Oklahoma Electronic Access Control Practice Test

Ladders should be used for their designated purpose and within the manufacturer’s rated capacity to ensure safety. Using a ladder for a different purpose or exceeding its weight limit can lead to accidents and injuries. The manufacturer's rated capacity indicates the maximum weight the ladder can safely support, so it is important to adhere to this guideline to prevent overloading the ladder.

DC stands for Direct Current. Direct current is the flow of electric charge in one direction, without any change in polarity. It is the opposite of alternating current (AC), which periodically reverses direction. DC is commonly used in batteries, electronic devices, and power transmission systems that require a steady and constant flow of electric current.

The correct answer is "On all sides of all vehicles where the company name is displayed." This means that the license number must be visible on every side of the vehicle where the company name is also displayed. This ensures that the license number is easily visible and identifiable by anyone who may need to see it, such as customers or law enforcement officials. It helps to establish the legitimacy and credibility of the company and its employees when engaged in alarm and locksmith work.

Metal is the building material that most interferes with wireless communications. Metal has a high conductivity, which can block or reflect wireless signals, causing interference. This interference can result in poor signal strength, dropped calls, and slow internet speeds. Metal objects such as steel beams, metal roofs, or even metal furniture can disrupt wireless signals and reduce their range and reliability. Therefore, metal is the material that poses the greatest challenge for wireless communications.

Power tools used in the workplace must have properly fitting guards and appropriate safety switches to ensure the safety of the workers. Properly fitting guards help to prevent accidental contact with moving parts of the tool, reducing the risk of injury. Safety switches are important as they can quickly shut off the power in case of an emergency or if the tool is being used improperly. These safety features are essential in preventing accidents and promoting a safe working environment.

The 12 AWG wire carries the most current because the American Wire Gauge (AWG) system assigns a higher gauge number to thinner wires. Therefore, the 12 AWG wire is thicker than the 18, 22, and 24 AWG wires, allowing it to have a lower resistance and handle a greater amount of current.

A worker should maintain three points of contact with a ladder at all times for safety reasons. This means that they should have both hands and one foot, or both feet and one hand, in contact with the ladder to ensure stability and prevent falls. Having three points of contact helps distribute the worker's weight evenly and reduces the risk of slipping or losing balance while climbing or working on the ladder.

The clue that indicates an electrical hazard is warm tools or cords. When tools or cords become warm while in use, it suggests that there may be an excessive flow of electricity or a malfunction in the electrical system, which can potentially lead to a hazardous situation such as a fire or electric shock.

The technician should locate a 3-pronged outlet because removing the outlet and plug and hardwiring the tool may not be feasible or safe. Using a 3-prong to 2-prong adapter may also not be ideal as it would eliminate the grounding function of the tool. Removing the ground prong from the power cord of the tool would compromise the safety of the tool, as the grounding prong is designed to protect against electrical shocks. Therefore, the best solution is to find a 3-pronged outlet to ensure proper and safe operation of the power tool.

The technician's sudden weakness on the right side of her body and difficulty speaking and understanding simple statements are indicative of a stroke. A stroke occurs when the blood supply to the brain is disrupted, leading to the death of brain cells. These symptoms are commonly associated with a stroke, as it affects the functioning of the brain. Dehydration, high blood sugar, and low blood sugar may cause various symptoms, but they are not typically associated with weakness on one side of the body and speech difficulties.

In residential construction, workers must be protected by a harness if they can fall more than 6 feet. This is because falls from heights can result in serious injuries or even fatalities, and it is important to ensure the safety of workers. By using a harness, workers are secured and protected in case they accidentally fall from a height greater than 6 feet. This safety measure helps to prevent accidents and promote a safe working environment.

The internet is the correct answer because it refers to a global system of interconnected computer networks. It is a network of networks that allows communication and information sharing between devices and users worldwide. The other options, such as cellular network, two-way radio mesh network, and the public-switched telephone network, are specific types of networks that may be part of the internet infrastructure but do not encompass the entire global system.

Insulated conductors and cables must be listed for use in wet locations according to NFPA 70. This means that the cables and conductors used underground must have a specific listing or certification indicating that they are suitable for use in wet environments. This is important because underground cables and conductors are often exposed to moisture, which can potentially cause electrical hazards if the insulation is not designed to withstand wet conditions.

To create a safe handhold to reach another level, the ladder should be extended three feet above the landing point. This ensures that there is enough space for a person to grip the ladder securely while climbing up or down. Extending the ladder by three feet provides a sufficient margin for the person's hands to hold onto the ladder rungs comfortably, reducing the risk of accidents or falls.

A licensed technician or salesperson is required to work under the supervision of a licensed manager. This ensures that there is proper oversight and guidance from someone who has the necessary qualifications and experience to ensure the work is being carried out correctly and in compliance with regulations. The licensed manager is responsible for providing direction, support, and ensuring that all work is performed safely and efficiently.

Personal protective equipment should be used when hazards cannot be eliminated through engineering controls or workplace controls. This means that if it is not possible to eliminate the hazards by modifying the workplace or the work processes, then personal protective equipment becomes necessary to protect employees from those hazards. This could be due to various reasons such as the high cost of implementing engineering controls, the absence of written policies and procedures to guide work practices, or the lack of time to train employees on safer work practices. In such situations, personal protective equipment acts as a last line of defense to ensure the safety of employees.

When using a portable ladder to access an upper landing surface, the side rails of the ladder must extend at least three feet above the landing's surface. This is important for providing stability and support while climbing up or down the ladder, ensuring that the user can safely transition between the ladder and the landing surface. Having the side rails extend three feet above the landing's surface also helps to prevent any accidental falls or slips while using the ladder.

When providing first aid to a victim of heat stroke, the first thing that should be done is to take steps to lower the person's body temperature. Heat stroke is a serious condition that occurs when the body's temperature regulation system fails, and immediate cooling is crucial to prevent further damage. This can be done by moving the person to a cooler environment, removing excess clothing, applying cool water or ice packs to the body, and fanning the person to promote evaporation and cooling. Lowering the body temperature is the priority in treating heat stroke to prevent complications and potentially save the person's life.

Eating a high sugar food, such as hard candy or fruit juice, is the recommended emergency treatment for a person experiencing low blood sugar. This is because high sugar foods can quickly raise the blood sugar levels, providing immediate relief for the individual. Hard candy or fruit juice are easily accessible and can be consumed quickly in an emergency situation.

Discharging static electricity is important in preventing damage to electronic circuit boards because static electricity can build up on surfaces and components, and when discharged, it can cause a sudden surge of electrical energy that can damage or destroy sensitive electronic components. By discharging static electricity, the technician can ensure that there is no excess electrical charge that could potentially harm the circuit board.

Falls are the leading cause of occupational fatalities and injuries. This is because workers often have to work at heights or on unstable surfaces, increasing the risk of falling. Falls can result in severe injuries or even death, making it a major concern in occupational safety. Employers need to implement proper safety measures, such as providing fall protection equipment and training, to prevent these accidents and protect their workers.

Piggybacking refers to the act of multiple persons entering a restricted area using a single access-granted transaction. It occurs when one person gains access legitimately, and another person enters alongside them without proper authorization or authentication. This can be a security risk as it allows unauthorized individuals to gain entry without being detected.

Direct current (DC) is characterized by having a constant polarity, meaning that the flow of electric charge remains in one direction. Unlike alternating current (AC), which periodically changes direction, DC maintains a steady flow of electrons in a single direction. This property of DC makes it suitable for various applications such as batteries, electronic devices, and certain types of motors that require a consistent flow of electricity in one direction.

Cables that are not plenum rated can still be used in a plenum if they are installed in a plenum rated raceway. The plenum rated raceway provides an extra layer of protection and ensures that the cables meet the necessary safety requirements for use in plenum spaces. This allows for the safe installation of non-plenum rated cables in plenum areas without compromising the overall fire safety of the building.

The foot of the ladder should be located at ¼ the working length of the ladder. This is because positioning the foot of the ladder at this distance ensures stability and prevents the ladder from tipping over. Placing it closer to the wall may result in the ladder being too steep, while placing it further away may make the ladder unstable. Therefore, positioning it at ¼ the working length of the ladder provides the optimal balance for safety and stability.

A blown fuse in a power supply usually indicates that too much current is being drawn. When the current exceeds the rated value of the fuse, it causes the fuse to blow, interrupting the circuit and protecting the components from damage. This can happen due to various reasons such as a short circuit, a malfunctioning component, or an overload in the circuit. By blowing the fuse, it prevents further damage and ensures the safety of the power supply and connected devices.

When a licensee moves or changes employers, they are required to notify the Oklahoma Department of Labor within 14 days. This notification is important for the department to keep accurate records and ensure compliance with regulations. Failing to notify within the specified timeframe may result in penalties or legal consequences.

Alternating current is a type of electric current that constantly changes its direction. It flows first in one direction and then reverses, continuously oscillating back and forth. This change in direction is known as polarity reversal. In the case of the given answer, it states that alternating current changes its polarity 60 times per second. This is commonly referred to as the frequency of the AC current, which in many countries is standardized at 60 hertz. Therefore, the answer correctly explains one of the characteristics of alternating current.

According to NFPA 70, the number and size of conductors used in a raceway is determined by the raceway size. The size of the raceway is an important factor in determining the capacity and suitability for accommodating the conductors. The larger the raceway size, the more conductors it can accommodate. This ensures that the raceway is properly sized to safely contain and protect the conductors, preventing any issues such as overheating or damage to the insulation.

The first action to take when a coworker sustains a high voltage shock and is unconscious is to shut off power to the structure. This is important to prevent further harm or injury to the coworker and to ensure the safety of anyone else in the vicinity. By cutting off the power source, the risk of additional electrical shocks or accidents can be minimized. Once the power is shut off, further actions such as calling emergency services, contacting a supervisor, and checking the coworker's breathing can be taken.

According to the given information, a licensed technician can supervise three trainees per job site.

Electrical protective devices such as fuses and circuit breakers are designed to protect electrical circuits from overloads and short circuits. Ground-fault circuit interrupters (GFCIs) are also a type of electrical protective device that specifically protect against ground faults. A ground fault occurs when there is an unintentional electrical path between a power source and a grounded surface, such as a person or a wet floor. GFCIs monitor the flow of current and quickly shut off the power if they detect a ground fault, preventing electrical shocks and potential fires. Therefore, GFCIs are an important addition to the list of electrical protective devices.

GSM and CDMA are two different technologies used in cellular networks. GSM (Global System for Mobile Communications) is a widely used standard for mobile communication, while CDMA (Code Division Multiple Access) is another technology used in cellular networks. Both GSM and CDMA are used to provide voice and data services to mobile devices. Therefore, the correct answer is cellular networks.

The correct answer is $49. This is the application and license fee for a technician or salesperson.

The most common nonfatal injuries associated with electrical shock are burns. When a person comes into contact with an electrical current, the electricity can cause severe burns to the skin and underlying tissues. The burns can vary in severity, from minor first-degree burns to more serious second-degree or third-degree burns. The heat generated by the electrical current can cause significant damage to the skin, leading to pain, blistering, and potential scarring. Therefore, burns are the most common type of nonfatal injury resulting from electrical shocks.

Harassment refers to any physical assault, threatening behavior, or verbal abuse that occurs in an employment setting. It can include actions such as unwanted advances, offensive jokes, or derogatory comments that create a hostile work environment. Harassment is a form of workplace misconduct that can have serious psychological and emotional effects on the victim. It is important for organizations to have policies in place to prevent and address harassment in order to maintain a safe and respectful work environment.

The resistance in a circuit can be calculated using Ohm's Law, which states that resistance (R) is equal to voltage (V) divided by current (I). In this case, the voltage is given as 100V and the current is given as 10A. By dividing 100V by 10A, we get a resistance of 10 ohms.

The correct answer is "Unshielded twisted pair". In cabling, UTP refers to unshielded twisted pair, which is a type of cable commonly used for Ethernet networks. UTP cables consist of pairs of twisted wires, which help reduce interference and crosstalk. Unlike shielded cables, UTP cables do not have any additional shielding, making them less expensive and easier to install. UTP cables are widely used in residential and commercial applications for networking purposes.

NFPA 70 is commonly known as the National Electric Code. It is a set of standards and regulations that govern electrical installations and wiring in buildings. The code is developed and published by the National Fire Protection Association (NFPA) and is widely adopted and enforced across the United States. It provides guidelines for the safe design, installation, and maintenance of electrical systems, ensuring the protection of people and property from electrical hazards.

An invalid credential is the most likely cause when a magnetic lock does not release upon reading a credential. This means that the credential being used is not recognized or authorized by the system, preventing the lock from being released.

When the fire alarm is activated, it is crucial for a delayed egress lock to open immediately. This is because during a fire emergency, quick and easy access to exits is essential for the safety and evacuation of individuals. Delayed egress locks are designed to delay the opening of a door for a specific period of time to prevent unauthorized exits, but in the event of a fire, it is necessary for the lock to release immediately to ensure a swift escape.

Direct buried cables must be arranged in a way to prevent damage when the ground settles. This is important because settlement of the ground can cause the cables to be exposed or damaged, leading to potential electrical hazards or disruptions in the supply of electricity. By arranging the cables properly, such as using proper depth of burial and providing adequate support, the cables can be protected from the effects of ground settlement and ensure safe and reliable electrical distribution.

Conductors under a single terminal should be of the same gauge and composition. This ensures that the electrical current flows evenly through all the conductors, preventing any imbalances or overloading. Having different gauges or compositions could lead to unequal distribution of current and potentially cause damage to the electrical system. Therefore, it is important to use conductors that are consistent in size and material to maintain the integrity and safety of the electrical circuit.

Riser cable must be used when running cables between floors of a structure. Riser cables are specifically designed for vertical applications and have fire-resistant properties, making them suitable for installation in riser shafts or vertical cable runs. They are constructed with materials that limit the spread of fire and emit low smoke, making them safer in case of a fire. This ensures the protection of the cables and the safety of the building occupants.

Heat stroke is a severe condition that occurs when the body's temperature regulation system fails due to prolonged exposure to high temperatures. One of the symptoms of heat stroke is a rapid, weak pulse. This means that the heart rate is fast but the pulse feels weak and thready. The rapid pulse is a result of the body's attempt to cool itself down, while the weakness in the pulse is due to dehydration and decreased blood volume. This combination of symptoms indicates a serious medical emergency and immediate medical attention is required.

Continuity is used to test for conductivity in a circuit. Continuity refers to the uninterrupted flow of current in a circuit. By testing for continuity, we can determine if there is a complete path for the current to flow, indicating that the circuit is conductive. This is typically done using a multimeter or a continuity tester, which checks if there is a complete connection between two points in the circuit. If there is continuity, it means that the circuit is conductive and the current can flow freely.

The correct answer is NFPA 70 because it is one of the applicable codes and standards that dictate the control of egress. This means that the requirements for controlling the movement of people out of a building in case of an emergency, such as the placement and operation of exit doors and emergency lighting, should comply with the guidelines set forth in NFPA 70. The other options, such as the manufacturer's specifications, the security requirements of the building, and the occupancy and usage of the facility, may also play a role in determining the specific control measures, but NFPA 70 is the primary code to follow.

A technician is only allowed to perform work within the alarm industry area(s) for which he is licensed. This means that the technician must have the appropriate qualifications and licenses to work in a specific area of the alarm industry. They are not allowed to work in areas that they are not licensed for, even if they are supervised by a licensed technician.

To be covered by worker's compensation, the technician must report the injury to his employer within 30 days. This means that he has a month to inform his employer about the incident and seek compensation for his injury. Reporting the injury within this timeframe ensures that the technician can receive the necessary medical treatment and financial support as per the worker's compensation policy.

To find the maximum available output wattage of a power supply, you need to know the output voltage and output amperage. Wattage is calculated by multiplying the voltage and the amperage, so knowing both values is necessary to determine the maximum wattage that the power supply can provide. The other options listed, such as the total resistance of all EOLRs and voltage drop of the NAC circuit, input voltage and output voltage, and current draw of all components tied to the power supply, are not directly related to finding the maximum available output wattage.