HEAVY TRUCK BRAKES MICHIGAN MECHANIC STUDY GUIDE WITH COMPLETE SOLUTIONS
8 views 0 purchase
Course
Heavy truck
Institution
Heavy Truck
HEAVY TRUCK BRAKES MICHIGAN
MECHANIC STUDY GUIDE WITH
COMPLETE SOLUTIONS
AN ENGINE BRAKE (JACOBS BRAKE) - Correct Answer ️️ -A. IS A SELF-
ENERGIZING SERVO TYPE.
B. IS NORMALLY USED IN PLACE OF A SPRING BRAKE.
C. RESTRICTS THE INTAKE PORT AND CAUSES A BUILD UP OF 30-45 LBS OF
PRESSURE.
...
HEAVY TRUCK BRAKES MICHIGAN MECHANIC STUDY GUIDE WITH COMPLETE SOLUTIONS AN ENGINE BRAKE (JACOBS BRAKE) - Correct Answer ✔️✔️-A. IS A SELF -
ENERGIZING SERVO TYPE. B. IS NORMALLY USED IN PLACE OF A SPRING BRAKE. C. RESTRICTS THE INTAKE PORT AND CAUSES A BUILD UP OF 30 -45 LBS OF PRESSURE. D. OPENS THE EXHAUST VALVES NEAR THE TOP OF THE COMPRESSION STROKE TO RELEASE THE COMPRESSED AIR. (CORRECT AWNSER) IN THE SYSTEM S HOWN BELOW, THE PART AT C IS: - Correct Answer ✔️✔️-A. AN INVERSION VALVE. (POSSIBLE CORRECT AWNSER) B. A SAFETY VALVE. C. A MODULATOR VALVE. (NOT CORRECT AWNSER) D. A RELAY VALVE. A MECHANIC HAS REMOVED A BRAKE DRUM AND FOUND THE BRAKE LININGS SOAKED WITH GREASE. THE BRAKE LININGS SHOULD BE: - Correct Answer ✔️✔️-
A. REPLACED. (CORRECT AWNSER) B. SANDED TO ROUGHEN UP THE FRICTION SURFACE. C. DIPPED IN LACQUER THINNER. D. WASHED WITH DENATURED ALCOHOL. IN THE DRAWING BELOW, THE PARKING BRAKES ARE APPLIED BY: - Correct Answer ✔️✔️-A. AIR PRESSURE AT POINT F. B. VACUUM IN AREA B. C. SPRING AT POINT C. D. PRESSURE IN AREA A. (NOT CORRECT AWNSER) WHAT IS THE PURPOSE OF A VACUUM BOOSTER? - Correct Answer ✔️✔️-A. TO DECREASE BRAKE PEDAL EFFORT. (POSSIBLE CORRECT AWNSER) B. TO PREVENT FADE UNDER HEAVY BRAKING. C. TO PROVIDE ASSISTANCE WHEN THE ENGINE VACUUM IS LOW. (NOT CORRECT AWNSER) D. TO MAINTAIN UNIFORM PEDAL TRAVEL AS THE LININGS WEAR. THE TRAILER BRAKES DO NOT WORK. THE TRACTOR SYSTEM IS AT NORMAL PRESSURE. THERE ARE NO LEAKS AND THE SERVICE AND EMERGENCY LINES ARE HOOKED UP RIGHT. WHAT COULD CAUSE THIS PROBLEM? - Correct Answer ✔️✔️-A. ICE IN T HE LINES AT THE TRAILER. B. A BAD RELAY VALVE. C. A BAD SAFETY RELIEF VALVE. D. BOTH A AND B. (CORRECT AWNSER) THE RESIDUAL VALVE IN THE MASTER CYLINDER: - Correct Answer ✔️✔️-A. LIMITS PRESSURE BUILD UP IN THE SYSTEM. B. STOPS THE FLOW TO DAMAGED BRAKE LI NES.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BrittieDonald. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
