2015 Ag Mechanics CDE Prelim Exam

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Miles Haynes
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1 Florida FFA Association ID: A 2015 Ag Mechanics CDE Prelim Exam Multiple Choice Identify the choice that best completes the statement or answers the question. Mark your answer choices on your answer form. 1 How many people does each American farmer feed? a) 79 b) 144 c) 254 d) 2 million 5 A reflective orange triangle with a red border on each of the three sides is called a. a) railroad crossing emblem b) radioactive emblem c) slow-moving vehicle emblem d) truck crossing emblem 2 Renewable natural resources are provided by. a) agriculture b) technology c) nature d) nonfarm workers 6 How many items of information should be listed on a pesticide label? a) 16 b) 3 c) 8 d) 10 3 Land leveling, mapping, drainage, irrigation, terracing, land measurement, contouring, and strip cropping are skills needed for the areas of and management. a) water, animal b) plowing, water c) soil, water d) soil, plowing 4 Agricultural mechanics shops should have large, areas for projects, machinery repairing, and building. a) colorful b) open c) seated d) cold 7 A vacuum system that is attached to shop equipment is called a) cleanup system b) automatic sweeper c) dust collection system d) machine drier 8 The unit of measure used to designate the length of most nails is the a) penny b) nickel c) dime d) quarter 9 Which tool is a layout tool? a) offset box wrench b) groove joint pliers c) pin punch d) none of these answers is correct 1

2 10 What are flush plates used for? a) providing decoration on door frames b) allowing the door to pivot c) strengthening corners of frames and doors 16 Lumber can be classified according to a) the way the lumber was sawed from the log b) the way the lumber is cured c) the way the lumber will be used 11 Wood from deciduous trees is classified as a) softwood b) hardwood c) green wood d) strong wood 17 You should always perform the final sanding a) with the grain b) against the grain c) on the edges d) whichever works best for your project 12 The classification of wood is based on a) the strength of the wood b) how many knots are present in the wood c) how easy the wood splits when cut d) whether or not the tree sheds its leaves in the winter 13 Hardwoods are best suited for a) siding b) furniture manufacturing c) construction purposes 18 Solder is a mix of a) tin and aluminum b) tin and lead c) lead and copper d) copper and aluminum 19 Most soldering jobs in agricultural mechanics can be done with solder composed of a) 30 percent tin, 70 percent iron b) 40 percent copper, 60 percent steel c) 50 percent tin, 50 percent lead d) 30 percent tin, 70 percent steel 14 Softwoods are used extensively for a) siding b) furniture manufacturing c) construction purposes 15 Which grade is recommended when strength is needed? a) select b) common c) dimension 20 When a drill is used for wood or metal, it is important to protect your. a) eyes b) ears c) nose d) mouth 21 The pitch of a blade refers to a) the angle the blade is in the machine b) the angle cut with the blade c) the number of teeth per inch of saw blade d) the number of teeth needed on the board 2

3 22 What is the gullet? a) distance from the tip of the tooth to the blade body b) midsection of the saw c) number of teeth per inch of saw blade d) none of these answers is correct 23 A saw that cuts with reciprocal action means a) horizontal cutting b) vertical cutting c) cutting in a circle d) back-and-forth cutting 24 The jigsaw is designed for sawing a) curves b) straight lines c) blocks d) angles 25 What is the general length of blades for a jigsaw? a) 4 1/2 inches b) 5 3/4 inches c) 6 1/2 inches d) 7 1/4 inches 26 When should you use a coarse or very coarse texture on the grinding wheel? a) sharpening tools b) shaping metal for sharpening, welding, or construction c) wood products d) generally not recommended 27 When should you use a medium texture grinding wheel? a) sharpening tools b) shaping metal for sharpening, welding, or construction c) wood products d) generally not recommended 28 The number of movable blades on a power shear is a) one b) two c) three d) four 29 Boards that have a thin rib on one side and a slot cut into the other are called a) hinged b) tongue and groove c) notch-cut d) dovetail 30 Applying torque to a screwdriver means that you are it. a) applying pressure to b) unscrewing c) pushing d) twisting 31 The first pass made in a joint weld is called the pass. a) root b) first c) initial d) starter 3

4 32 How many times per second does the short-circuit heating and cooling occur during the GMAW welding process? a) 500 b) 10 c) 50 d) Pigments give color and power to paint. a) lasting b) hiding c) coloring d) changing 38 Identify the unit used to measure a material s resistance to the flow of electrical current. a) volt b) ohm c) ampere d) watt 39 What is a measure of how well a material allows electricity to pass through it? a) resistance b) conductance c) ohm d) siemen 34 A water-based paint is called. a) epoxy b) alkyd c) glossy d) latex 40 What kind of resistor has three terminals? a) fixed b) series c) variable 35 A newer type of spray gun is called. a) HPLV b) HVLP c) HPPV d) HVPP 36 Which of the following is NOT a proper safety precaution? a) Always wear eye protection b) Work only in a well-ventilated area c) Always use gasoline to wash engine parts d) Use the proper tool for the proper job 37 On a small gas engine, how often should the oil be changed? a) after every 5 hours of use b) after every 25 hours of use c) after every 100 hours of use d) after every 200 hours of use 41 The ability of a device to store electrical energy in an electrostatic field is a) inductance b) dielectric c) semiconductor d) capacitance 42 What is the name of the device, either analog or digital, that measures the activities of invisible electrons and provides a visual interpretation of these activities? a) photoconductive cell b) rheostat c) potentiometer or pot d) electrical meter 4

5 43 Large diameter plastic pipe is used mostly for a) household water systems b) field drainage c) vent systems d) sewage systems 45 A timber that supports the roof is a. a) rafter b) truss c) girder d) frame 44 You should plant a windbreak on the side of the farm. a) northeast b) northwest c) southeast d) southwest True/False Indicate whether the statement is true or false. Mark your answer choices on your answer form. 46 Grease and oil are necessary on tool handles to keep them conditioned. a) True b) False 50 According to Pascal s law, the resulting pressure transferred in a system can be changed by using different sized pistons. a) True b) False 47 The filler rod for fusion welding should be made of iron. a) True b) False 48 Latex paints dry slowly and should be brushed as much as needed to spread properly. a) True b) False 49 Because the septic tank is a self-contained system, it is okay to locate it near a well or anywhere else in the yard. a) True b) False 5

6 2015 Ag Mechanics CDE Prelim Exam Answer Section MULTIPLE CHOICE 1 ANS: B ANS: C nature 3 ANS: C soil, water 4 ANS: B open 5 ANS: C slow-moving vehicle emblem 6 ANS: A 16 7 ANS: B automatic sweeper 8 ANS: A penny 9 ANS: D none of these answers is correct 10 ANS: C strengthening corners of frames and doors 1

7 11 ANS: B hardwood 12 ANS: D whether or not the tree sheds its leaves in the winter 13 ANS: B furniture manufacturing 14 ANS: C construction purposes 15 ANS: C dimension 16 ANS: A the way the lumber was sawed from the log 17 ANS: A with the grain 18 ANS: B tin and lead 19 ANS: C 50 percent tin, 50 percent lead 20 ANS: A eyes 21 ANS: C the number of teeth per inch of saw blade 2

8 22 ANS: D none of these answers is correct 23 ANS: D back-and-forth cutting 24 ANS: A curves 25 ANS: C 6 1/2 inches 26 ANS: B shaping metal for sharpening, welding, or construction 27 ANS: A sharpening tools 28 ANS: B two 29 ANS: B tongue and groove 30 ANS: D twisting 31 ANS: A root 32 ANS: D 100 3

9 33 ANS: B hiding 34 ANS: D latex 35 ANS: A HPLV 36 ANS: C Always use gasoline to wash engine parts 37 ANS: B after every 25 hours of use 38 ANS: B ohm 39 ANS: B conductance 40 ANS: C variable 41 ANS: D capacitance 42 ANS: D electrical meter 43 ANS: D sewage systems 4

10 44 ANS: B northwest 45 ANS: A rafter TRUE/FALSE 46 ANS: T 47 ANS: F 48 ANS: F 49 ANS: F 50 ANS: T 5

2015 State Ag Mechanics Exam

Florida FFA Association ID: A 2015 State Ag Mechanics Exam Multiple Choice Identify the choice that best completes the statement or answers the question. Mark your answer choices on your answer form. 1