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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...

BOMA - Instrumentation & Controls Questions and Answers Rated A+ What important function(s) does an air receiver perform? 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: Air receiver Variable air volume system: Typically use VFDs to save energy In figure 1.3, a full call for cooling would be at what branch pressure to the damper motor? 3 psig A ratio relay would be used to. Contr...

BOMA - General Maintenance Questions and Answers Graded A+ When starting a centrifugal pump that is part of a manifold with no check valves: 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: Curb cock To check sheave wear: Measure each groove angle Variable pitch sheaves may be used in some cases to provide which of the following types of speed ...

BOMA - Plant Operations Questions and Answers Already Passed 1. How may fittings be attached to a high pressure boiler? Threaded, Certified welds, Flanges Which test determines the relieving capacity of safety valves Accumulation test Flue gasses can leave at high temperatures. We can recover some of this heat using a(n): Economizer Feed water is typically heated with Waste or extracted steam What is the maximum pounds of steam per hour of a boiler called? Boiler capacity ...

HVAC BOMA 501 Study Guide Latest Update Graded A+ Dual Duct System 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 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 take the sensible heat and the latent heat into consideration ...

Electric Motors Controls BOMA Pre-Quiz Latest Version Graded A+ How does a U.P.S. (Uninterruptible power supply) work? AC rectified to DC batteries then Inverted to AC Batteries energy capacity is measured in? Amp-hours Batteries have two rated values. Voltage and amp-hours How do you top off water in a battery cell? Distilled water when the level is below the plate. A voltage monitor relay is used for? Starting backup generators. Fuel for diesel generators is often stored ...

HVAC BOMA Pre-Quiz Latest Version with Complete Solutions Two basic categories of chillers are the _____. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____. Circulation The primary function of an expansion device is to _____. All of the above (produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator and lower the boiling point of the refrigerant far enoug...

BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS Two basic categories of chillers are the compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, and ventilation circulation The primary function of an expansion device is to 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 g...

BOMA: Motor Controls Questions and Answers Rated A+ A 3600 RPM motor has: two poles If you throttled the discharge side of a centrifugal pump into closed the amps would: go up The common method of correcting power factor is: add a capacitor To convert AC to DC you would need: rectifier *To convert DC to AC we would need: converter or inverter The actual full load amps of a motor are found? nameplate of the motor Three factors which must be considered when selecting

Kin 101 Ch 5 Questions and Answers 100% Pass An important criterion for continuation in a job is the level of personal fulfillment and satisfaction True It is illegal for physical educators to teach classes in the public schools outside their major field False Career opportunities in the exercise and sport science are limited False Because athletic programs at large universities have become businesses, coaches increasingly have earned master's degrees in sport management. Fals...