The mechanical brake - Study guides, Class notes & Summaries

State Truck Driving Championship Sample Questions with Verified Solutions What should a truck driver do if the engine overheats? If the engine overheats, the driver should pull over safely, turn off the engine, and let it cool down before checking coolant levels or inspecting for leaks. Why is it important to perform a pre-trip inspection? A pre-trip inspection ensures that the truck is safe and in good working condition before hitting the road, preventing potential mechanical is...

When compared to early vehicles, modern vehicles do not have: as many maintenance requirements Interchangeability Meant that parts did not have to be custom built to match a particular car. Advances in vehicle manufacturing technology have decreased the need for: Large Amounts of Labor Advantage of "Just In Time" manufacturing: The manufacturer doesn't have to store large quantities of parts Lube Technician A technician who carries out scheduled maintenance ac...

Mechanics Exam Questions and Answers Already Passed ** An MOV burns out, you replace it but cannot read voltage or resistance. What should you do? Replace it with a larger one (630) * On a Ward-Leonard circuit, the brake is set but the motor is trying to slip through the brake. What circuit is the issue? Suicide circuit (425) ** A Hydro runs up with no load but does not run up with a full load. What is the issue? The relief valve is set too low (805) ** Runby for a 1:1 car hits t...

The mechanical brake that, in most vehicles, is activated by a pedal or lever in the car: a. Power brake b. Parking brake c. Disc Brake d. Dual Master Cylinder - Answer b. Parking brake All of the following are types of brake-related technology except for... a. Anti-Skid Brakes (ASB) b. Drum Brakes c. Disc Brakes d. Dual Master Cylinder - Answer a. Anti-Skid Brakes (ABS) Most teens say they drink because it helps them relax and have a good time or it makes a party more fun. -...

When a truck has no air pressure in its tanks, which warning devices are activated when the ignition key is turned on? A buzzer, a dash gauge and a red light What legislation mandates every required standard of a highway truck air brake system? FMVSS 121 If a truck is FMVSS 121 compliant, which of the following air reservoirs must be incorporated into the air brake circuit? Supply, primary and secondary tanks In a truck air brake system which sub circuit is primarily resp...

A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - Answer-100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - Answer-Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? - Answer-Suicide Circuit - 425 You have an old DC motor and are...

The bleed air 10th stage valves must be closed for correct answers takeoff and landing if the engine cowl and/or wing anti-ice systems have been selected on The PSEU correct answers -Sequences the landing gear operation -Monitors: • Aircraft Doors • Ground Spoilers • Thrust Levers • Parking Brake • Flap Position (DSP-F LVR) How is nosewheel steering accomplished? correct answers Tiller (+/- 70 degrees) - Rudder pedals (+/- 5 degrees) - Note: Do not steer using the tiller...

What is the difference between a unitized frame and a uni-body? - Answer-There is no difference. In a uni-body or unitized vehicle, the frame and body are incorporated into a single welded structure. Should exhaust damaged systems be welded and repaired, or replaced all together? - Answer-Replaced. Exhaust gases contain poisonous carbon monoxide and leaks could create dangerous conditions for passengers. The "Inside Out" sequence refers to... - Answer-Calculating Labor times SAI refers t...

When a truck has no air pressure in its tanks, which warning devices are activated when the ignition key is turned on? A buzzer, a dash gauge and a red light What legislation mandates every required standard of a highway truck air brake system? FMVSS 121 If a truck is FMVSS 121 compliant, which of the following air reservoirs must be incorporated into the air brake circuit? Supply, primary and secondary tanks In a truck air brake system which sub circuit is primarily resp...

Texas CDL Air Brakes Questions and Answers Already Passed Air brake systems combine what three different systems? Service brakes, parking brakes and emergency brakes. When should you drain the air tanks? After every working day. Why drain water from the compressed air tanks? Water can freeze in cold weather and cause brake failure. Air brake equipped vehicles must have: A supply pressure gauge and warning signal when psi drops below 60. What can legally hold a parking or eme...