Ag Mech 3

Cone-shaped large round bales result from which of the following conditions?

• Feeding too much hay into one side of the baler
• Too much hay going into the middle of the baler
• Windrows that are too small
• Windrows that are too far apart

In relation to the ground speed of the tractor, what speed should the mower-conditioner typically be set on for a standing crop?

• One and one-quarter times the ground speed
• One-half the speed of ground speed
• Two times the ground speed
• Two and three-quarters times the ground speed

What devices do disc mowers typically use to cut the crop?

• Short blades
• Serrated scissors
• Reciprocating knives
• Sharpened forks

In order to determine the drawbar power output of a tractor, what must be measured?

• Drawbar pull & travel speed
• Engine torque and rotational speed
• Fuel consumption and engine temperature
• Hydraulic pressure and flow rate

What tractor power train component directs power equally to both rear wheels to prevent the loss of traction that occurs when one wheel is slipping?

• Differential lock
• Drawbar lock
• Transmission Lock
• Final drive lock

What is the typical reaction time required for a person to receive an unexpected signal, decide what to do, and do it?

• 2.8 seconds
• 0.9 seconds
• 0.2 seconds
• 4.5 seconds

Which of the following is the best means of maintaining proper travel speed when driving down a hill with a tractor-loader?

• Use a lower gear and take advantage of engine braking
• Ride the brake pedals
• Place the transmission in neutral and roll down the hill
• Back down the hill

Under what circumstances must a slow moving vehicle (SMV) sign be displayed on agricultural machinery?

• When machinery is operated on public roads
• When machinery will NOT be operated on public roads
• Only on machinery that will operate on interstate highways
• Only on machinery that will be transported on a trailer

Which of the following statements about a tractor-loader's center of gravity is true?

• It changes as the position of the loader changes
• It is always in the same place
• It changes depending on the operator's hours of use
• It is located ten feet behind the loader

If the measured tractor wheel slippage is zero, what adjustment can increase wheel slippage?

• Remove the ballast from the tractor
• Add more ballast to the tractor
• Drive 2 miles per hour faster
• Drive 2 miles per hour slower