General Studies · IC Engine Lubrication System
Which of the following pairs represent valid standard single-grade SAE viscosity classifications for engine oils?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1SAE 65, SAE 75
- 2SAE 45, SAE 55
- 3SAE 22, SAE 28
- 4SAE 30, SAE 40✓
Correct answer
SAE 30, SAE 40
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