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C-27 Exam Practice Questions and Answers 100% Solved

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C-27 Exam Practice Questions and Answers 100% Solved 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) Maytenus boaria will reach anywhere from 30-50 feet. What is the total cos...

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C-27 Exam Practice Questions and
Answers 100% Solved
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) ✔✔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) ✔✔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: ✔✔Lay drainage
pipe.

The last task to do of the following is... for the job shown in this plan. ✔✔build the deck

What does the abbreviation "POC" mean on the plan?` ✔✔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?
✔✔144/16=9 plus one for the starter joist

D.S. on the plan means: ✔✔Downspout

Posts are connected to the pier block by: ✔✔Toe-in-Nails

Joists are connected to the house by: ✔✔Lag screws.

A... size nail would be used to nail a 2x6 deck to a 4x4 joist ✔✔16d

The cut corners shown in the planter are called... ✔✔Miter or Dada

The safest wire size for an electrical extension cord is: ✔✔#12

In an electrical system, what is the white wire? ✔✔Neutral

How many wires would you run from the controller, if you have six-station sprinkler system?
✔✔6+1 common

The voltage in low-voltage garden light is: ✔✔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? ✔✔250. To determine wattage, just add
the watts.

How is the wire size in a low voltage system determine? ✔✔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. ✔✔10 feet

If a wire is #12, what is the maximum length for one set of landscape lights? ✔✔100. Measured
from the transformer to the last light.

One of the following wires gets the hottest: ✔✔#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? ✔✔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:
✔✔call an electrician

Where is the splicing made, when splicing into a lighting system? ✔✔Above the ground
(splicing must be "known" and "accessible")

An electrician brings in... wires from the house to an automatic sprinkler control: ✔✔2

Which two things will give you a shock if you touch them simultaneously? ✔✔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? ✔✔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? ✔✔UF (underground feeder)

What type must low voltage control conductors be? ✔✔UF

A... cable is used for low voltage lighting. ✔✔#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. ✔✔quartz halogen

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