C-27 Exam Practice Questions and Answers 2024

C-27 Exam Practice Questions and Answers 2024 In 25 years, how tall will the tallest tree in the plan get? (you will find the following trees on the plan: Malus floribunda, Maytenus boaria, and Acer circinatum) -Answer- Maytenus boaria will reach anywhere from 30-50 feet. What is the total cost for all tree shown in the plan if trees cost $40 each? (there will be 3 Maytens, 1 malus, and 1 acer) -Answer-There are 5 trees on the State blueprint 5x40 = $200. The first thing to do when you start the landscaping job shown in this plan is: -Answer- Lay drainage pipe. The last task to do of the following is... for the job shown in this plan. -Answer-build the deck What does the abbreviation "POC" mean on the plan?` -Answer-Point of Connection If the joists shwon on the plan are 16 in o.c., how many would be needed for an 144 in length? -Answer-144/16=9 plus one for the starter joist D.S. on the plan means: -Answer-Downspout Posts are connected to the pier block by: -Answer-Toe-in-Nails Joists are connected to the house by: -Answer-Lag screws. A... size nail would be used to nail a 2x6 deck to a 4x4 joist -Answer-16d The cut corners shown in the planter are called... -Answer-Miter or Dada The safest wire size for an electrical extension cord is: -Answer-#12 In an electrical system, what is the white wire? -Answer-Neutral How many wires would you run from the controller, if you have six-station sprinkler system? -Answer-6+1 common The voltage in low-voltage garden light is: -Answer-12V In a low voltage system, there are two 25 watt lights, five 30 watt lights, and one 50 watt light. How many watts would you have to run in the system? -Answer-250. To determine wattage, just add the watts. How is the wire size in a low voltage system determine? -Answer-the distance to be run (to compensate for voltage drop, caused by a long run of wire) An outlet must be... feet from the pool. -Answer-10 feet If a wire is #12, what is the maximum length for one set of landscape lights? -Answer- 100. Measured from the transformer to the last light. One of the following wires gets the hottest: -Answer-#12 series ( the greater the resistance, the hotter the circuit gets. #12 is smaller than #10, so it has more resistance. Parallel circuits have only a fraction the resistance as one in series) What causes lights to dim at the end of the line? -Answer-They were wired in a series (if wired in series, each light further from the source has a drop in voltage equal to the amount of voltage used by the previous light. Also not enough amps in the system. If you are coming off a 120V household circuit and you must convert to 12V, you should: -Answer-call an electrician Where is the splicing made, when splicing into a lighting system? -Answer-Above the ground (splicing must be "known" and "accessible") An electrician brings in... wires from the house to an automatic sprinkler control: - Answer-2 Which two things will give you a shock if you touch them simultaneously? -Answer- Black and white; black and a metal pipe If you live wire were to come into contact with a power tool, what will best protect you from shock? -Answer-GFI (GFI means ground fault interrupter. The circuit breaker and fuse protect the circuit. GFI protects you. It is much faster and responds to a much weaker electrical event. What is printed on the label of underground direct-burial wire? -Answer-UF (underground feeder) What type must low voltage control conductors be? -Answer-UF A... cable is used for low voltage lighting. -Answer-#12-2 UF (2 conductors of American wire gauge size #12. They must be copper, not aluminum.) A... light bulb gives off the truest color. -Answer-quartz halogen You use a... to pull a wire through a conduit. -Answer-fish tape What is the maximum voltage you can work with befo