Which device shown in the illustration...

Question 1 of 270705eccefa1bacbc34ba4d476bf

Which device shown in the illustration should be used to check valve clearances in a diesel engine fitted with solid lifters? See illustration GS-0073.

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Question 1 of 27070

Which device shown in the illustration should be used to check valve clearances in a diesel engine fitted with solid lifters? See illustration GS-0073.

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🔍 Key Concepts

• Valve clearance (valve lash) is the small gap between the rocker arm and valve stem on engines with solid lifters. • The correct tool must be able to measure a narrow gap between two metal surfaces rather than overall length, depth, or diameter. • Compare what each illustrated tool normally measures: thickness of a gap, depth from a surface, outside diameter, or inside/linear dimensions.

💭 Think About

• When checking valve clearances, are you measuring the depth of a hole, the outside diameter of a part, or the thickness of a small clearance between two parts? • Look at each tool in the illustration and think about how you would actually place it between the rocker arm and valve stem—can it physically slide into the small gap? • Which tool is commonly used in routine tune‑ups on small diesel or gasoline engines to set valve lash and spark plug gaps?

✅ Before You Answer

• Verify which device is specifically designed to measure very thin gaps or clearances between flat surfaces. • Confirm that the tool you choose can provide readings in the thousandths of an inch or hundredths of a millimeter suitable for valve settings. • Eliminate any tools that are mainly used for measuring depth, outside diameter, or general length rather than clearances between two contacting parts.