2006 State Agricultural Mechanics Written Examination



2010 State Agricultural Mechanics Problem Solving

Directions: Place your name, chapter, and contestant number on the accompanying scantron form that you will receive from the test administrators. Read each of the following multiple-choice items and the possible answers carefully. Mark the letter of the correct answer on your answer sheet (scantron form) as instructed by the test administrators. PLEASE MAKE NO MARKS ON THIS TEST. You may use the paper provided to work out the problems.

Use the information from the table below to answer questions 1 – 3.

|Tip |Nozzle Height in Inches (cm) |

| |Spray Angle |Nozzle Spacing 20" (50cm) |Nozzle Spacing 30" (75cm) |Nozzle Spacing 40" (100cm) |

|TeeJet Standard, TJ |65° |22 - 24" (75) |33 - 35" (100) |NR* |

|TeeJet, TX |80° |17 - 19" (60) |26 - 28" (80) |NR* |

|TeeJet, DGTJ |110° |16 -18" (40) |20 - 22" (60) |NR* |

|FullJet |120° |10 -18" (40)** |14-18" (60)** |14 - 18" (75)** |

|FloodJet |120° |14 -16" (40)*** |15-17" (60)*** |18 - 20" (75)*** |

|Nozzle height adjustments are based on the minimum overlap required to obtain uniform distribution. Typical height adjustments are based on a 1 to|

|1 nozzle spacing to height ratio. |

|* Not recommended |

|** Nozzle height based on 30° to 45° angle of orientation |

|*** Wide angle spray tip height is influenced by nozzle orientation. |

1. Which nozzle is recommended for 40" spacing at a height of 14"?

a. FloodJet

b. FullJet

c. TeeJet

d. TeeJet Standard

2. Which nozzle is recommended to work at the least amount of spray angle?

a. FloodJet

b. FullJet

c. TeeJet

d. TeeJet Standard

3. Which nozzle is recommended for an 80° spray angle?

a. FloodJet

b. FullJet

c. TeeJet

d. TeeJet Standard

4. Mr. Cole’s students at Triton High School use a Plasma cam and Torch mate to make the FFA emblems in the picture below. If his students can make 20 emblems from one 4 x 8 sheet of 16 gauge metal and the sheet cost $60.00, how much money will the FFA Chapter make if they sell each emblem for $40.00?

a. $ 680

b. $ 740

c. $ 800

d. $ 860

5. If a 99ȼ can of paint will cover 4 emblems with one coat, how much cost will be added for the 20 emblems in the above problem, if Mr. Cole’s class applies three coats to each emblem?

a. $ 4.95

b. $ 9.90

c. $ 14.85

d. $ 17.50

6. John is shopping for a new Ford F-150 pickup. If he purchases the XLT with a 5.6 Liter engine, his mileage will be 14 miles per gallon around the farm. However, he may choose the 4.6 Liter engine and get 15 miles per gallon. How many miles will he have to drive before the 4.6 Liter engine will save him over $1000.00 in gas, if gas is $2.75/gallon?

a. 29,900

b. 48,136

c. 60,973

d. 76,920

7. Allison harvested 400 acres of corn and averaged 110 bushels per acre. If she sells the corn for $ 3.65 per bushel, what will be her gross income from the corn?

a. $ 146,000

b. $ 160,600

c. $ 230,800

d. $ 365,000

8. If Allison’s expenses for producing the crop in problem 7 were $2.52 per bushel, how much was her net income from the corn crop?

a. $ 27,700

b. $ 32,450

c. $ 49,720

d. $ 63,760

9. If a pipe has a friction loss of 130 gallons per hour, what is the loss in gallons per minute (gpm)?

a. 0.83

b. 1.59

c. 2.17

d. 3.48

10. If a motor has a rated speed of 3000 rpm and has a 2" pulley, how many rpms will it drive a grain auger with a 10" pulley? S x D = S’ x D’ (S = speed of motor, D = diameter of motor pulley, S’ = speed of machine, and D’ = diameter of machine pulley).

a. 400

b. 600

c. 650

d. 700

11. If a student is building a trailer that requires he purchase an additional 4 pieces of 1/4" x 1½" x 1½" x 10' angle iron at a cost of $ 1.81 per foot and 8 pieces of 2" x 8" x 10' at $ 1.20 per board foot, how much additional money will he need?

(BF = pieces X T" x W" x L')

12

a. $ 72.40

b. $128.04

c. $200.44

d. $328.40

A student is covering her shelter for her Supervised Agricultural Experience with Owens Corning 3' x 36' Mineral Surfaced Roll Roofing. If the roof is a shed-type design with a 20' span and 24' in length, how many rolls will she need? (Allow 12% for waste and overlapping.)

2 5

3 6

4 7

5 8

12. If Sissy is mixing concrete using he 1-2-3 rule, how many shovels of sand will she need to mix with 10 shovels of Portland cement?

a. 7

b. 15

c. 20

d. 30

13. Shane applies 20 pounds of 15-9-12 “Osmocote Plus Plant Food to his greenhouse crop of begonias. The cost of a 50 pound bag is $ 120.00. How much is the cost per plant if he is applying the product to 500 pots? (Add 4% for labor cost and round up).

a. $ .06

b. $ .10

c. $ .13

d. $ .15

Use the information from the Table below to answer problems 15 -16.

|Pesticide Leaching Potential Indices |

|Classification |Common Name |Trade Name |Rate* |Index** |Special Instructions |

|Herbicide |Benefin |Balan 2.5G |2.75 lb |36 |Used for preemergence control of crabgrass. Do not used |

| | | | | |on newly sprigged turfgrasses |

|Herbicide |Sidurion |Tupersan 50 WP |7.3 oz. |64 |Used for preemergence control of crabgrass. Do not used |

| | | | | |on centipede and bermudagrass. |

|Herbicide |Prodiamine |Barricade 65 WDG |0.28 oz |1 |Preemergence control of crabgrass and annual bluegrass |

|Fungicide |Vinclozolin |Curlan |1 oz. |20 |Brown patch control |

|Rate* = Application rate per 1,000 square feet; Index** = (0-100) 0 is very low leaching potential and 100 is very high leaching potential |

14. Which pesticide has the LEAST potential for leaching when applied correctly?

a. Benefin

b. Prodiamine

c. Sidurion

d. Vinclozolin

15. Which pesticide has the highest application rate per 1.000 square feet?

a. Benefin

b. Prodiamine

c. Sidurion

d. Vinclozolin

16. Jan runs a ceiling fan rated at 50 watts around the clock in her workshop. She also keeps four shop lights with four 100 watt bulbs each running 8 hours per day. How many kilowatts of electricity will she use in a 6 month period for just the lights and fan?

a. 252

b. 2,520

c. 25,200

d. 2,520,000

17. Jose is planning to pour a concrete pad for a pesticide loading area on his farm. If he pours the pad 24 feet square and 6 inches deep, how much will it cost him if concrete cost $ 105.00 per cubic yard?

a. $ 590.35

b. $ 799.99

c. $ 933.45

d. $ 1,120.35

18. The speed of a combine is 4.6 miles per hour. The combine has a grain head that is 40 feet wide. How many acres can be harvested if the farmer begins at 7:00 a.m. and worked until 10:00 p.m., stopping a total of 4 hours for lunch, service and to unload the harvested grain?

(Acres/hour = width of machinery x speed in miles/hour)

10

a. 152

b. 173

c. 194

d. 201

19. Jacob has a 2010 Dodge Ram 4.7 Liter flex-fuel pickup. His mileage when running with gasoline is 19 on the highway. That mileage drops to 14.75 if he is using E 85. What percentage drop is that?

a. 13.67

b. 16.93

c. 22.35

d. 25.83

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