Term
| What is the difference between a feature and a benefit: |
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Definition
-A feature is a special characteristic of a product
-A benefit is the value the customer receives from using the feature. |
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| What is the temperature most often used by customers when discussing human comfort is |
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Definition
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| A dictionary defines an honest person as |
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Definition
| One who is free from fraud or deception, credible, and is marked with integrity. With this definition in mind an honest person is fair in their dealings with other people |
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Term
| A unit of electrical pressure is? |
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Definition
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Term
| Each leg of line voltage is typically represented by the: |
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Definition
| Two lines on the side of a ladder diagram. |
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Term
| Humidifiers are used with heating systems to raise what |
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Definition
| Relative humidity and increase customer comfort. |
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Term
| Care should be taken before sawing basement walls that are part of the original construction of a home because these walls are typically |
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Definition
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Term
| Refrigerant vapors in high concentrations should not be inhaled because of what? |
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Definition
| May cause heart irregularities or unconsciousness |
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Term
| The damper used with a bypass humidifier must be open in what season |
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Definition
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Term
| Capillary tubing should only be cut to length using a? |
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Definition
| Triangular or knife-edge file. |
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Term
| A voltmeter is connected for taking voltage readings by connecting the voltmeter in (SERIES or PARALLEL)? |
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Definition
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Term
A motor can have two, four, or more poles.
What happens when a motor has fewer number of poles |
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Definition
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Term
| The following is true of a tapped multi-speed motor driving a supply blower: |
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Definition
| Changing the connected tap changes the CFM even under no blower load |
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Term
| A conventional thermometer with a moistened cloth wick covering its sensor is an example of what? |
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Definition
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Term
| Electrical current is measured in |
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Definition
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Term
| According to health and safety regulations, when climbing up or down a ladder the worker must always do what? |
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Definition
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Term
| According to Ohms Law,What happens when the voltage to an electric heating element is increased by 10% |
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Definition
| The current through the element increases by 10% |
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Term
| Why should Hacksaws never be used to cut copper tubing |
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Definition
| Because saw chips can remain inside the tubing |
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Term
| Is the process of Combustion a physical or chemical process? |
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Definition
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Term
| Because they are very accurate, liquid filled thermometers are often used in |
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Definition
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Term
| True or False .A pictorial schematic is useful for quickly visualizing each component in a unit |
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Definition
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Term
| Why is a sling psychrometer used to measure wet bulb and dry bulb temperatures |
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Definition
| To compute measurements of relative humidity |
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Term
| Motors above five horsepower that are used with belt driven fans are typically |
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Definition
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Term
[image]
As static pressure increases in a system with constant airflow the total amp draw will also increase with the static |
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Definition
| (AS THE STATIC PRESSURE INCREASES IN A SYSTEM THE RESULT IS A INCREASE IN AMP DRAW) |
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Term
| A technician works for a service company that is portrayed negatively in a news piece. The technician is given the opportunity to meet with management to go over the information presented. After hearing all the available facts, the technician decides the company committed no wrong and should be supported. The character trait being shown by the technician is also known as? |
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Definition
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Term
| True or false ....In a DC circuit Current flows only in one direction |
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Definition
True...
Remember DC is = to direct meaning str8 to the point
and AC is = to alternating current meaning it constantly alternates |
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Term
| True or false ....In a DC circuit Current flows only in one direction |
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Definition
True...
Remember DC is = to direct meaning str8 to the point
and AC is = to alternating current meaning it constantly alternates |
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Term
[image]
DOT (Department of Transportation) is the Federal agency with complete control over all shipping and labeling of refrigerants |
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Definition
| ANYTHING TO DO WITH SHIPPING OR TRANSFER of ANY SUBSTANCE WITH A HIGH POTENTIAL OF INJURY OR DANGER WILL BE REGULATED AND CONTROLLED BY THE DOT. |
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Term
| If you are checking for continuity with your meter set to ohms what are you checking? |
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Definition
You are checking for resistance
Remember continuity=resistance=ohms |
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Term
[image]
An analog VOM is an electrical meter that displays volts, ohms or milliamperes on an analog scale. |
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Definition
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Term
[image]
A digital electrical multimeter marked “auto ranging” will automatically set itself for range of approximate value when set for volts, amps, or ohms. |
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Definition
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Term
| The input side of a step-down transformer is also called? |
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Definition
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Term
| What meter setting should a technician use to determine whether or not a set of contacts are open in an energized circuit |
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Definition
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Term
| What condition must be met to make an agreement legally binding? |
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Definition
| Agreement must be in writing |
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Term
| In the following paragraph taken from a technician’s note, “the relay appeared to be overheated. Replacing it should fix the problem |
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Definition
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Term
[image]
(Pictorial wiring diagrams) generally show multiple components in their Approximate positions inside the equipment |
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Definition
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Term
| It is necessary to reverse the connections of two motor leads in order to achieve what effect with a 3 phase induction motor? |
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Definition
| change the direction of rotation of a fan |
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Term
| Lever type tubing benders are best used for? |
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Definition
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Term
| A coil of wire moving through a magnetic field will generate what? |
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Definition
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Term
| Capacitor start-induction run motors use what method for increasing their starting torque? |
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Definition
| A start capacitor and start relay contacts in series with the start winding |
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Term
| Any pressure exerted by a liquid or gas on a surface is typically measured as a reading relative to? |
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Definition
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Term
| When possible, avoid working on a slate tile roofs because |
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Definition
| There is a high risk of slipping and falling on this type of roof |
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Term
| 10 is What percentage of 30 |
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Definition
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Term
| The primary purpose for bringing outdoor air into a residential air distribution system is to |
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Definition
| Provide fresh air to a conditioned space |
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Term
| Field wired 120 and 240V wiring is typically shown on a wiring diagram as? |
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Definition
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Term
| Which particular right triangle has two equal sides? |
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Definition
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Term
[image]
In most field wiring diagrams the color coding of wiring remains consistent throughout the industry. |
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Definition
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Definition
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Term
| Customers often volunteer to advise a service technician on what they believe is the problem with a unit that is not operating properly |
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Definition
| The technician should consider the customer’s opinion to see if they have merit |
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Term
| The phrase “Educate me and I will buy from you” means? |
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Definition
| If the customer learns more about how you can fill their needs, they are more likely to buy your products |
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