MAINE (ME) LARGE EQUIPMENT INSTALLATION &
SERVICE TECHNICIAN VERIFIED EXAMINATION
COMPLETE QUESTIONS AND DETAILED SOLUTIONS
LATEST UPDATE
What are the 2 fundamental concerns that must be
addressed in the foundation of any industrial engine? -
Answer-1. keep the block or base of the engine or crank
shaft free of distortion
2. when the engine drives a load, it must be aligned to the
engine crank shaft
To reduce the likelihood of installation problems, how
much more mass should the foundation have over the
machinery it is holding? - Answer-2 1/2 times more mass.
Foundation of equipment should rest on an adequate
base.
true or false. - Answer-True
In a properly engineered installation, the engine
foundation is seperated from the building by
_____________________. - Answer-isolators
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Isolators that isolate an equipment's foundation may be
made of what materials and how thick are they typically? -
Answer-3/4" thick and made of rubber or wood.
The foundation a engine or piece of equipment is called
what? - Answer-inertia block
What is a major cause of foundation failure? How can this
failure be prevented? - Answer-Foundation impregnation
with oil or water. This can be prevented with high quality
concrete sealers.
Name a true characteristic of a machinery foundation:
A) must be 1 1/2 times or more the mass of the equipment
B) must be allowed to expand freely and evenly along with
the machine that is bolted to it.
C) made up of multiple segments to allow for the
foundations movement
D) sealed with oil to repel water. - Answer-B) must be
allowed to expand freely and evenly along with the
machine that is bolted to it.
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What 3 main issues can arise when from inadequate
engine foundation and mounting? - Answer-1. machine
misalignment
2. machine and building vibration
3. machine torsional stress
What method of machinery mounting is used so that
vibration transfer is minimal? - Answer-Skid mounting with
vibration isolators.
What is the basic function of a vibration isolator? - Answer-
Isolates vibration from the equipment from other
machinery in the plant.
When receiving a shipment of equipment what must you
do before accepting it? - Answer-account for all pieces of
equipment, hardware, seals etc. Cross reference these
items against the packing list and inspect the shipment for
any damage.
To ensure proper engine installation you should:
A) make sure the engine cranks freely
B) retorque all bolts in reference to manual