NPORS 25 Practice Exam Questions &
Answers.
What is the correct method of mounting/ dismounting the machine? - CORRECT ANSWER Using
handholds and steps provided, using 3 points of contact facing the machine.
List 5 checks that must be made to the tracks and running gear during a pre-operational check -
CORRECT ANSWER Drive sprockets in good condition and secure, track plates undamaged, top and
bottom rollers move freely with no flat spots or leaks, idlers rotate and are in good condition, track
tension suitable for ground conditions, hydraulic motors and pipes in good condition and leak free,
tracks clear of lose debris.
At what intervals should your excavator be greased/ lubricated? - CORRECT ANSWER As stated in the
excavator operation and maintenance manual
What must the operator ensure when changing an attachment using a manual or semi-automatic quick
hitch system and why? - CORRECT ANSWER That the safety pin is replaced and secured, to ensure that
the attachment does not accidentally disconnect
Why should an operator not work "across the tracks" of the excavator at full radius? - CORRECT ANSWER
The excavator could become unstable leading to the machine tipping over
When excavating, how far from the excavation should the spoil be placed?
a) A distance equal to the depth of the excavation from the side of the excavation but no less than 1
metre
b) As close as possible from the edge of the excavation
c) At full radius of the excavators working area - CORRECT ANSWER a) A distance equal to the depth of
the excavation from the side of the excavation but no less than 1 metre
Where should the driver sprockets be when travelling the excavator across site?
a) At the front of the excavator when travelling
, b) It does not matter
c) At the rear of the excavator when travelling - CORRECT ANSWER c) At the rear of the excavator when
travelling
The pre-operational checks of the excavator are the responsibility of:
a) The operator
b) The site manager
c) The fitter/ service team - CORRECT ANSWER a) The operator
What colour are buried gas services?
a) Blue
b) Red
c) Yellow - CORRECT ANSWER c) Yellow
What information should the operator receive before the start of any excavation?
a) Contamination report on the ground
b) A permit to dig including location of any buried services
c) The excavators pre-operational check sheet - CORRECT ANSWER b) A permit to dig including location
of any buried services
Why is it important to travel with the boom low and the dipper arm folded in?
a) The operator has good visibility
b) The machine is more stable
c) The bucket will push obstacles out of the way - CORRECT ANSWER b) The machine is more stable
Hydraulic oil could be dangerous because?
a) It can cause skin complaints
b) It is flammable when mixed with diesel
c) It is dirty - CORRECT ANSWER a) It can cause skin complaints
Answers.
What is the correct method of mounting/ dismounting the machine? - CORRECT ANSWER Using
handholds and steps provided, using 3 points of contact facing the machine.
List 5 checks that must be made to the tracks and running gear during a pre-operational check -
CORRECT ANSWER Drive sprockets in good condition and secure, track plates undamaged, top and
bottom rollers move freely with no flat spots or leaks, idlers rotate and are in good condition, track
tension suitable for ground conditions, hydraulic motors and pipes in good condition and leak free,
tracks clear of lose debris.
At what intervals should your excavator be greased/ lubricated? - CORRECT ANSWER As stated in the
excavator operation and maintenance manual
What must the operator ensure when changing an attachment using a manual or semi-automatic quick
hitch system and why? - CORRECT ANSWER That the safety pin is replaced and secured, to ensure that
the attachment does not accidentally disconnect
Why should an operator not work "across the tracks" of the excavator at full radius? - CORRECT ANSWER
The excavator could become unstable leading to the machine tipping over
When excavating, how far from the excavation should the spoil be placed?
a) A distance equal to the depth of the excavation from the side of the excavation but no less than 1
metre
b) As close as possible from the edge of the excavation
c) At full radius of the excavators working area - CORRECT ANSWER a) A distance equal to the depth of
the excavation from the side of the excavation but no less than 1 metre
Where should the driver sprockets be when travelling the excavator across site?
a) At the front of the excavator when travelling
, b) It does not matter
c) At the rear of the excavator when travelling - CORRECT ANSWER c) At the rear of the excavator when
travelling
The pre-operational checks of the excavator are the responsibility of:
a) The operator
b) The site manager
c) The fitter/ service team - CORRECT ANSWER a) The operator
What colour are buried gas services?
a) Blue
b) Red
c) Yellow - CORRECT ANSWER c) Yellow
What information should the operator receive before the start of any excavation?
a) Contamination report on the ground
b) A permit to dig including location of any buried services
c) The excavators pre-operational check sheet - CORRECT ANSWER b) A permit to dig including location
of any buried services
Why is it important to travel with the boom low and the dipper arm folded in?
a) The operator has good visibility
b) The machine is more stable
c) The bucket will push obstacles out of the way - CORRECT ANSWER b) The machine is more stable
Hydraulic oil could be dangerous because?
a) It can cause skin complaints
b) It is flammable when mixed with diesel
c) It is dirty - CORRECT ANSWER a) It can cause skin complaints
