DOT Triangles (10/100/200 ft), Blowouts, Red Stop Engine Lights & Mobile Service • Level A2-B1
¡Despacha unidades móviles de llantas, valida colocación de triángulos DOT y autoriza órdenes de reparación diésel en carretera!
Open Phase 1: Lexicon Decks. Play native audio for the 6 concept decks. Have students repeat in chorus and individual pairs to master technical phonetics.
Switch to Phase 2: Simulator. Guide learners through the 3 interactive challenges. Ask checking questions: "What happens if we adjust this parameter?"
Assign partner roles in Phase 3: Spoken Dialogues. Students practice the 5 scenario frames, alternating speaker and responder roles in fluent English.
Debate Phase 4: Ethics Dilemmas. Then guide all students to Phase 5: Star Award, click the certificate button, and celebrate with confetti!
| Matrícula | Operador / Alumno | Rol | Fase Actual | Puntos | Estrellas | Último Escenario |
|---|---|---|---|---|---|---|
| Cargando operadores en auxilio vial... | ||||||
Master essential English for placing emergency warning triangles, handling steer tire blowouts, diagnosing red stop engine faults, and dispatching mobile diesel service.
Click on the speaker icons to listen and practice essential English for emergency triangles, tire blowouts, overheating, DEF derates, and mobile service:
I-40 Eastbound Mile Marker 182 • Left Steer Blowout • Triangles: 10 ft, 100 ft, 200 ft • Action: Mobile Tire Dispatch
Practice reporting breakdowns, providing exact highway locations, and coordinating mobile diesel repairs in English:
"Breakdown Dispatch, this is Driver Alex on Tractor 4820. I am stopped on the right shoulder of Interstate 40 Eastbound at Mile Marker 182 due to a blown left drive tire."
Dispatch: "Location copied: I-40 Eastbound Mile Marker 182. Are you in a safe position off the travel lane with four-ways and triangles deployed?""Yes, all three DOT triangles are out at 10, 100, and 200 feet. Tire size is 295/75R22.5 on an outer aluminum wheel. Rim is undamaged."
Dispatch: "Sending Loves Mobile Tire Service under our national corporate account. ETA is forty-five minutes.""Dispatch, my red Stop Engine light just came on and coolant temperature reached 230 degrees. I safely pulled over and shut the engine off immediately."
Dispatch: "Good job shutting it down immediately to save the cylinder head. What active SPN fault code is displaying on your dash screen?""Tech, the lower silicone radiator hose ruptured near the clamp. I need a three-inch silicone elbow hose and three gallons of red heavy-duty extended life coolant."
Mobile Tech: "I have the replacement hose and premix coolant on the service truck. Let me replace the clamp and pressure test the system.""Wrecker operator, please pull both drive axle shafts before lifting the front axle to ensure the transmission is completely disengaged during tow."
Tow Operator: "Axle shafts are pulled and capped, air supply line hooked to release trailer brakes. Rolling to the Freightliner dealer."Your semi breaks down on a two-lane mountain highway 50 feet past the crest of a blind hill with a narrow shoulder. How do you adjust your DOT triangle placement?
An independent roadside mechanic arrives on scene and demands six hundred dollars in cash before starting work, refusing to call company dispatch. How do you respond?
Your DEF countdown expires on an uphill interstate grade, derating the truck to 5 MPH with heavy 70 MPH traffic behind. What is your immediate safety protocol?
A wrecker operator hooks under your front bumper and prepares to tow your semi 40 miles with drive tires on the ground without removing drive axle shafts. What must you insist on?
Congratulations, Driver! You have successfully mastered DOT Emergency Warning Triangle placement, steer/drive tire blowout recovery, engine overheating diagnostics, DEF derates, and coordinating roadside mobile diesel repairs in English!