The Ideal Quiz On Building Utilities 2

The given options "La la la," "Music," and "Boses mo" can be considered as pleasant sounds or music, while "Noise" stands out as the unwanted sound in this context. Therefore, "Noise" is the correct answer as it is the only option that represents an unwanted sound.

Popeye is the correct answer because it is the only name in the given list that is associated with a well-known cartoon character. Olive, Bruno, and Pooh are not typically associated with any specific character or reference.

A dumbwaiter is a small elevator used for transporting food, dishes, or other materials between the floors of a building. It is specifically designed for this purpose and is typically smaller in size compared to regular elevators. The term "dumbwaiter" is commonly used to refer to this type of elevator.

A junction box is an enclosure used to house and protect electric wires or cables that are connected or branched together in electric circuits. It provides a safe and organized space for the electrical connections, preventing accidental contact and damage. The junction box also allows for easy access to the connections for maintenance or troubleshooting purposes.

The correct answer is "lift" because lift is a British term for an elevator. In British English, lift is commonly used to refer to the device that transports people or goods between different floors in a building. The other options, such as freight, bank, and flying car, are not synonymous with elevator and do not fit the given description.

Underfloor raceway is a type of raceway that is designed to be installed beneath the floor, commonly used in office buildings. It allows for the convenient placement of power, signal, and telephone outlets, providing flexibility in the arrangement of these connections. This raceway is specifically designed to be hidden under the floor, providing a neat and organized solution for routing cables and wires in a building. It is an ideal choice for maintaining a clean and clutter-free appearance while still allowing for easy access to electrical and communication outlets.

Frequency refers to the number of cycles or oscillations that occur in a unit of time. It is typically measured in hertz, which represents the number of cycles per second. In other words, frequency tells us how many times a wave or oscillation repeats itself in a given time period. Therefore, the correct answer is Frequency.

An automatic transfer switch (ATS) is a device that acts as a double throw switch, typically with a 3-pole connection. It is designed to automatically transfer the power supply from a standby generator to the building circuitry in the event of an electrical power failure. This ensures uninterrupted power supply to the building, preventing any disruption or downtime. The ATS is an essential component in backup power systems, as it allows for a seamless transition between the utility power and the generator power, providing a reliable and efficient solution during power outages.

During an elevator emergency, the outside door latch is used to open the doors from the outside in order to rescue passengers. This latch is typically located on the landing and allows emergency personnel to manually release the doors and gain access to the elevator car. By using the outside door latch, individuals can safely and efficiently rescue passengers who may be trapped inside the elevator during an emergency situation.

An alternator is a machine that converts mechanical energy into electrical energy, specifically generating alternating current. It is commonly used in vehicles to charge the battery and power the electrical systems. Unlike a converter or inverter, which are used to change the form of electrical energy, an alternator specifically generates alternating current. Therefore, the correct answer is alternator.

A dead air space refers to an unventilated area where the air does not circulate. This term is commonly used in relation to insulation or building design, where an unventilated space can lead to poor air quality and temperature regulation. The term "dead" implies that the air in this space is stagnant and does not move, which can have negative effects on the overall environment. The other options, loose space, airway, and void, do not accurately describe the specific characteristic of the air in an unventilated space.

A floodlight is a lamp that is designed to project or diffuse a comparatively uniform level of illumination over a large area. Unlike a spotlight or tracklight, which focus the light on a specific spot or track, a floodlight spreads the light out over a wider area. Therefore, a floodlight is the correct answer for a lamp that provides uniform illumination over a large area.

A return grille is a type of grille that is used to withdraw return air from an air conditioned space. It is designed to allow air to flow back into the HVAC system for recirculation and conditioning. It is commonly used in residential and commercial buildings to maintain proper air circulation and balance in the space.

White noise is a type of sound that contains all frequencies at equal intensity. It is often used to mask or drown out unwanted sounds. Unlike other types of noise, white noise is unvarying and unobstructive, meaning it remains constant and doesn't change in intensity or frequency. Therefore, white noise is the correct answer in this context.

A moving sidewalk is a power driven, continuously moving surface that is used for carrying pedestrians horizontally or along low inclines. It is similar to a conveyor belt and provides a convenient way for people to move without having to walk. Elevators are vertical transportation devices, not horizontal. Escalators are inclined moving staircases, not flat surfaces. People mover is a general term that can refer to various modes of transportation, but in this context, the best fit is a moving sidewalk.

Tungsten is used as the filament in an incandescent bulb because it has a high melting point and is able to withstand the high temperatures generated by the bulb. Tungsten also has a low rate of evaporation, which helps to prolong the lifespan of the bulb. Additionally, tungsten has a high electrical resistance, allowing it to efficiently convert electrical energy into light energy.

Latent heat refers to the amount of heat absorbed or evolved when a substance undergoes a change in state without a change in temperature. This means that during processes like melting, boiling, or condensation, the substance either absorbs or releases energy, resulting in a change of state. The term "latent" refers to the hidden or concealed nature of this heat exchange, as it does not directly affect the temperature of the substance. Therefore, latent heat is the most appropriate term to describe this phenomenon.

A newel is a post that is typically found at the upper or lower end of an escalator. It serves as a support for the handrail and provides stability and safety for passengers using the escalator. The newel is usually larger and more prominent compared to other posts along the escalator, making it easily recognizable.

A PABX (Private Automatic Branch Exchange) is a private telephone system that allows for interconnection with public telephone systems. It is used within an organization to manage incoming and outgoing calls, as well as internal communication. PABX systems provide features such as call routing, call transferring, voicemail, and conference calling. They are commonly used in businesses to efficiently handle a large volume of calls and facilitate seamless communication both within and outside the organization.

When a sound wave travels through different densities, such as from air to water or vice versa, its path is bent or changed in direction. This phenomenon is known as refraction. Refraction occurs because the speed of sound changes as it travels through different mediums, causing the wave to bend towards or away from the normal line. This change in direction is responsible for various auditory experiences, such as the bending of sound around obstacles or the focusing of sound waves in certain areas.

The fascia plate is the correct answer because it serves as a safety feature that prevents passengers from falling into the hoistway when they try to exit the elevator car. It acts as a barrier between the car and the hoistway, ensuring that passengers cannot accidentally step into the open shaft when the elevator is stopped between floors.

A fan coil unit is a mechanical equipment that is commonly used in conjunction with a central air-conditioning system to dehumidify and cool the air stream injected into a conditioned space. It consists of a fan, a coil, and a filter. The fan draws the air from the space and passes it over the coil, which cools and dehumidifies the air. The filtered and conditioned air is then supplied back into the space. The fan coil unit is an essential component in maintaining the desired temperature and humidity levels in a conditioned space.

A limit switch is a type of switch that is designed to automatically cut off the current to an electric motor when a specific condition is met. In this case, the limit switch is used to cut off the current when an object, such as an elevator car, has passed a certain point. This helps to ensure the safety and proper functioning of the motor and the object being moved. A limit switch is commonly used in various applications where precise control of movement is required.

The correct answer is 9 because in the given plan, there are nine outlets visible.

The correct answer is "Safety Shoe." Safety shoes are used in elevators to detect obstacles during the door closing. If there is something in the way, the safety shoe will trigger the elevator to reopen the door. This helps prevent accidents and ensures the safety of passengers. Photocells can also be used in conjunction with safety shoes for added detection capabilities.

A metal halide lamp is a type of high intensity discharge lamp that produces light through the radiation from a mixture of metallic vapor. This type of lamp is similar in construction to a mercury lamp, as both use a metallic vapor to generate light. Metal halide lamps are known for their high efficiency and color rendering capabilities, making them commonly used in areas where high-quality lighting is required, such as sports stadiums, parking lots, and large indoor spaces.

A radiator is a heating device that consists of a series or coil of pipes through which hot water or steam passes. It is commonly used to heat a room or a building by transferring heat from the hot water or steam to the surrounding air. Radiators are often found in central heating systems, where they help distribute heat throughout the space. They are efficient in providing warmth and are a popular choice for home heating.

The given question asks to identify the number of SPECIAL Conv. Outlet (Individual Outlet) in the plan. The answer is 2, which means there are two SPECIAL Conv. Outlets in the plan.

A cable is a combination of insulated conductors that are bound or sheathed together, providing insulation and protection to the conductors. Unlike a single wire or conductor, a cable can contain multiple conductors insulated from each other. Therefore, a cable is the correct answer as it encompasses both single insulated conductors and bound or sheathed combinations of conductors.

A raceway is a channel specifically designed to hold and protect electric wires and cables. It provides a safe and organized pathway for the wires, preventing them from being exposed or damaged. Unlike cable trays, assemblies, and busways, a raceway is specifically designed for this purpose and is commonly used in electrical installations to ensure the proper routing and protection of wires and cables.

A torchiere is a floor lamp that has its light source within a reflecting bowl that directs the light upward. This design allows for the light to be emitted in an upward direction, creating a soft and indirect illumination in the room. The reflecting bowl helps to enhance the light output and distribute it evenly in the space. The other options - gooseneck lamp, chandelier, and sconce - do not have this specific feature of a reflecting bowl directing the light upward, making torchiere the correct answer.

The correct answer is plug fuse. A plug fuse is a type of fuse that is housed in a porcelain cup fitted with a threaded metal base. This design allows the fuse to be easily inserted and removed from a fuse holder. The threaded metal base ensures a secure and reliable connection.

Auditory fatigue refers to the physical or mental weariness that occurs as a result of prolonged exposure to loud noises. This can lead to a temporary decrease in sensitivity to sound, making it difficult to hear or process auditory information. It is a common experience for individuals who are exposed to loud environments for extended periods of time, such as musicians, factory workers, or individuals attending loud concerts. Auditory fatigue can also contribute to other auditory issues, such as tinnitus or hearing loss.

This answer is correct because capacitance is a property of a system that measures the ability to store an electrical charge. In the context of a perimeter detector, a change in capacitance can indicate an intrusion or movement in the area being monitored. By detecting this change, the detector can trigger an alarm or alert to notify of potential intrusion. The other options, such as limits, transmitter, and transit, are not directly related to the detection of changes in capacitance.

A condenser is a device that is used to reduce a vapor or gas to liquid form. It works by cooling the vapor or gas, causing it to lose heat and convert into a liquid or solid state. This process is commonly used in refrigeration systems, where the condenser plays a crucial role in removing heat from the refrigerant, allowing it to condense and release heat to the surrounding environment.

A lantern is a light that is typically placed at the entrance of an elevator on each floor of a multistory building. It serves the purpose of signaling the approach of the elevator, allowing people waiting on that floor to be aware of its arrival. The other options, annuciator, signal, and button, do not specifically refer to a light used for this purpose.

A chiller is a device that uses the compressive refrigeration cycle to cool water, which is then used to cool a building. It is commonly used in large commercial or industrial buildings to provide air conditioning. The chiller works by compressing and expanding a refrigerant gas to absorb heat from the water, lowering its temperature. This chilled water is then circulated through the building to cool the air.

The correct answer is B Bulb. The question asks to identify the type of bulb, and the answer is B Bulb.

A bushing is a type of insulating and protective lining that is used to cover one or more conductors passing through a hole. It is commonly used in electrical and mechanical applications to prevent damage to the conductors and provide insulation. The other options, such as grommet and duct, may also provide some level of protection but they are not specifically designed for this purpose. Therefore, bushing is the most suitable answer.