EXAM ACTUAL UPDATED
QUESTIONS AND CORRECT ANSWERS
What is an example of controlling a hazard through engineering controls? - CORRECT
ANSWERS✅✅A substitution of equipment to remove the hazard
Paraphrasing while listening to a speaker's message reassures the speaker that you are
listening to them. (T/F) - CORRECT ANSWERS✅✅True
A pressure gauge is installed with a shut-off valve and a tee to the main line. When is the
shut-off valve opened? - CORRECT ANSWERS✅✅It is opened only when a pressure
reading is taken
A technician will find that a ___________ is the most accurate way of checking the
crankshaft endplay. - CORRECT ANSWERS✅✅Dial indicator
A bolt head with three marks means that it has ________ psi rating. - CORRECT
ANSWERS✅✅120000
When a technician is rebuilding an engine, the most common reason for rejecting a cylinder
head is that it: - CORRECT ANSWERS✅✅has some cracks in it
With HST configurations, the terms open and closed systems refer to: - CORRECT
ANSWERS✅✅the way in which the hydraulic lines connect system components
If the camshaft is replaced on a non-roller lifter pushrod engine then it is important that a
complete set of new ________ also be installed. - CORRECT ANSWERS✅✅lifters
A bolt has the following information stamped on it "M12 X 2 X 60". What does the 12 stand
for? - CORRECT ANSWERS✅✅Diameter
With hydraulic systems the velocity of the liquid passing through the small sections of the
pipe is __________ the velocity through the wider sections. - CORRECT
ANSWERS✅✅greater than
All torque wrenches are tested at the ___% range. - CORRECT ANSWERS✅✅100
What is the included point of angle of a centre punch? - CORRECT ANSWERS✅✅60
Heavy grease is an excellent lubricant for wire rope. (T/F) - CORRECT
ANSWERS✅✅False
The crankshaft for a six-cylinder four-stroke-cycle in-line engine will have a spacing of ___
degrees between rod journals. - CORRECT ANSWERS✅✅90
In an open circuit HST system, the path of oil flow _____ continuous. - CORRECT
ANSWERS✅✅is not
, The pressure at which the pump discharges oil in an open centre hydraulic system is a
function of: - CORRECT ANSWERS✅✅load resistance
When determining piston size you should measure the piston: - CORRECT
ANSWERS✅✅at 90 degrees to the piston pin half inch up from the bottom of the skirt
What causes the lack of lubrication in a hydraulic system? - CORRECT
ANSWERS✅✅severe aeration
low reservoir oil level
improper hydraulic oil
The term "bearing spread" refers to the: - CORRECT ANSWERS✅✅shell being
manufactured slightly larger than the bore
When the connecting rod and piston are taken from the cylinder head, the first thing that must
be removed is the: - CORRECT ANSWERS✅✅piston rings
What would most likely be a barrier to communication created by the message receiver? -
CORRECT ANSWERS✅✅rambling
If the cleaning process of an engine is to soak it in a heated caustic solution it is important not
to put _________ in the solution. - CORRECT ANSWERS✅✅aluminum components
Advancing the camshaft of an engine will produce: - CORRECT ANSWERS✅✅increased
power-output at high speeds
Upon inspection of a connecting rod the technician notices that the rod has a slight
discoloration on the machined surfaces. This is an indication of: - CORRECT
ANSWERS✅✅overheating
What does a cylinder cycle time test tell you? - CORRECT ANSWERS✅✅the speed the
cylinder is moving at
What best describes/is a characteristic of brass? - CORRECT ANSWERS✅✅it is used for
bushings and radiator cores
How much glycol does a water glycol fluid contain by percentage? - CORRECT
ANSWERS✅✅60
When combustion occurs in an engine, the force on the piston is transferred to the crankshaft
via the: - CORRECT ANSWERS✅✅connecting rod
What is dither? - CORRECT ANSWERS✅✅the slight vibration of a spool
The acronym PASS outlines the proper use of a portable extinguisher. What does it stand for?
- CORRECT ANSWERS✅✅Pull the pin
Aim the nozzle
Squeeze the handle