Test
1995 State
Este test tiene tiempo límite, así que se abre en el reproductor de siempre.
Preguntas del test (46)
1What combination of switches may be used to control a light from four locations?
- AFour 3-way switches
- BTwo 3-way switches and two 4-way switches
- CThree 3-way switches and one 4-way switch
- DFour 4-way switches
2Which of the following is the standard length of electrical metallic tubing?
- A5 ft
- B10 ft
- C15 ft
- D20 ft
3According to the National Electric Code, which of the following colors are acceptable for the grounded conductor in a circuit?
- AGreen
- BAny color but black or red
- CBare
- DWhite or gray
4Which of the following is a cable type that would be appropriate to use in a barn where the conditions will be moist?
- ANM
- BGE
- CUF
- DTM
5An "ampere" is the measurement of the?
- AFlow of electrons through a conductor.
- BPush on the electrons in a circuit.
- CResistance to the flow of current.
- DElectrical power of the current.
6The major purpose of a ground-fault interrupter is?
- ATo protect equipment from damage due to overloading.
- BAs a replacement for fuses in homes.
- CTo protect humans from electrical shock due to a ground fault.
- DTO protect appliances in case of a natural disaster.
7When connecting the branch circuit wires within a panel board (circuit breaker box), it is common practice to place the white wire?
- AUnder the lug of the circuit breaker.
- BTo the terminal bar with the bare ground.
- CTo the neutral terminal bar.
- DUnder the lug of a fuse.
8According to the National Electric Code, when securing electrical cable to a wooden surface (ie. a stud), it is a safe practice to place ?
- AThe stable within 8 inches of a plastic device box.
- BThe staple within 12 inches of a plastic device box.
- CThe staple within 18 inches of a plastic device box.
- DThe staple within 13 inches of a plastic device box.
9Which of the following overcurrent devices are designed to handle a "surge" of power that would occur when a large electrical load is energized?
- ATime delay fuse
- BEdison base fuse
- CCircuit breaker
- DGFCI
10The largest breaker than can be used to safely protect a 12 gauge wire is?
- A15 Amp breaker.
- B20 Amp breaker.
- C30 Amp breaker.
- D12 Amp breaker.
11According to the National Electric Code, wall switches should be placed how many inches off the floor?
- A36 inches
- B42 inches
- C48 inches
- DNone of the above
12Electrical wiring systems are properly grounded by attaching?
- AA conductor to the water system using PVC pipe.
- BA conductor to the water system with a metal pipe.
- CA conductor to a copper ground rod 1/2 inch in diameter and 8 feet long.
- DEither B or C is correct.
13The purpose of a transformer is to change the amount of ________ from one value to another.
- AWatts
- BOhms
- CVoltage
- DMicrofarads
14Three phase electrical power refers to a system with?
- AThree hot wires, each having a different voltage relative to ground.
- BThree central metering locations on the farmstead.
- CThree circuits from any service entrance.
- DThree hot wires each having the same voltage relative to ground.
15The electrical device that registers the electrical energy used is the?
- AWatt-hour meter.
- BVoltmeter.
- CAmmeter.
- DOhmmeter.
16An individual circuit is one that is?
- AWired from only one entrance panel.
- BWired to one outlet.
- CWired by only one person.
- DWired to one room.
17The NEC states that all current interrupting devices must be installed in the?
- AUngrounded wire of the circuit.
- BGrounded wire of the circuit.
- CNeutral wire of the circuit.
- DGrounding wire of the circuit.
18During the planting season, a farmer decides to recheck the plant population of his/her corn. The farmer has a 6 row-30 inch row width planter. When examining how many seeds he is planting he learns that there are 470 total seeds for the 6 rows after planting 60 feet. How many seeds per acre is the farmer supplying?
- A22,748
- B22,700
- C22,800
- D22,730
19Operating a PTO driven air planter with underinflated tires will cause?
- AOverseeding.
- BUnderseeding.
- CUnderinflated tires will not effect the number of seeds per acre.
- DNone of the above.
20A farmer is operating his/her 12 row-30 inch planter at 6.5 mph at 85% field efficiency. How many acres will the farmer cover in a 10 hour workday?
- A200.9 Acres/Day
- B220 Acres/Day
- C20.9 Acres/Day
- DNone of the above
21How many tons per hour would a farmer bale if he/she is baling a 24' windrow that yields 2 tons/acre? Assume he/she is driving 4 mph and operating at 80% efficiency.
- A18.61 Tons/Hour
- B17.61 Tons/Hour
- C19 Tons/Hour
- D20 Tons/Hour
22The servicing of any machine should be done?
- AAccording to the operator's manual.
- BWhenever you want to do it.
- CWhen the dealer says you should.
- DNone of the above.
23Before unplugging the baler, the operator should?
- AShut off the PTO.
- BShut off the tractor.
- CUnhook the power source.
- DBoth A & B.
24When a safety decal becomes destroyed or lost, the operator should?
- AStill be aware even though they aren't there.
- BPaint over the spot to prevent it from rusting.
- CInstall new decals.
- DNot worry about it.
251000 RPM power take-off shafts are usually equipped with?
- A21 splines.
- B22 splines.
- C6 splines.
- D5 splines.
26A common pressure range for farm field sprayer applications is?
- A10-80
- B75-150
- C100-200
- D150-300
27Assume you are plowing a field with a 12 foot chisel plow. Your ground speed is 6 MPH. Assuming 90% efficiency, how many acres can you plow in a 10 hour day?
- A60 acres
- B70 acres
- C150 acres
- DNone of the above
28The tailings auger on a combine?
- AAugers dirty grain back to the screens for further separation.
- BAugers dirty grain into the concave/threshing area of the combine.
- CAugers chaff out onto the ground.
- DAugers clean grain into the grain tank.
29Timeliness losses result from a machine that is?
- AUndersized.
- BOversized.
- CMismatched to the power unit.
- DOverloaded.
30Calculate the width of a field sprayer that is able to spray 15 acres per hour while traveling at 5 mph and operating at 50% efficiency.
- A36 feet
- B40 feet
- C44 feet
- D48 feet
31Penetration of a shovel on a row-crop cultivator is determined by?
- AThe degree of pitch of the shovel.
- BThe setting on the hydraulic cylinder.
- CThe setting on the hydraulic lever in the cab of the tractor.
- DSomething other than choices A,B, or C.
32The outer end of a mower cutter bar should?
- ALead or be set ahead of the inner end of the cutter bar.
- BLag or be set behind the inner end of the cutter bar.
- CNeither lag nor lead the inner end of the cutter bar.
- DBe ignored when adjusting your mower.
33A combine operator notices an excessive amount of threshed grain behind the straw chopper of a combine. The source of this problem could be?
- ASieve and chaffer set too wide.
- BSieve and chaffer set too tight.
- CFan RPMs too low.
- DCylinder RPMs low.
34Which of the following is not a cause of weld porosity?
- AToo long of an arc length
- BImproper storage of the electrode
- CExcessive travel speed
- DAll of the above
35An E6013 rod should be stored at?
- ARoom temperature.
- B250-300 degrees F.
- C350-400 degrees F.
- DNone of the above.
36When using reverse polarity, the electrode is?
- APositive.
- BNegative.
- CBoth a and b.
- DNone of the above.
37When welding a thick plate in the vertical position, you should?
- AWeld using the vertical down technique.
- BWeld using the vertical up technique.
- CWeld using either the vertical up or vertical down technique.
- DNot attempt the weld because it's not possible.
38The first pass when butt welding is called?
- AButt pass.
- BRoot pass.
- CFiller pass.
- DCap weld.
39Which of the following materials is safe to wear when arc welding?
- APolyester
- BWool
- CCotton
- DEither cotton or wool
40When MIG welding, the lens shade number that should be adequate to protect your eye while welding is?
- A6
- B8
- C10
- D12
41Which shielding gas gas allows the greatest penetration when "MIG" welding?
- AArgon
- BM1
- CCarbon Dioxide
- DM5
42Which of the following is the primary way to adjust the amperage of a MIG welder?
- ANozzle angle
- BWire feed speed
- CTravel speed
- DBoth a and b
43Which type of electrical current best controls the problem of arc blow?
- ADC+
- BDC-
- CAC
- DWater
44Which of the following causes the problem of undercutting when arc welding?
- ATravel speed is excessive
- BCurrent too low
- CArc length too short
- DUsing a 15 degree lead angle when welding a flat bead
45A common wire size when MIG welding is?
- A.002".
- B.035".
- C.350".
- D.020".
46The type of current most commonly used when MIG welding is (on 95% of all applications)?
- ADCSP, or electrode negative.
- BDCRP, or electrode positive.
- CAC.
- DAll of the above.
Información
- Descripción
- ...
- Autor
- Madison Feeler
- Idioma
- English
- Visitas
- 9
- Etiquetas
- Valoración
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