NPORS 25 Test Questions and
Answers Complete 100%
What is the correct method of mounting/ dismounting the machine? - 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 - 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? - 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? - 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? - 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 - 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 - 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 - a) The operator
What colour are buried gas services?
a) Blue
b) Red
c) Yellow - 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 - 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 - 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 - a) It can cause skin complaints
What is the minimum exclusion zone distance from 275 kV overhead power cables mounted on
metal pylons as stated in GS6?
a) 7 metres plus the working radius of the excavator
b) 15 metres plus the working radius of the excavator
c) 26 metres plus the working radius of the excavator - a) 7 metres plus the working radius of the
excavator
Answers Complete 100%
What is the correct method of mounting/ dismounting the machine? - 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 - 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? - 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? - 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? - 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 - 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 - 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 - a) The operator
What colour are buried gas services?
a) Blue
b) Red
c) Yellow - 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 - 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 - 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 - a) It can cause skin complaints
What is the minimum exclusion zone distance from 275 kV overhead power cables mounted on
metal pylons as stated in GS6?
a) 7 metres plus the working radius of the excavator
b) 15 metres plus the working radius of the excavator
c) 26 metres plus the working radius of the excavator - a) 7 metres plus the working radius of the
excavator
