noise

7.

Which of the following is a recent advancement in HVAC technology?

a)

Manual controls

b)

Window units

c)

Programmable thermostats

d)

Variable refrigerant flow systems

8.

Which of the following could help to reduce a home heating bill in winter?

a)

replacing wood doors with aluminum doors

b)

using more insulation in the walls of the home

c)

removing thick rugs and heavy curtains in the home

d)

painting the roof of the home white to reflect

9.

The percentage of energy put into a system that does useful work.

a)

Energy Conservation

b)

Energy Efficiency

c)

Energy Wattage

d)

Electricity

10.

What is the formula for calculating efficiency?

a)

Efficiency=Useful Energy OutputTotal Energy Input×100\text{Efficiency} = \frac{\text{Useful Energy Output}}{\text{Total Energy Input}} \times 100

b)

Efficiency=Total Energy InputUseful Energy Output×100\text{Efficiency} = \frac{\text{Total Energy Input}}{\text{Useful Energy Output}} \times 100

c)

Efficiency=Total Energy InputTotal Energy Output×100\text{Efficiency} = \frac{\text{Total Energy Input}}{\text{Total Energy Output}} \times 100

d)

Efficiency=Useful Energy OutputTotal Energy Output×100\text{Efficiency} = \frac{\text{Useful Energy Output}}{\text{Total Energy Output}} \times 100