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Final Exam for Brakes Questions and Answers Graded A+ FMVSS Federal Motor Vehicle Safety Standard Antilock Braking Systems To prevent wheel lockup during excessive braking Kinetic Energy The energy in mass in motion Leverage To increase mechanical force and transfer it to the booster Compensating Port The port in the master cylinder that access fluid return to the reservoir

HEAVY TRUCK BRAKES MICHIGAN MECHANIC STUDY GUIDE Graded A+ AN ENGINE BRAKE (JACOBS BRAKE) 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 SHOWN BELOW, THE PART AT C IS: A. AN INVERSION VALVE. (POSSIBLE CORRECT AWNSER) B. A SAFETY VALVE. C. A MOD...

Michigan Airbrake CDL Test |Complete Questions with A+ Graded Answers The air brake system on a commercial motor vehicle is comprised of three separate systems. Can you name them? Service, Parking, Emergency brake system

CDL Air Brakes |Complete Questions with Graded A+ Answers After every working day Oil and water usually collect in compresed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks? Why drain water from the compressed air tanks? Water can freeze in cold weather and cause brake failure. The air brake system for a straight truck or bus should not leak at a rate of more than __________ psi per minute with the engine off and the brakes released. 2 ...

CDL Air Brakes |Complete Questions with Graded A+ Answers Air loss in a straight truck or bus should not be more than how much PSI with the engine off and the brakes on? 3 PSI in one minute To make an emergency stop with air brakes, using the stab braking method, you should Brake as hard as you can get off brakes when wheels lock get back on brakes when wheels start rolling again All vehicles with air brakes must have what signal? Low air pressure warning signal It is ac...

Michigan CDL Air Brakes Exam Complete Questions with Graded A+ Correct Answers 3 different braking systems that make up Air Brakes Service Brake, Parking Brake, Emergency Brake Air Compressor Pumps air into storage tanks and connected to the engine via gears or a v-belt. Air Compressor Governor Controls when the air compressor will pump air into the air storage tanks. When tank pressure rises to the cut-out level, the governor stops the compressor from pumping. When the tank pressu...

SOS brake & braking system Exam|100% Verified PASS!!! In a single anchor bendix drum type rear brake the secondary lining is longer than the primary Compared to the secondary shoe lining areas of drum brakes, the primary shoe lining area is: smaller and goes toward the front of the car During a brake overhaul, you notice that the brake fluid seems to be very dirty and dark in color. What should you do? flush the system before the new parts are installed In order to bleed the s...

ASE S4 Brakes |Complete Questions with Graded A+ Correct Answers The air system is maintained at what pressure? 100 to 120 pounds per square inch. At what pressure does the low pressure switch activate? Below 60 pounds per square inch. A safety or pop off valve is usually installed in which reservoir? In the one closest to the compressor. Why is the Wet tank referred to as such? It is the one closest to the compressor and has the most water in it. What is an after cooler...

ASE BRAKES Exam #1|Complete Answers Graded A+ A A drum is chattering on the brake lathe. This could be the result of: A. Failure to install the dampening belt. B. Cutting too slowly. C. Dull cutting blades. D. Cutting speed too fast. C A vehicle is equipped with a hydro-boost brake system has a hard pedal with little braking action. Which of the following could be the cause? A. Low brake fluid B. Air in the brake fluid C. Low power steering fluid D. An overtightened power steerin...

T4 ASE Brakes Exam with complete Graded A+ solutions Which of the following could cause the brakes on a truck to wear too fast? A. glazed drums B. wrong linings installed C. Low air pressure D. governor cut out pressure B. wrong linings installed which of the following could cause one brake on a truck to wear faster than the others? A. mismatched service brake chambers B. mismatched parking chambers C. low air pressure in service tanks D. governor cut out too low A. mismatched se...

T4 ASE Brakes Exam with complete Graded A+ solutions Psi loss rate for Straight Truck 2 psi/minute Psi loss rate for combination vehicle less than 3 psi/minute Service Brake Pressure Drop Test Apply service brake to 90 psi. Loss rate should be less than 3 psi/minute for straight vehicles and less than 4 psi/minute for combination vehicles. Improperly adjusted brake shoes Cause 1) brake imbalance 2) increased stopping distance 3) excessive heat and wear Instability a...

SOS Mechanic Certificate - Electrical|Complete Questions with Graded A+ Answers After installing a new battery how long should you wait to allow for pcm time no need to wait As blower motor speed decreases the voltage drop across the resistance block.... increases What should you do first when replacing junction block or fuse? Unlock the battery ground cable The polarity of the voltage applied to the electromagnetic coils of an actual working DC motor is.... a commutator ...

SoCRA Certification Exam Complete Questions with Graded A+ Answers Biometrics A method of verifying an individual's identity based on measurement of the individual's physical features or repeatable actions where those features and or actions are both unique to that individual and measurable. (21 CFR, Sec. 11.3) Closed System An environment in which system access is controlled by persons who are responsible for the content of electronic records that are on the system. (21 CFR, Sec. 11.3...

SOS Mechanic Certification- Brakes Exam Complete Questions with 100% Correct Answers Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? Sealed non-serviceable to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: drop slightly and remain firm You are installing a set of brake shoe linings that are not the same ...

HEAVY TRUCK BRAKES MICHIGAN MECHANIC STUDY GUIDE AN ENGINE BRAKE (JACOBS BRAKE) 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 SHOWN BELOW, THE PART AT C IS: A. AN INVERSION VALVE. (POSSIBLE CORRECT AWNSER) B. A SAFETY VALVE. C. A MODULATOR VAL...

ARDMS Abdomen MOCK exam| 251 | QUESTIONS & ANSWERS | ALREADY GRADED A+ Progression of which of the following abnormalities flattens the portal veins? Biliary obstruction The wall thickness in a normal fasting gallbladder should not exceed 3 mm This color Doppler sonogram is most likely demonstrating which of the following abnormalities? Pseudoaneurysm This color Doppler image demonstrates turbulent swirling blood flow within a fluid collection, classic sonographic findings of a ...

Ardms Abdomen Board Review| 262 | QUESTIONS & ANSWERS | GRADED A+ the normal AP ddimension of the aorta lumen should not exceed 3 cm the celiac trunk is the first _____ branch of the aorta anterior the celiac trifurcates into...? the common hepatic artery the left gastric artery the splenic artery the gastroduodenal artery is a branch of the...? the common hepatic artery this artery branches off the anterior aspect of the aorta and travels vertically anterior and par...

ARDMS- SPI EXAM | QUESTIONS & ANSWERS | ALREADY GRADED A+ | UPDATED 2024 The horizontal axis, or x-axis Runs side to side The vertical axis, or y-axis Runs up and down Unrelated Two items that are not associated Related or Proportional Two items that are associated or affiliated However, the relationship between the items does not have to be specified Directly related or Directly proportional Two items that are associated such that when one item increases, the other in...

ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. f...

ALU 301 Chapter 4|Complete Questions with 100% Correct Answers The Humoral System Predominant theory of disesase in Western culture for over 200 years. It taught that the body is composed of four balanced humors, or fluids: blood, phlegm, black bile, and yellow bile - which are found in the heart, brain, spleen and liver. (Hippocrates created this.) Germ Theory of Disease Developed late in the 19th century by Louis Pateur and Robert Koch. This theory postulated that each disease is cause...