Union Pacific Air Brakes Exam
Questions with 100% Correct
Answers
What type of air brake test is required when cars are picked up en route, which are not
a solid block? - Answer-Class I, Initial Terminal Air Brake Test
What is required if qualified employees other than that train's crew have completed the
initial terminal air brake test? - Answer-Required information must be entered on an
*"Air Brake Test Form"* and left on the controlling unit.
What information must be included on the air slip, (Air Brake Test Form)? - Answer-
Name of inspector, date and time test completed, location where test performed, and
number of cars inspected.
What can be used in lieu of an Air Brake Test Form if one is not available? - Answer-
Use space provided by conductor/engineer on train documentation.
What is the maximum mileage a Cycle Train may operate before another
Class I Air Brake Test must be performed? - Answer-3000 miles
What test must be performed on a Cycle Train every 1000 miles? - Answer-Class 1A
Who can perform a Class I inspection on an "Extended Haul" train? - Answer-Qualified
Mechanical Inspector
List the reasons a "Light Engine Running Air Brake Test" would have to be performed? -
Answer-An engineer must perform this air test when: Taking charge of engine not
coupled to other equipment and originally made up and tested by other than the
assigned engineer or
Controlling ends have been changed.
What test could be done in place of a "Light Engine Running Air Brake Test"? - Answer-
A "Standing Locomotive Air Brake Test" may be performed when the Light Engine
Running Air Brake Test is not practical.
, What is a *Transfer Train Movement*? - Answer-A train making transfer movements not
exceeding *20 miles in one direction*.
What is a Class III Brake Test? - Answer-Application and Release Test
A "Class III Brake Test" must be performed when: - Answer-Test must be conducted
when: Any change is made to a locomotive consist, A caboose is changed, Picking up a
block of previously tested cars that have not been off air for more than 4 hours, Helper
locomotives are added anywhere in the train or removed from other than the rear end of
the train, One or more consecutive cars are set out of the train, Defective equipment is
set out of train, or Rearranging previously tested cars in train for hazardous materials,
train make-up, or helper placement.
Who is responsible for performing the necessary air brake tests on a locomotive if
inspection forces are not available? - Answer-An engineer taking charge of a
locomotive.
When must a locomotive consist air brake test be completed? - Answer-Making up a
locomotive consist, Adding locomotive to a consist, Other than rear locomotive is
removed from consist, Locomotive consist is rearranged, or Changing operating ends of
a consist.
Locomotive speed indicators must be accurate within how many MPH of actual speed?
- Answer-±3 MPH at speeds between 10 and 30 MPH.
±5 MPH at speeds above 30 MPH.
Can the air brake system be depended upon to prevent an undesired movement? -
Answer-No
On a descending grade with slack bunched, where would the hand brakes be applied? -
Answer-On low end
On a ascending grade with slack stretched, where would the hand brakes be applied? -
Answer-On high end
What position must retaining valves remain in? - Answer-EX, (Exhaust Position)
After applying handbrakes in the proper place, what must be done to verify the hand
brake(s) applied will prevent movement? - Answer-By releasing all air brakes.
What government agency regulates the inspection and testing of brake equipment on
railroad locomotives and cars? - Answer-Federal Railroad Administration (FRA)
Questions with 100% Correct
Answers
What type of air brake test is required when cars are picked up en route, which are not
a solid block? - Answer-Class I, Initial Terminal Air Brake Test
What is required if qualified employees other than that train's crew have completed the
initial terminal air brake test? - Answer-Required information must be entered on an
*"Air Brake Test Form"* and left on the controlling unit.
What information must be included on the air slip, (Air Brake Test Form)? - Answer-
Name of inspector, date and time test completed, location where test performed, and
number of cars inspected.
What can be used in lieu of an Air Brake Test Form if one is not available? - Answer-
Use space provided by conductor/engineer on train documentation.
What is the maximum mileage a Cycle Train may operate before another
Class I Air Brake Test must be performed? - Answer-3000 miles
What test must be performed on a Cycle Train every 1000 miles? - Answer-Class 1A
Who can perform a Class I inspection on an "Extended Haul" train? - Answer-Qualified
Mechanical Inspector
List the reasons a "Light Engine Running Air Brake Test" would have to be performed? -
Answer-An engineer must perform this air test when: Taking charge of engine not
coupled to other equipment and originally made up and tested by other than the
assigned engineer or
Controlling ends have been changed.
What test could be done in place of a "Light Engine Running Air Brake Test"? - Answer-
A "Standing Locomotive Air Brake Test" may be performed when the Light Engine
Running Air Brake Test is not practical.
, What is a *Transfer Train Movement*? - Answer-A train making transfer movements not
exceeding *20 miles in one direction*.
What is a Class III Brake Test? - Answer-Application and Release Test
A "Class III Brake Test" must be performed when: - Answer-Test must be conducted
when: Any change is made to a locomotive consist, A caboose is changed, Picking up a
block of previously tested cars that have not been off air for more than 4 hours, Helper
locomotives are added anywhere in the train or removed from other than the rear end of
the train, One or more consecutive cars are set out of the train, Defective equipment is
set out of train, or Rearranging previously tested cars in train for hazardous materials,
train make-up, or helper placement.
Who is responsible for performing the necessary air brake tests on a locomotive if
inspection forces are not available? - Answer-An engineer taking charge of a
locomotive.
When must a locomotive consist air brake test be completed? - Answer-Making up a
locomotive consist, Adding locomotive to a consist, Other than rear locomotive is
removed from consist, Locomotive consist is rearranged, or Changing operating ends of
a consist.
Locomotive speed indicators must be accurate within how many MPH of actual speed?
- Answer-±3 MPH at speeds between 10 and 30 MPH.
±5 MPH at speeds above 30 MPH.
Can the air brake system be depended upon to prevent an undesired movement? -
Answer-No
On a descending grade with slack bunched, where would the hand brakes be applied? -
Answer-On low end
On a ascending grade with slack stretched, where would the hand brakes be applied? -
Answer-On high end
What position must retaining valves remain in? - Answer-EX, (Exhaust Position)
After applying handbrakes in the proper place, what must be done to verify the hand
brake(s) applied will prevent movement? - Answer-By releasing all air brakes.
What government agency regulates the inspection and testing of brake equipment on
railroad locomotives and cars? - Answer-Federal Railroad Administration (FRA)
