HVAC On Off Control Basics

HVAC On Off Control Basics

Assessment

Interactive Video

Architecture, Physics, Science

University

Practice Problem

Easy

Created by

Wayground Content

Used 1+ times

FREE Resource

The video tutorial explains how to control the heat output from an electrical heater manually and automatically using a bimetallic strip thermostat. It describes how the strip bends with temperature changes to control the circuit. The tutorial also covers on-off control systems for heating or cooling, highlighting their limitations in maintaining a stable temperature and suggesting improvements by using smaller time intervals.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one way to manually control the heat output from an electrical heater?

Adjusting the room's insulation

Switching it on or off manually

Changing the heater's location

Using a remote control

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a bimetallic strip function as a thermostat?

It changes color with temperature

It bends to disconnect and reconnect the circuit

It emits a sound when the temperature changes

It vibrates to indicate temperature changes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of a manual switch in a thermostat system?

To allow user override of the heating

To increase the heater's power

To change the heater's location

To adjust the room's insulation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might a simple on-off control system not maintain a consistent room temperature?

It causes the room to be alternately too hot and too cold

It is too expensive to operate

It requires frequent maintenance

It uses too much energy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a suggested improvement for achieving a more even temperature in a room?

Dividing the time intervals into smaller segments

Using a more powerful thermostat

Increasing the size of the heater

Installing additional heaters

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