Copyright Goodheart-Willcox Co., Inc. Heavy Equipment Power Trains and Systems 838 Review Questions Answer the following questions using the information provided in this chapter. 1. Which of the following track steering methods creates the smallest turning radius? A. Brake steer. B. Counter rotation. C. Neutral steer. D. Power turn. 2. Which of the following track steering methods has the operator propel both tracks in the same direction, but one track is propelled faster than the other track? A. Brake steer. B. Counter rotation. C. Neutral steer. D. Power turn. 3. If the operator of a dozer steers the tracks by performing a brake steer, which direction will the tractor steer? A. Toward the stationary track. B. Toward the moving track. C. In the same direction as the ripper. D. None of the above. 4. Technician A states that steering clutch and brake tractors are capable of counter rotating. Technician B states that Caterpillar’s D10T2 and D11T dozers are equipped with a steering clutch and brake system. Who is correct? A. Technician A. B. Technician B. C. Both A and B. D. Neither A nor B. 5. Which of the following is not an advantage of a hydrostatic-propelled track-type tractor? A. Hydraulic pumps are under constant high pressure when moving. B. Capable of counter rotation. C. Independent control of each track. D. Infinitely variable track speed control. 6. Dual-path hydrostatic-propelled dozers use _____. A. two hydraulic pumps and two hydraulic motors B. a torque converter C. a powershift transmission D. two steering clutches 7. Dual-path hydrostatic-propelled dozers have all of the following advantages, except: A. fewer power train components than steering clutch and brake systems. B. no gear shifting. C. capable of counter rotation. D. excellent tolerance to fluid contamination within the system. 8. Technician A states that the hydraulic pumps and motors installed on dual-path hydrostatic track-type tractors occupy nearly four times as much machine space as a powershift transmission. Technician B states that dual-path hydrostatic track-type tractors commonly have independent and infinitely variable track control. Who is correct? A. Technician A. B. Technician B. C. Both A and B. D. Neither A nor B. Technical Terms brake steer counter rotation differential steering hydrostatic steering system (HSS) neutral steer pivot turn power steering power turn steering clutch and brake system steering tiller turn mode switch turning radius