Vehicle Access Control Systems Quiz

1. The following are types of gates except:

Barrier swing arm

Swing

Time & attendance

Slide

"Time & attendance" is not a type of gate. The other options—barrier swing arm, swing, and slide—are all types of gates used in various access control systems. Barrier swing arm gates are often used in parking and traffic control applications, swing gates operate by swinging open and closed, and slide gates move horizontally to allow or restrict access. Time & attendance, however, refers to systems used to track employee work hours and is not related to physical gates or access control hardware.

Explanation

"Time & attendance" is not a type of gate. The other options—barrier swing arm, swing, and slide—are all types of gates used in various access control systems. Barrier swing arm gates are often used in parking and traffic control applications, swing gates operate by swinging open and closed, and slide gates move horizontally to allow or restrict access. Time & attendance, however, refers to systems used to track employee work hours and is not related to physical gates or access control hardware.

2. Access control is a matter of ________, ________ and ________.

Who, what, when

Who, why, where

What, when, where

Who, where, when

Access control is a matter of who, where, and when. This means determining who is allowed access (the person or entity), where they are allowed access (the specific location or resource), and when they are allowed access (the time frame or schedule). Effective access control systems manage these three factors to ensure that only authorized individuals can enter certain areas or access specific resources at appropriate times. This approach helps maintain security and compliance in various environments, including buildings, parking areas, and digital systems.

Explanation

Access control is a matter of who, where, and when. This means determining who is allowed access (the person or entity), where they are allowed access (the specific location or resource), and when they are allowed access (the time frame or schedule). Effective access control systems manage these three factors to ensure that only authorized individuals can enter certain areas or access specific resources at appropriate times. This approach helps maintain security and compliance in various environments, including buildings, parking areas, and digital systems.

3. One-way traffic spikes can be programmed to automatically retract.

True

False

True. One-way traffic spikes can indeed be programmed to automatically retract. These spikes are typically installed at the entrances and exits of parking areas to control the direction of traffic flow and prevent unauthorized entry. When a vehicle approaches from the correct direction, the spikes retract, allowing safe passage. If a vehicle attempts to drive over the spikes from the wrong direction, the spikes remain upright to puncture the tires. This automated retraction system enhances security and ensures proper traffic management in controlled areas.

Explanation

True. One-way traffic spikes can indeed be programmed to automatically retract. These spikes are typically installed at the entrances and exits of parking areas to control the direction of traffic flow and prevent unauthorized entry. When a vehicle approaches from the correct direction, the spikes retract, allowing safe passage. If a vehicle attempts to drive over the spikes from the wrong direction, the spikes remain upright to puncture the tires. This automated retraction system enhances security and ensures proper traffic management in controlled areas.

4. Typical parking revenue control systems include ________.

Parking gates, ticket dispensers, proximity or RFID readers, pay-on-foot stations and exit lane payment stations

Gates, loops, readers, ticket dispensers, locks and Internet connection

Barrier arms, ticket spitters and credit card machines

Guard booth, gates, barrier arms, turnstiles and cash dispensers

Typical parking revenue control systems include parking gates, ticket dispensers, proximity or RFID readers, pay-on-foot stations, and exit lane payment stations. These components work together to manage vehicle access, track parking duration, and collect payment efficiently. Ticket dispensers issue entry tickets, RFID readers facilitate access for authorized vehicles, pay-on-foot stations allow drivers to pay for parking before returning to their cars, and exit lane payment stations handle payments as vehicles leave. This comprehensive setup helps streamline parking operations, enhance security, and ensure accurate revenue collection.

Explanation

Typical parking revenue control systems include parking gates, ticket dispensers, proximity or RFID readers, pay-on-foot stations, and exit lane payment stations. These components work together to manage vehicle access, track parking duration, and collect payment efficiently. Ticket dispensers issue entry tickets, RFID readers facilitate access for authorized vehicles, pay-on-foot stations allow drivers to pay for parking before returning to their cars, and exit lane payment stations handle payments as vehicles leave. This comprehensive setup helps streamline parking operations, enhance security, and ensure accurate revenue collection.

5. It is acceptable to have up to two splices in a loop detection circuit.

True

False

False. It is generally not acceptable to have any splices in a loop detection circuit. Splices can introduce points of failure, increase electrical resistance, and lead to signal degradation, which can compromise the reliability and accuracy of the loop detector. For optimal performance, loop detection circuits should be installed with continuous wire runs without splices. This ensures a stable and consistent signal, which is critical for accurately detecting the presence of vehicles and ensuring the effective operation of access control systems. Proper installation and maintenance are key to preventing issues with loop detectors.

Explanation

False. It is generally not acceptable to have any splices in a loop detection circuit. Splices can introduce points of failure, increase electrical resistance, and lead to signal degradation, which can compromise the reliability and accuracy of the loop detector. For optimal performance, loop detection circuits should be installed with continuous wire runs without splices. This ensures a stable and consistent signal, which is critical for accurately detecting the presence of vehicles and ensuring the effective operation of access control systems. Proper installation and maintenance are key to preventing issues with loop detectors.

6. Parking control is usually integrated with all of the following equipment except:

Telephone entry

Video

Biometric

RFID

Parking control systems are typically integrated with various equipment to enhance security and convenience, including video surveillance for monitoring, biometric systems for secure access, and RFID technology for automated entry and exit. However, telephone entry systems are not commonly integrated with parking control systems. Telephone entry systems are more often used in building access control to allow visitors to communicate with and request access from residents or staff, rather than in parking control systems. Therefore, telephone entry is the correct answer as it is not usually part of a parking control system.

Explanation

Parking control systems are typically integrated with various equipment to enhance security and convenience, including video surveillance for monitoring, biometric systems for secure access, and RFID technology for automated entry and exit. However, telephone entry systems are not commonly integrated with parking control systems. Telephone entry systems are more often used in building access control to allow visitors to communicate with and request access from residents or staff, rather than in parking control systems. Therefore, telephone entry is the correct answer as it is not usually part of a parking control system.

7. A safety strip is required on the edge of a ________ to prevent entrapment.

Barrier arm

Turnstile

Slide gate

Magnetic lock

A safety strip is required on the edge of a slide gate to prevent entrapment. This safety feature is designed to detect obstructions and stop or reverse the movement of the gate if something is detected in its path. The safety strip helps prevent accidents and injuries by ensuring that the gate does not close on a person, vehicle, or object. Slide gates move horizontally, and the safety strip along the leading edge is a critical component for maintaining safe operation and compliance with safety standards.

Explanation

A safety strip is required on the edge of a slide gate to prevent entrapment. This safety feature is designed to detect obstructions and stop or reverse the movement of the gate if something is detected in its path. The safety strip helps prevent accidents and injuries by ensuring that the gate does not close on a person, vehicle, or object. Slide gates move horizontally, and the safety strip along the leading edge is a critical component for maintaining safe operation and compliance with safety standards.

8. A ________ fitting is used in gate systems to feed lubricants, usually lubricating grease, into the bearing under moderate to high pressure using a grease gun.

Quark

Zirk

Torx

Quartz

A Zirk fitting, also known as a grease fitting or Zerk fitting, is used in gate systems to feed lubricants, typically lubricating grease, into the bearing under moderate to high pressure using a grease gun. This fitting allows for easy and efficient lubrication, ensuring that moving parts remain well-lubricated and function smoothly. Proper lubrication is essential for maintaining the longevity and performance of gate systems, as it helps reduce friction and wear on bearings and other moving components. The Zirk fitting provides a convenient access point for regular maintenance.

Explanation

A Zirk fitting, also known as a grease fitting or Zerk fitting, is used in gate systems to feed lubricants, typically lubricating grease, into the bearing under moderate to high pressure using a grease gun. This fitting allows for easy and efficient lubrication, ensuring that moving parts remain well-lubricated and function smoothly. Proper lubrication is essential for maintaining the longevity and performance of gate systems, as it helps reduce friction and wear on bearings and other moving components. The Zirk fitting provides a convenient access point for regular maintenance.

9. The standard for vehicle gate operators is ________.

UL 620

UL 325

NRTL 652

FM 3040

The standard for vehicle gate operators is UL 325. This safety standard is established by Underwriters Laboratories (UL) to ensure the safe design and installation of gate operators, which include automatic gates used in residential, commercial, and industrial settings. UL 325 covers various safety requirements, such as entrapment protection, performance testing, and electrical safety, to prevent accidents and injuries associated with automated gate systems. Compliance with UL 325 helps manufacturers produce gate operators that meet stringent safety guidelines, ensuring reliable and secure operation for users.

Explanation

The standard for vehicle gate operators is UL 325. This safety standard is established by Underwriters Laboratories (UL) to ensure the safe design and installation of gate operators, which include automatic gates used in residential, commercial, and industrial settings. UL 325 covers various safety requirements, such as entrapment protection, performance testing, and electrical safety, to prevent accidents and injuries associated with automated gate systems. Compliance with UL 325 helps manufacturers produce gate operators that meet stringent safety guidelines, ensuring reliable and secure operation for users.

10. Loops can be saw-cut into concrete or asphalt but cannot be imbedded into poured concrete.

True

False

False. Loops can indeed be embedded into poured concrete, as well as saw-cut into existing concrete or asphalt surfaces. When embedding loops into poured concrete, the loop wire is typically placed in conduit or held in place with spacers before the concrete is poured, ensuring that the loop is properly positioned and protected. This method provides a durable and reliable installation, as the concrete helps protect the loop wire from damage. Saw-cutting loops into existing surfaces is also a common practice, where a groove is cut into the pavement, the wire is placed inside, and the groove is sealed. Both methods are widely used and effective for installing loop detectors.

Explanation

False. Loops can indeed be embedded into poured concrete, as well as saw-cut into existing concrete or asphalt surfaces. When embedding loops into poured concrete, the loop wire is typically placed in conduit or held in place with spacers before the concrete is poured, ensuring that the loop is properly positioned and protected. This method provides a durable and reliable installation, as the concrete helps protect the loop wire from damage. Saw-cutting loops into existing surfaces is also a common practice, where a groove is cut into the pavement, the wire is placed inside, and the groove is sealed. Both methods are widely used and effective for installing loop detectors.

11. The short leg of any loop used for vehicle detection should never be less than ________.

18 in.

1 ft.

24 in.

36 ft.

The short leg of any loop used for vehicle detection should never be less than 24 inches (2 feet). This minimum length ensures that the loop detector can effectively sense the presence of vehicles and maintain a stable electromagnetic field. If the short leg is too short, it may not provide adequate coverage for detecting vehicles, leading to unreliable or inaccurate detection. Ensuring the short leg is at least 24 inches helps maintain the efficiency and functionality of the loop detection system, ensuring accurate and reliable vehicle detection.

Explanation

The short leg of any loop used for vehicle detection should never be less than 24 inches (2 feet). This minimum length ensures that the loop detector can effectively sense the presence of vehicles and maintain a stable electromagnetic field. If the short leg is too short, it may not provide adequate coverage for detecting vehicles, leading to unreliable or inaccurate detection. Ensuring the short leg is at least 24 inches helps maintain the efficiency and functionality of the loop detection system, ensuring accurate and reliable vehicle detection.

12. The purpose of an exterior loop detector is to ________.

Detect a car to open the gate

Allow for traffic control restricting access

Prevent the gate from closing on a vehicle

All of the above

An exterior loop detector serves multiple purposes in vehicle access control systems. It detects the presence of a car to automatically open a gate (a), allows for traffic control by restricting access when necessary (b), and prevents the gate from closing on a vehicle to ensure safety (c). Loop detectors work by using an electromagnetic field to sense the metal of a vehicle passing over or stopping on the loop. This versatility makes them essential components in managing vehicle access and ensuring smooth, secure, and safe operations at entry and exit points.

Explanation

An exterior loop detector serves multiple purposes in vehicle access control systems. It detects the presence of a car to automatically open a gate (a), allows for traffic control by restricting access when necessary (b), and prevents the gate from closing on a vehicle to ensure safety (c). Loop detectors work by using an electromagnetic field to sense the metal of a vehicle passing over or stopping on the loop. This versatility makes them essential components in managing vehicle access and ensuring smooth, secure, and safe operations at entry and exit points.

13. The proper depth for burying a loop wire in the pavement is between _______ and ________.

6 in. / 12 in.

1½ in. / 2 in.

1 in. / 6 in.

3 in. / 24 in.

The proper depth for burying a loop wire in the pavement is between 1½ inches and 2 inches. This specific depth range ensures that the loop wire is adequately protected from surface wear and damage while still being close enough to the surface to effectively detect the presence of vehicles. Installing the wire within this range allows the electromagnetic field generated by the loop detector to function correctly, accurately sensing vehicles passing over or stopping on the loop. Proper installation at this depth is crucial for maintaining the reliability and effectiveness of vehicle detection systems.

Explanation

The proper depth for burying a loop wire in the pavement is between 1½ inches and 2 inches. This specific depth range ensures that the loop wire is adequately protected from surface wear and damage while still being close enough to the surface to effectively detect the presence of vehicles. Installing the wire within this range allows the electromagnetic field generated by the loop detector to function correctly, accurately sensing vehicles passing over or stopping on the loop. Proper installation at this depth is crucial for maintaining the reliability and effectiveness of vehicle detection systems.

14. Gates are generally slow-moving. To prevent tailgating one option is to provide ________.

A guard to watch traffic

A barrier arm that drops after each vehicle

A faster gate operator

Spikes

To prevent tailgating, one effective option is to provide a barrier arm that drops after each vehicle. Barrier arms, also known as gate arms, quickly lower after a vehicle passes through, preventing another vehicle from closely following and entering without authorization. This method helps enhance security by ensuring that only one vehicle can pass through at a time. While guards and spikes can also be used for security, barrier arms offer a reliable and automated solution that specifically addresses the issue of tailgating in a controlled and efficient manner.

Explanation

To prevent tailgating, one effective option is to provide a barrier arm that drops after each vehicle. Barrier arms, also known as gate arms, quickly lower after a vehicle passes through, preventing another vehicle from closely following and entering without authorization. This method helps enhance security by ensuring that only one vehicle can pass through at a time. While guards and spikes can also be used for security, barrier arms offer a reliable and automated solution that specifically addresses the issue of tailgating in a controlled and efficient manner.

15. A general rule of thumb is that the height of detection is ________ the length of the short leg of the loop.

½ to 2⁄3

1 to 2 times

3 to 4 times

2 times

A general rule of thumb for the height of detection of a loop detector is ½ to 2/3 the length of the short leg of the loop. This means if the short leg of the loop is 3 feet long, the detection height would be approximately 1.5 to 2 feet. This guideline ensures the loop detector effectively senses the presence of vehicles within its range, providing accurate and reliable detection for access control systems. Proper installation according to this rule helps maintain the efficiency and functionality of the loop detection system.

Explanation

A general rule of thumb for the height of detection of a loop detector is ½ to 2/3 the length of the short leg of the loop. This means if the short leg of the loop is 3 feet long, the detection height would be approximately 1.5 to 2 feet. This guideline ensures the loop detector effectively senses the presence of vehicles within its range, providing accurate and reliable detection for access control systems. Proper installation according to this rule helps maintain the efficiency and functionality of the loop detection system.