Oklahoma Alarm licensing practice exam questions with answers, Exams of Electrical and Electronics Engineering

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Oklahoma State Licensing Closed Circuit Television Test questions with answers In reference to cabling, UTP means: - ANSWER: ✔✔Unshielded twisted pair According to NFPA 70, what determines the type of insulation used on conductors in an installation? - ANSWER: ✔✔Current of the circuit What feature helps improve picture quality when aiming cameras towards brightly lit areas? - ANSWER: ✔✔Backlight compensation The term CIF refers to: - ANSWER: ✔✔A common resolution A characteristic of direct current is that it: - ANSWER: ✔✔Has a constant polarity What crime is committed by a technician or salesperson who falsifies a customer's signature or adds content to a document that has already been signed? - ANSWER: ✔✔Fraud What does CCD stand for? - ANSWER: ✔✔Charged Coupled Device What are the most likely causes of accidents when working with hand tools? - ANSWER: ✔✔Improper maintenance and misuse of tools What is the correct setting on a meter for measuring VAC? - ANSWER: ✔✔V 10) GSM and CDMA are two types of: - ANSWER: ✔✔Cellular networks What is the total current of the circuit shown above? (Table not shown here) - ANSWER: ✔✔a. 0.125A b. 1.25A c. 1.58A d. 7.58A A power tool has a 3-pronged plug but the only available outlets are 2-pronged. What should the technician do? - ANSWER: ✔✔Locate a 3-pronged outlet A blown fuse in a power supply usually indicates: - ANSWER: ✔✔Too much current is being drawn Which device fixes a rolling picture caused by a ground loop? - ANSWER: ✔✔Isolation transformer A characteristic of alternating current is that it: - ANSWER: ✔✔Changes polarity 60 times per second What type of network address is needed to remotely view a NVR or DVR on a long term basis? - ANSWER: ✔✔Dynamic Host Configuration Protocol When balums are used with an analog camera, what type of cable is needed? - ANSWER: ✔✔RG59 What does WDR stand for? - ANSWER: ✔✔Wide Dynamic Range What is the total resistance of the circuit above? (Table not shown here) - ANSWER: ✔✔9.33 ohms What measurement is needed to determine focal length? - ANSWER: ✔✔Electronic iris lens size What type of analog coaxial cable connector requires pushing and twisting to firmly connect? - ANSWER: ✔✔BNC If a conflict exists between adopted references, the reference that applies shall be the one: - ANSWER: ✔✔With the more stringent standard A CCTV system layout shows a camera mounted 12' AFF. What does AFF mean? - ANSWER: ✔✔Above finished floor In residential construction, workers must be protected by a harness if they can fall more than how many feet? - ANSWER: ✔✔6 A technician in allowed to perform work within: - ANSWER: ✔✔The alarm industry area(s) for which he is licensed A general safety rule to follow when working with power tools is to: - ANSWER: ✔✔Disconnect tools from power when not in use or when changing accessories When working on a ladder, the worker should: - ANSWER: ✔✔Keep his weight centered between the side rails The rate of data transfer, bit rate or throughput that is measured in bits per second is: - ANSWER: ✔✔Bandwith How many points of contact with a ladder should a worker maintain at all times? - ANSWER: ✔✔Three When providing first aid to a victim of heat stroke, what should be done first? - ANSWER: ✔✔Take steps to lower the person's body temperature What property of a conductor limits current? - ANSWER: ✔✔Resistance The Oklahoma Alarm and Locksmith Industry Act applies to: - ANSWER: ✔✔Persons who sell, install and service alarm systems How much power is consumed by a 24VDC circuit drawing 2A? - ANSWER: ✔✔48W A technician is weak; having chills and cannot seem to get enough to drink. What is the likely cause of the technician's symptoms? - ANSWER: ✔✔High blood sugar DC stands for: - ANSWER: ✔✔Direct current What is the standard impedance for analog CCTV systems? - ANSWER: ✔✔ What are the most common nonfatal injuries associated with electrical shock? - ANSWER: ✔✔Burns Cables that are not plenum rated can be used in a plenum when they are: - ANSWER: ✔✔Installed in a plenum rated raceway A coworker sustained a high voltage shock during an installation and is unconscious. What is the first action to take? - ANSWER: ✔✔Shut off power to the structure What safety features must be on power tools used in the workplace? - ANSWER: ✔✔Properly fitting guards and appropriate safety switches According to NFPA 70, which statement regarding underground cable and conductors is true? - ANSWER: ✔✔Insulated conductors and cables must be listed for use in wet locations All monitoring and/or lease contracts shall include the initial term of the agreement, the renewal term of the agreement and the: - ANSWER: ✔✔Terms for notification or cancellation When using a multimeter to measure direct current: - ANSWER: ✔✔a. Disconnect power to the circuit b. Place the meter leads in parallel with the circuit c. Place the meter leads in series with the circuit d. Set the meter range on a value less than the expected reading While engaged in alarm and locksmith work, the company's license number must be at least 2" in size and displayed: - ANSWER: ✔✔On all sides of all vehicles where the company name is displayed Conductors under a single terminal shall be: - ANSWER: ✔✔The same gauge and composition What type of cable uses a dielectric? - ANSWER: ✔✔Coaxial The smallest element of data in a video image is known as a: - ANSWER: ✔✔Pixel What is the electromotive force between two points in a circuit called? - ANSWER: ✔✔Current Adjusting the distance between the lens and the imaging device is called: - ANSWER: ✔✔Focusing What type of footwear best protects against electrical hazards in the workplace? - ANSWER: ✔✔Nonconductive safety shoes What is the maximum amount of administrative fines that can be levied against any person for violations of the Oklahoma Alarm and Locksmith Industry Act? - ANSWER: ✔✔$1,000 The maximum cable run recommended for RG59 is how many feet? - ANSWER: ✔✔750 What is the command line to verify IP connectivity to a device? - ANSWER: ✔✔Ping What type of connector is used to connect cable to an IP camera? - ANSWER: ✔✔BNC NFPA 70 is also referred to as the: - ANSWER: ✔✔National Electric Code What type of building material most interferes with wireless communications? - ANSWER: ✔✔Metal When using a mulitmeter to measure resistance, the technician should: a. Set the meter to the amperes setting - ANSWER: ✔✔Disconnect the circuit from the control equipment