QUESTIONS AND VERIFIED
RESPONSES
Over speed trips and over speed governors require for testing? ✔ans Two independent speed measuring
devices are required when testing speed limiting governors and overspeed trips. A portable single range,
single scale, hand held tachometer is the preferred primary measurement device. Back up speed
verification can be accomplish by the unit installed tachometer
What material is resistant to petroleum based fluids? ✔ans Resistance to oil Buna N nitrile butadiene
Not compatible with oil based fluids Buna S Styrene butadiene
Distance between the teeth on a reduction gear? ✔ans Working depth. The depth to which the teeth of
a gear enter into their mating element space
Detecting Damaged teeth? Cannot be detected by a through visual inspection? ✔ans Use a thin coat of
Prussian blue Static checking method
Tooth contact determined by operation? Used to determine tooth contact for all operating conditions?
✔ans Red Dykem operational checking method
Advantage of centrifugal pumps? ✔ans Simplicity, compactness, weight saving, and adaptability to high
speed prime mover
Disadvantage to centrifugal pumps? ✔ans Lack of suction lift until the pump has been prime, and
sensitivity to variation in head and speed
Compress gas cylinders testing? ✔ans 12 years installed or stowed compressed gas cylinders that has
not been disturbed of discharged may remain installed or stowed up 12 years from its previous date of
hydrostatic testing. 5 years of a cylinder is discharged and 5 years have elapsed since the cylinder was
last tested the cylinder shall be hydrostatically tested prior to recharge
, When assembling gates valve, the gate shall be in the what position before the bonnet bolts are
tightened ? ✔ans Half open
Cold weather fuel blending is from? ✔ans 15 October to 15 April
The high side of an A C is from the outlet of the compressor? ✔ans To the inlet of a metering device T X
V
An example of an expendable would be? ✔ans Caps, plugs, O rings and safety wire
An example of consumable would be? ✔ans Rags, disposable gloves, oil, greases, solvents and adhesive
At what temperature does the BA 1 sensing module get ruined on a SAREX 2? ✔ans 130°
The SAREX 2 G P M oil water separator is a what type? ✔ans Is a two stage gravity coalescer type device
designed to separate and remove non soluble oil, solids entrained air from oily water
Tag out audit how often? ✔ans Bi weekly or once every two weeks
Awards recommendation form? ✔ans C G 1650
What engine requires 5% oil fuel mixture? ✔ans Volvo Penta
Wire rope or hawser wear areas may be painted or coated with? ✔ans Modified inorganic zinc only
Load test dynamic? ✔ans 125%
Load test static? ✔ans 200% not less than 10 minutes