- Study guides, Class notes & Summaries

BOMA-Instrumentation & Controls Questions and Answers Graded A+ A submaster controller resets the set point of the master controller. False Normally open refers to a controlled device that opens when no operating force is applied. True A P.E. Switch is used to change an electrical signal to a pneumatic output. False Moisture and dirt are detrimental to the operation of pneumatic control systems. True A static pressure regulator senses the pressure in the plenum the regulator contro...

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11 pages

Written in 2023/2024

Grade A

StellarScores

2024 BOMA INSTRUMENTATION & CONTROLS EXAM WITH 180+ QUESTIONS & CORRECT ANSWERS 2024 BOMA INSTRUMENTATION & CONTROLS EXAM WITH 180+ QUESTIONS & CORRECT ANSWERS

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18 pages

Written in 2024/2025

Grade A+

NurseSue

BOMA INSTRUMENTATION & CONTROLS EXAM QUESTIONS WITH CORRECT ANSWERS PACKAGE DEAL

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6 items

Studyclock

A submaster controller resets the set point of the master controller. False Normally open refers to a controlled device that opens when no operating force is applied. True A P.E. Switch is used to change an electrical signal to a pneumatic output. False Moisture and dirt are detrimental to the operation of pneumatic control systems. True A static pressure regulator senses the pressure in the plenum the regulator controls. The sensor that indicates this pressure to this re...

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9 pages

Written in 2024/2025

Grade A+

Studyclock

Two basic categories of chillers are the ___. a. Compression cycle and absorption b. purge and absorption c. absorption and lithium bromide d. purge and lithium bromide - ANS a. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. a. circulation b. velocity c. . d. none of the above - ANS a. circulation The primary function of an expansion device is to ____. a. produce a reduction in the ...

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19 pages

Written in 2024/2025

Grade A+

Studyclock

The man whose work is considered the real beginning of the science of air-conditioning _____. - ANS Willis Carrier Psychrometry refers to the relationship between _____ and _____. - ANS Humidity; air The amount of moisture in the air compared to how much it can hold is _____. - ANS Relative humidity The human bodies well being depends upon the _____. - ANS Bodies metabolism The device used to determine the moisture content of air is the _____ - ANS psychrometer Of t...

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7 pages

Written in 2024/2025

Grade A+

Studyclock

When Starting a centrifugal pump That is part of a manifold with no check valves - ANS You should open the suction valve, start the pump and open the discharge valve slowly Curb cock - ANS A Valve insert it in a water line between the corporation stop and the water meter is generally called To check sheave wear - ANS Measure each groove angle Variable pitch sheaves may be used in some cases to provide which of the following types of speech changes - ANS Small Absolute pre...

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8 pages

Written in 2024/2025

Grade A+

Studyclock

Dual Duct System - ANS A system in which hot air and cold air are supplied by separate ducts and mixed at each controlled space to provide the desired supply air temperature. This method consumes a great deal of energy. Multi Zone System - ANS an a/c system in which the zone control is obtained by mixing hot and cold air at the unit in response to a room thermostat Load Calculations - ANS take the sensible heat and the latent heat into consideration which of the following do...

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8 pages

Written in 2024/2025

Grade A+

Studyclock

A holding contact or maintaining contact in a magnetic motor starter is normally connected in parallel with the? - ANS Stop push button, start push button, and starter coil The armatures of both AC and DC contactors must move freely or? - ANS all the contacts may weld together Which of the following devices prevent motors from drawing too much current? - ANS overloads The primary difference between a motor starter and a motor contactor is the starter has an? - ANS overload p...

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7 pages

Written in 2024/2025

Grade A+

Studyclock

What important function doesn't the care receiver perform? - ANS Dissipate heat, dampens compressor pulsation, Act as water and oil trap On a compressed air system a safety valve would generally be installed on the - ANS Air receiver Variable air volume system - ANS Typically use the VFD's to save energy In figure 1.3, a fool call for cooling would be at what branch pressure to the damper motor - ANS 3PSIG A ratio relay would be used to - ANS Controlled the ...

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8 pages

Written in 2024/2025

Grade A+

Studyclock

Instrumentation & Controls BOMAQuestions And Answers

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7 pages

Written in 2024/2025

Grade A+

agradesolutions

BOMA-Instrumentation & Controls with Complete Solutions

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5 pages

Written in 2024/2025

Grade A+

CLOUND

Instrumentation & Controls BOMA Pre-Quiz -Answered 2024

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7 pages

Written in 2024/2025

Grade A+

CLOUND

Dual Duct System - ANSWER A system in which hot air and cold air are supplied by separate ducts and mixed at each controlled space to provide the desired supply air temperature. This method consumes a great deal of energy. Muiltizone System - ANSWER an a/c system in which the zone control is obtained by mixing hot and cold air at the unit in response to a room thermostat Load Calulations - ANSWER take the sensible heat and the latent heat into consideration

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9 pages

Written in 2024/2025

Grade A+

shantelleG

Define Thermal Energy - ANSWER Energy associated with the movement of molecules and measured as heat Define Electrical Energy - ANSWER Energy associated with the flow of negatively charged electrons through a conductive medium. Define Mechanical Energy - ANSWER The sum of kinetic and potential energy. Kinetic being the energy of motion, potential being stored energy. Define BTU - ANSWER Quantity of heat possessed by an object is measured in BTU. It is the amount of heat required to rais...

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27 pages

Written in 2024/2025

Grade A+

shantelleG

The man whose work is considered the real beginning of the science of air-conditioning _____. - ANSWER Willis Carrier Psychrometry refers to the relationship between _____ and _____. - ANSWER Humidity; air The amount of moisture in the air compared to how much it can hold is _____. - ANSWER Relative humidity The human bodies well being depends upon the _____. - ANSWER Bodies metabolism

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8 pages

Written in 2024/2025

Grade A+

shantelleG

Duplex Air Compressor? - ANSWER Consists of two air compressors and two electric motors on one common receiver. Dynamic Compressor? - ANSWER Adds kinetic energy to accelerate air and convert the velocity energy to pressure energy with a diffuser. Effectively the branch pressure range on most pneumatic controllers is? - ANSWER 3 to 15 lbs. Electric Control Systems? - ANSWER A control system in which the power supply is - Low voltage (24 volts). Line voltage (120 or 220 volts). Rarely use...

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20 pages

Written in 2024/2025

Grade A+

shantelleG

Two basic categories of chillers are the - ANSWER compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, and ventilation - ANSWER circulation The primary function of an expansion device is to - ANSWER produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator, lower the boiling point of the refrigerant far enough below the temperature of the load to get the needed heat transfe...

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9 pages

Written in 2024/2025

Grade A+

shantelleG

What important functions does an air receiver perform? - ANSWER Dissipates heat, Dampens compressor pulsations, Act as water oil trap On a compressed air system a safety valve would generally be installed on the? - ANSWER Air receiver Variable air volume system? - ANSWER Typically use VFDs to save energy

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9 pages

Written in 2024/2025

Grade A+

shantelleG

When starting a centrifugal pump that is part of a manifold with no check valves. - ANSWER You should open the suction valve, start the pump and open the discharge valve slowly. A valve inserted in a water line between the corporation stop and the water meter is generally called. - ANSWER Curb cock To check sheave wear. - ANSWER Measure each groove angle

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9 pages

Written in 2024/2025

Grade A+

shantelleG

What important function(s) does an air receiver perform? - ANSWER Dissipates heat, Dampens compressor pulsations, Act as water and oil trap On a compressed air system a safety valve would generally be installed on the: - ANSWER Air receiver Variable air volume system: - ANSWER Typically use VFDs to save energy

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9 pages

Written in 2024/2025

Grade A+

shantelleG