Question

rnellas - 6BD 25F) Question 4 Answer saved Marked out of 1.00 P Flag question Tech A says that the vacuum booster increases the vacuum in the brake system. Tech B says that the vacuum booster uses vacuum and atmospheric pressure to multiply the driver's foot pressure applied to the master cylinder push rod. Who is correct? Select one: A. Tech A B.Tech B C. Both A and B D. Neither Anor B

Answer 1

ANSWER (1.) Disc brake systems that are equipped with low -drag brake calipers use: (A) (B) ces s, tandem master Cylinder & were take-up master cylinder ✓ single piston master cylinder x modern master cylinder & NOTES Low-Drog calipers must be used in conjuction with a Quick take-up master cylinder because the low drag caliper piston is retracted deeper into the Caliper bore, additional fluid is needed to push the piston outward untill the fad makes contact with Y the notor. ANSWER (2.) A wheel's braking ability depends most on: A (B) ce (0) engine speed X the type of brake fluid used & the load it is carrying & the type of transmission used x NOTE! wheel's braking ability depends most on of the vehicle and weight distribution gross weight on each axle.

ANSWER (3.) Which of the following is used to hold off the application of the front brakes on vehicles with disc brakes on the front wheels and drum brakes on the rear wheels: Load-sensitive proportioning valvex Metering valve x u (B) (0) Pressure differential value x (0) Combination value and was a NOTE :- Combination value is a three function valve contains the proportioning value, metering valve, and a Pressure differential switch. 0 Metering valve is in the of the front brakes rear brake springs. charge of delaying just long enough the application to overcome the O Proportioning value is used to prevent rear wheel Lockup. Pressure differential if there is a leak switch is used to inform the driver in the system... ANSWER (9.) Option (B) is correct (16) Tach & NOTE - Vaccum boosters are system used to reduce the human effort on a brake pedal. This system uses engine vacuum during intake Stooke to evacuate the air in the chamber
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