Download IMSA Level 1 Certification Exam 2024/2025 and more Exams Nursing in PDF only on Docsity! IMSA LEVEL 1 CERTIFICATION EXAM 2024/2025 |COMPLETE | GUARANTEED PASS!! Where are you when you install alternating flashing 12" red lights? - Accurate Answers✔✔✔ At a railroad crossing. Who determins the the standards on traffic control devices and sets the requirements for uniformity? - Accurate Answers✔✔✔ The Manual on uniform traffic control devices, (MUTCD). What is the the voltage that a traffic signal cabinet needs to run all its components? - Accurate Answers✔✔✔ 120 volts AC Where are you when you come across a signal that has a ped pole on each side of the road, each having a 3 section signal on top followed with a 2 section mounted directly under neath? - Accurate Answers✔✔✔ A ramp meter on a ramp to a highway. What is a flashing signal along the road called? - Accurate Answers✔✔✔ A flashing beacon. What is the definition of short term work zone as per the MUTCD? - Accurate Answers✔✔✔ 1 hour or less What's OSHA? - Accurate Answers✔✔✔ Occupational and safety health administration Can you get your level III certification and what are they? - Accurate Answers✔✔✔ Yes, and it's for bench and field electrician I'm working near power lines where would I get my clearance from? - Accurate Answers✔✔✔ CEC, NEC, NESC What are the three basic types of beacons? - Accurate Answers✔✔✔ Stop sign beacon, warning beacon, and flashing beacon. What is the difference between concurrent and sequential phases? - Accurate Answers✔✔✔ Concurrent phases, phases that run together. Sequential phases, are phases that run one at a time. I have a dual ring controller and all my through phases are even, what do I mean? - Accurate Answers✔✔✔ The dual ring phases are 2,4,6,8 What is the cheapest way to coordinate a corridor of signals? What needs to stay the same throughout the day? - Accurate Answers✔✔✔ Time based coordination, and cycle length. Explain the white walking man, the flashing orange hand on a ped head and how is this time figured? - Accurate Answers✔✔✔ The white Signal heads that are _________ are to only be seen from a specific area on the road? - Accurate Answers✔✔✔ Visibility limited. ____ assemblies provide the maximum support length to cross over a street? - Accurate Answers✔✔✔ Truss type assemblies. You can use the same type signal head _______ on a mast arm and truss supports? - Accurate Answers✔✔✔ Mounting hardware. Long life and low power consumption is a major advantage for _____ lamps? - Accurate Answers✔✔✔ LEDs The ___ wire keeps signal heads from swinging in the wind? - Accurate Answers✔✔✔ tether Span conductor wires are exposed to the weather 24/7? T or f? - Accurate Answers✔✔✔ True __________ are used to warn the traveling public of any changes or work on the road ahead, they are also known as variable/dynamic message signs? - Accurate Answers✔✔✔ Changeable message signs The last step before an intersection is ready for ____ is to have the inspectors, local agencies, and the contractor meet for the final okay. - Accurate Answers✔✔✔ Stop and go operation What are the two indications on a ped head and their colors? - Accurate Answers✔✔✔ Walking man - white, upraised hand - Portland orange A loop detector sends a message to the controller's input file because it ____ (increases or decreases) the inductance frequency. - Accurate Answers✔✔✔ Decreases There are __ (Two or three) turns of wire in a standard loop that is 6' x 20' - Accurate Answers✔✔✔ Three Would a solar detector be a common way to detect for traffic at a traffic signal? Yes or no? - Accurate Answers✔✔✔ No List three ways Doppler microwave detectors can check for vehicles? - Accurate Answers✔✔✔ Volume, occupancy, classification For one to maintence_____ you must close the lane of travel. - Accurate Answers✔✔✔ Loop detectors A loop detector that is made up of two long rectangles right next to each other is called a ___? - Accurate Answers✔✔✔ Quadrupole loop If I ask for some #10 AWG wire, what does AWG stand for? - Accurate Answers✔✔✔ American Wire Gauge
