WorksheetsALMU-0203
Total questions: 12
Worksheet time: 6mins
What percentage by volume of SAE 10W-30 is SAE 30?
0%
25%
50%
100%
When your gearbox (Reduction Ratio = 14), is requiring lubricating oil with viscosity is 1000 SUS at 100 degree F. Which one of the following lubricant specification will working well?
SAE 140, API GL-5
DIN 51524 HL, ISO VG 220
ISO 6743-6 L-CKD, ISO VG 220
DIN 51517 CLP, ISO VG 1000
Rotor position and profile at condition (b), is considered as:
Stop Condition
Start-Up Condition (Low RPM)
Full Speed Condition
Which one is correct formula (graph), to describe Stribeck Curve, when: Z = oil viscosity; N = Rotor RPM; P = Rotor Load; f = Friction Coefficient; VS : (plotted versus)
f VS ZN/P
f VS P/ZN
f VS ZNP
f VS ZP/N
Which one is correct formula to describe Fluid Dynamic on two relative moving surfaces which separated by fluid (oil), when: T = Shear stress; u = Oil viscosity; dv = speed; dy = film thickness (oil layer); (~ : equal to)
T ~ u.dy/dv
T ~ u.dv/dy
T ~ u.dv.dy
T ~ 1/u . dv/dy
Which of the following codification represent the highest NLGI consistency
Block Grease
ISO 460
000
18/16/13
The amount of additive in a finished formulated lubricating oil can range from
0.1 to 30 percent
0 to only 10 percent
10 to 50 percent
50 to 100 percent
Which one of the following condition, that representing Hydrodynamic lubrication condition?
I
II
III
Some additive have a polar (electrical) nature which
Suggest they are used for low temperature improvement
Indicates that they are totally paraffinic
Helps the additive anchor to metal surfaces, cling to particles and water droplets
Suggest they are dangerous to handle
Which document of API which categorizing Base Oil product into 5 groups?
API 682
API 1509
API 614
API 2017
Full Fluid Film Lubrication = Hydrodynamic Lubrication Regime
True
False
[Most common thickener grease] – [The best thickener for water resistance performance] – [Excellent Work Stability]
[Lithium] – [Sodium] – [ Calcium]
[Lithium Complex] – [Aluminum] – [Lithium Complex]
[Lithium Complex] – [Aluminum] – [Aluminum Complex]
[Aluminum] – [Lithium Complex] – [Aluminum Complex]
