AUMT 1410SEC4 Exam Questions Part 3 Questions with Correct Answers
Question 1:
Power brake boosters are being discussed:
Technician A says power brake boosters do not alter the basic brake system.
Technician B says all boosters have a power reserve to provide at least one power-assisted stop
if power is lost.
Who is correct?
Answer:
A only
Question 2:
Technician A says that when the brakes are released, vacuum is on both sides of the booster
diaphragm. Technician B says that when the brakes are released, atmospheric pressure may be
on one side of the booster diaphragm. Who is correct?
Answer:
A only
Question 3:
Technician A says that vacuum is exhausted through the check valve from the booster as soon
as the engine is turned off. Technician B says that vacuum is on both sides of the booster
diaphragm when the engine is turned off. Who is correct?
Answer:
B only
Question 4:
Technician A says that a hydro-boost system uses brake fluid for the booster. Technician B says
the hydro-boost system uses power steering fluid for the brakes. Who is correct?
Answer:
Neither A nor B
Question 5:
Technician A says that sometimes vacuum is on both sides of the diaphragm in a vacuum
booster. Technician B says that sometimes vacuum is on one side of the diaphragm in a vacuum
booster. Who is correct?
, Answer:
Both A and B
Question 6:
Technician A says the amount of braking power from a vacuum booster is directly related to the
area of the diaphragm. Technician B says a booster with a small diaphragm would provide more
power assist. Who is correct?
Answer:
A only
Question 7:
The BA system is being discussed: Technician A says that the BA system can build pressure in
the brake system rapidly in case of a panic stop. Technician B says that the BA system can make
a difference between vehicle control and a possible accident. Who is correct?
Answer:
Both A and B
Question 8:
Technician A says if the EHB should fail completely, the vehicle will have to be towed to the
nearest shop. Technician B says the driver can stop the vehicle but may have to press on the
pedal harder than normal. Who is correct?
Answer:
B only
Question 9:
Technician A says that the EHB system is a direct power booster. Technician B says the EHB and
the BA units share information with the ABS, TCS, and electronic suspension. Who is correct?
Answer:
B only
Question 10:
Tandem brake boosters are being discussed:
Technician A says tandem diaphragm boosters use one large diaphragm.
Technician B says that a tandem diaphragm can provide more brake boosting power in a
smaller housing. Who is correct?
Question 1:
Power brake boosters are being discussed:
Technician A says power brake boosters do not alter the basic brake system.
Technician B says all boosters have a power reserve to provide at least one power-assisted stop
if power is lost.
Who is correct?
Answer:
A only
Question 2:
Technician A says that when the brakes are released, vacuum is on both sides of the booster
diaphragm. Technician B says that when the brakes are released, atmospheric pressure may be
on one side of the booster diaphragm. Who is correct?
Answer:
A only
Question 3:
Technician A says that vacuum is exhausted through the check valve from the booster as soon
as the engine is turned off. Technician B says that vacuum is on both sides of the booster
diaphragm when the engine is turned off. Who is correct?
Answer:
B only
Question 4:
Technician A says that a hydro-boost system uses brake fluid for the booster. Technician B says
the hydro-boost system uses power steering fluid for the brakes. Who is correct?
Answer:
Neither A nor B
Question 5:
Technician A says that sometimes vacuum is on both sides of the diaphragm in a vacuum
booster. Technician B says that sometimes vacuum is on one side of the diaphragm in a vacuum
booster. Who is correct?
, Answer:
Both A and B
Question 6:
Technician A says the amount of braking power from a vacuum booster is directly related to the
area of the diaphragm. Technician B says a booster with a small diaphragm would provide more
power assist. Who is correct?
Answer:
A only
Question 7:
The BA system is being discussed: Technician A says that the BA system can build pressure in
the brake system rapidly in case of a panic stop. Technician B says that the BA system can make
a difference between vehicle control and a possible accident. Who is correct?
Answer:
Both A and B
Question 8:
Technician A says if the EHB should fail completely, the vehicle will have to be towed to the
nearest shop. Technician B says the driver can stop the vehicle but may have to press on the
pedal harder than normal. Who is correct?
Answer:
B only
Question 9:
Technician A says that the EHB system is a direct power booster. Technician B says the EHB and
the BA units share information with the ABS, TCS, and electronic suspension. Who is correct?
Answer:
B only
Question 10:
Tandem brake boosters are being discussed:
Technician A says tandem diaphragm boosters use one large diaphragm.
Technician B says that a tandem diaphragm can provide more brake boosting power in a
smaller housing. Who is correct?