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Specialties CM 411 Exam Questions With 100% Correct Answers Graded A+
Assume that you have a circuit with a 9 volt battery and 3 lights (of equal resistance) connected in series. What is the voltage across each light? - CORRECT ANSWER-3 V Assume that you have a circuit with a 9v battery and 3 lights connected in parallel. What is the voltage across each light? - CORRECT ANSWER-9 V Which of the following circuit arrangements is most common in buildings? - CORRECT ANSWER-Parallel Circuit Ohm's Law establishes the relationship between: - CORRECT ANSWER-Volt...
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Assume that you have a circuit with a 9 volt battery and 3 lights (of equal resistance) connected in series. What is the voltage across each light? - CORRECT ANSWER-3 V Assume that you have a circuit with a 9v battery and 3 lights connected in parallel. What is the voltage across each light? - CORRECT ANSWER-9 V Which of the following circuit arrangements is most common in buildings? - CORRECT ANSWER-Parallel Circuit Ohm's Law establishes the relationship between: - CORRECT ANSWER-Volt...
CM 411 Midterm #1Exam Questions & Answers Scored A+ latest Version 2024/2025
A. plumbarius - CORRECT ANSWER-An individual who worked in the sanitary field in ancient Rome was called a(n) A. plumbarius B. electrician C. field worker D. none of the above C. amber - CORRECT ANSWER-The word electricity is derived from the Greek word for_______. A. lumen B. ferrite C. amber D. pneumatic B. Electricity - CORRECT ANSWER-___ is used to provide energy for traditional electrical applications such as lighting, heating, cooling, cooking, communication, and transportat...
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A. plumbarius - CORRECT ANSWER-An individual who worked in the sanitary field in ancient Rome was called a(n) A. plumbarius B. electrician C. field worker D. none of the above C. amber - CORRECT ANSWER-The word electricity is derived from the Greek word for_______. A. lumen B. ferrite C. amber D. pneumatic B. Electricity - CORRECT ANSWER-___ is used to provide energy for traditional electrical applications such as lighting, heating, cooling, cooking, communication, and transportat...
CM 411 - Redden Actual Exam Questions With 100% Correct Answers Graded A+
Which is not an element for "comfort" - CORRECT ANSWER-Noise Normal Ventilation for a building is - CORRECT ANSWER-20 CFM per person Comfort for heating and cooling is usually attained with a relative humidity of - CORRECT ANSWER-50% Water flow is typically expressed in which units? - CORRECT ANSWER-Gallons per minute A device that adds moisture into air is - CORRECT ANSWER-Humidifier Liquids traveling through a steel pipe: a) has pressure loss due to friction with the walls of...
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Which is not an element for "comfort" - CORRECT ANSWER-Noise Normal Ventilation for a building is - CORRECT ANSWER-20 CFM per person Comfort for heating and cooling is usually attained with a relative humidity of - CORRECT ANSWER-50% Water flow is typically expressed in which units? - CORRECT ANSWER-Gallons per minute A device that adds moisture into air is - CORRECT ANSWER-Humidifier Liquids traveling through a steel pipe: a) has pressure loss due to friction with the walls of...
CM 411 Midterm 2 Exam Questions With Accurate Solutions Graded A+
The pressure of the atmosphere on the mercury in the open dish prevents mercury in the tube from ___ - CORRECT ANSWER-Running out Heat flows from the hot __ to the __ condensing medium operating refrigeration system - CORRECT ANSWER-refrigerant vapor; cold The second digit in a two-digit refrigerant number represents the number of ____ atoms in each molecule of the refrigerant - CORRECT ANSWER-fluorine Minute pressure changes can be expressed in ___ of water column - CORRECT ANSWER-inch...
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The pressure of the atmosphere on the mercury in the open dish prevents mercury in the tube from ___ - CORRECT ANSWER-Running out Heat flows from the hot __ to the __ condensing medium operating refrigeration system - CORRECT ANSWER-refrigerant vapor; cold The second digit in a two-digit refrigerant number represents the number of ____ atoms in each molecule of the refrigerant - CORRECT ANSWER-fluorine Minute pressure changes can be expressed in ___ of water column - CORRECT ANSWER-inch...
CM 411 Quiz 3 With 100% Accurate Solutions Graded A+
A pre-requisite for a cost estimate is - CORRECT ANSWER-Scope definition Mechanical bid solicitation may come from - CORRECT ANSWER-Any of the above Who would typically program the building control system? - CORRECT ANSWER-automation contractor Where could you find the piping insulation type and thickness - CORRECT ANSWER-Any of the above Gate valve primary function is to - CORRECT ANSWER-isolate flow What is the difference between an AC unit and a heat pump? - CORRECT ANSWER-Reve...
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A pre-requisite for a cost estimate is - CORRECT ANSWER-Scope definition Mechanical bid solicitation may come from - CORRECT ANSWER-Any of the above Who would typically program the building control system? - CORRECT ANSWER-automation contractor Where could you find the piping insulation type and thickness - CORRECT ANSWER-Any of the above Gate valve primary function is to - CORRECT ANSWER-isolate flow What is the difference between an AC unit and a heat pump? - CORRECT ANSWER-Reve...
CM 411 Midterm Exam Questions With 100% Correct Answers Scored A+
3 volts - CORRECT ANSWER-Assume that you have a circuit with a 9 volt battery and 3 lights (of equal resistance connected in series). What is the voltage across each light? 9 volts - CORRECT ANSWER-Assume that you have a circuit with a 9 volt and 3 lights connected in parallel. What is the voltage across each light? parallel - CORRECT ANSWER-which of the following electrical circuit arrangement is most common in buildings? voltage, current, resistance - CORRECT ANSWER-ohms law establish...
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3 volts - CORRECT ANSWER-Assume that you have a circuit with a 9 volt battery and 3 lights (of equal resistance connected in series). What is the voltage across each light? 9 volts - CORRECT ANSWER-Assume that you have a circuit with a 9 volt and 3 lights connected in parallel. What is the voltage across each light? parallel - CORRECT ANSWER-which of the following electrical circuit arrangement is most common in buildings? voltage, current, resistance - CORRECT ANSWER-ohms law establish...
CM 411 Quiz 3 With 100% Accurate Solutions Scored A+
A building may have: - CORRECT ANSWER-One system ground at the service only Types of grounds include: - CORRECT ANSWER-A copper ground rod; a metal cold water pipe; or a UFER ground Locations where a GFCI is required by code include: - CORRECT ANSWER-Bathrooms and Outdoors Which is capable of providing a large amount of current, a short circuit (line-to-line) fault or a ground fault? - CORRECT ANSWER-Short circuit What are the TWO internal devices inside a GFCI? - CORRECT ANSWER-An A...
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A building may have: - CORRECT ANSWER-One system ground at the service only Types of grounds include: - CORRECT ANSWER-A copper ground rod; a metal cold water pipe; or a UFER ground Locations where a GFCI is required by code include: - CORRECT ANSWER-Bathrooms and Outdoors Which is capable of providing a large amount of current, a short circuit (line-to-line) fault or a ground fault? - CORRECT ANSWER-Short circuit What are the TWO internal devices inside a GFCI? - CORRECT ANSWER-An A...
CM 411 Quiz 2 With 100% Complete Solutions Graded A+
What type of lighting fixture would you specify if you wanted the longest lamp life? - CORRECT ANSWER-Mercury Vapor What type of lighting fixture would you specify if you wanted the best overall combination of cost, efficiency, color rendition, and life? - CORRECT ANSWER-Fluorescent What term is used as a measure of light energy? - CORRECT ANSWER-Lumen What feature is performed by a lighting ballast? - CORRECT ANSWER-All of these are true: Provide a high voltage to start the arc Provide...
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What type of lighting fixture would you specify if you wanted the longest lamp life? - CORRECT ANSWER-Mercury Vapor What type of lighting fixture would you specify if you wanted the best overall combination of cost, efficiency, color rendition, and life? - CORRECT ANSWER-Fluorescent What term is used as a measure of light energy? - CORRECT ANSWER-Lumen What feature is performed by a lighting ballast? - CORRECT ANSWER-All of these are true: Provide a high voltage to start the arc Provide...
CM 411 Mechanical Quiz 4 With 100% Accurate Solutions Scored A+
The differences for standard bathroom and ADA compliance bathroom are all except for - CORRECT ANSWER-Labeling "ADA compliance" on all fixtures DFU stands for - CORRECT ANSWER-Drainage fixture unit The typical drainage slope for sanitary piping is 1/4 inch per - CORRECT ANSWER-1 foot PVC piping fittings are all - CORRECT ANSWER-All of the above (Labeled with schedule; Labeled with size; Labeled with material type) Copper piping from thinnest to thickest is - CORRECT ANSWER-MLK ...
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The differences for standard bathroom and ADA compliance bathroom are all except for - CORRECT ANSWER-Labeling "ADA compliance" on all fixtures DFU stands for - CORRECT ANSWER-Drainage fixture unit The typical drainage slope for sanitary piping is 1/4 inch per - CORRECT ANSWER-1 foot PVC piping fittings are all - CORRECT ANSWER-All of the above (Labeled with schedule; Labeled with size; Labeled with material type) Copper piping from thinnest to thickest is - CORRECT ANSWER-MLK ...
CM 411 Quiz 1 With Highest Ratings Newest Update 2024/2025 !!
Current - CORRECT ANSWER-A flow of electric charge. Amperes - CORRECT ANSWER-the unit for measuring electrical current; the abbreviation is amp. Conductor - CORRECT ANSWER-A material that allows heat and electricity to pass through it. Insulator - CORRECT ANSWER-A material that does not allow heat or electrons to move through it easily. Electromotive Force (EMF) - CORRECT ANSWER-The power supplied by the supply per unit current. Potential Difference - CORRECT ANSWER-the difference...
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Current - CORRECT ANSWER-A flow of electric charge. Amperes - CORRECT ANSWER-the unit for measuring electrical current; the abbreviation is amp. Conductor - CORRECT ANSWER-A material that allows heat and electricity to pass through it. Insulator - CORRECT ANSWER-A material that does not allow heat or electrons to move through it easily. Electromotive Force (EMF) - CORRECT ANSWER-The power supplied by the supply per unit current. Potential Difference - CORRECT ANSWER-the difference...
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