LCS 2 EPT Exam Questions and
Answers
MPAC oil type? - Answer-RARUS 427
How do you conduct a BS&W for L/O - Answer-1. 50ml L/O and 50 ml BIOTEK in each tube(
PD-650/HISOLV)
2. SPIN FOR 30 min @1500 RPM
3. ADD BOTH TUBES TOGETHER FOR RESULTS
4. SAT = <0.1% SEDIMENT & < 0.2% COMBINED
WHAT DO YOU TEST FOR IN A DIESEL ENGINE SAMPLE - Answer-VISCOSITY AND ACIDITY
When do you conduct acidity on Diesel engine? What are the parameters for this test? - Answer-High
speed engines >1500rpm (ssdg & hpm) 100 hrs +_ 10hrs
Low/medium speed engines< 1500 rpm (mpde) 400 hrs +_50hrs
Blue=sat
Green and yellow =unsat
, When do you conduct viscosity test on diesel engines? What are the parameters for this test? - Answer-
Daily on operating engines <2% SAT for dilution
3% warning
4% CO permission
5% OOC
40% max thickening
Name all L/O samples taken on midwatch - Answer-MRG, Thrust bearings, online MPDE/SSDG
MRG sample is cloudy and it clears from top to bottom. What does this indicate? What if it clears from
bottom to top - Answer-Top to bottom: water
Bottom to top: air
How often are MPAC L/O samples taken? - Answer-Weekly
Name all the L/O and F/O tanks in AMR 5(there are 8) - Answer-NR 1 GT F/O Service
NR 2 GT F/O Service
NR 1 MPDE F/O service
NR 2 MPDE F/O Service
L/O Storage
Hydraulic oil storage
Dirty oil holding
Waste oil
How much F/O is used to conduct CFD on F-76 and what are the parameters of the CFD? - Answer-
200ml, the max is 2.64mg/L
Answers
MPAC oil type? - Answer-RARUS 427
How do you conduct a BS&W for L/O - Answer-1. 50ml L/O and 50 ml BIOTEK in each tube(
PD-650/HISOLV)
2. SPIN FOR 30 min @1500 RPM
3. ADD BOTH TUBES TOGETHER FOR RESULTS
4. SAT = <0.1% SEDIMENT & < 0.2% COMBINED
WHAT DO YOU TEST FOR IN A DIESEL ENGINE SAMPLE - Answer-VISCOSITY AND ACIDITY
When do you conduct acidity on Diesel engine? What are the parameters for this test? - Answer-High
speed engines >1500rpm (ssdg & hpm) 100 hrs +_ 10hrs
Low/medium speed engines< 1500 rpm (mpde) 400 hrs +_50hrs
Blue=sat
Green and yellow =unsat
, When do you conduct viscosity test on diesel engines? What are the parameters for this test? - Answer-
Daily on operating engines <2% SAT for dilution
3% warning
4% CO permission
5% OOC
40% max thickening
Name all L/O samples taken on midwatch - Answer-MRG, Thrust bearings, online MPDE/SSDG
MRG sample is cloudy and it clears from top to bottom. What does this indicate? What if it clears from
bottom to top - Answer-Top to bottom: water
Bottom to top: air
How often are MPAC L/O samples taken? - Answer-Weekly
Name all the L/O and F/O tanks in AMR 5(there are 8) - Answer-NR 1 GT F/O Service
NR 2 GT F/O Service
NR 1 MPDE F/O service
NR 2 MPDE F/O Service
L/O Storage
Hydraulic oil storage
Dirty oil holding
Waste oil
How much F/O is used to conduct CFD on F-76 and what are the parameters of the CFD? - Answer-
200ml, the max is 2.64mg/L
