Hand Tools And Measuring Devices

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| By Dr3wee
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Dr3wee
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Quizzes Created: 3 | Total Attempts: 5,594
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  • 1/15 Questions

    Which tool is used to measure the clearance between a surface plate and relatively narrow surface being checked for flatness?

    • Depth gauge.
    • Thickness gauge.
    • Dial indicator.
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Measurement Quizzes & Trivia
About This Quiz

Explore the essentials of mechanical tools and measuring devices through this quiz. It tests knowledge on using specific tools like dial indicators, thickness gauges, and micrometers for precise measurements in engineering tasks, enhancing both academic learning and practical skills.

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  • 2. 

    The clearance between the piston rings and the ring lands is measured with a

    • Micrometer caliper.

    • Thickness gauge.

    • Depth gauge.

    Correct Answer
    A. Thickness gauge.
    Explanation
    The clearance between the piston rings and the ring lands refers to the gap or space between them. To measure this clearance accurately, a tool that can measure thickness is required. A micrometer caliper is primarily used to measure external dimensions, such as the diameter of an object, and may not be suitable for measuring the gap between the rings and ring lands. A depth gauge, on the other hand, is used to measure the depth of a hole or recess and is not suitable for measuring clearances. Therefore, a thickness gauge would be the most appropriate tool for measuring the clearance between the piston rings and the ring lands.

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  • 3. 

    Which number represents the vernier scale graduation of a micrometer?

    • .00001

    • .001

    • .0001

    Correct Answer
    A. .0001
    Explanation
    The correct answer is .0001. In a micrometer, the vernier scale is used to measure small distances with great precision. The vernier scale graduation represents the smallest unit of measurement that can be read on the instrument. In this case, the vernier scale graduation is .0001, indicating that the micrometer can measure to the nearest ten-thousandth of an inch or millimeter.

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  • 4. 

    Which tool can be used to measure the alignment of a rotor shaft or the plane of rotation of a disk?

    • Dial indicator.

    • Shafter gauge.

    • Protractor.

    Correct Answer
    A. Dial indicator.
    Explanation
    A dial indicator is a tool commonly used to measure the alignment of a rotor shaft or the plane of rotation of a disk. It consists of a needle that moves in response to small changes in position, allowing for precise measurements. This tool is often used in mechanical engineering and industrial applications to ensure that rotating components are properly aligned, which is crucial for smooth operation and preventing damage or excessive wear. The other options, shaft gauge and protractor, are not specifically designed for this purpose and may not provide the same level of accuracy and reliability as a dial indicator.

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  • 5. 

    Which tool is used to find the center of a shafter or other cylindrical work?

    • Combination set.

    • Dial indicator.

    • Micrometer caliper.

    Correct Answer
    A. Combination set.
    Explanation
    A combination set is a tool that is commonly used to find the center of a shaft or cylindrical workpiece. It consists of a ruler, a protractor, and a level. The ruler is used to measure the length of the workpiece, the protractor is used to measure angles, and the level is used to ensure that the workpiece is level. By using these tools in combination, one can accurately determine the center of the shaft or cylindrical work.

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  • 6. 

    The side clearances of piston rings are measured with a

    • Micrometer caliper gauge.

    • Thickness gauge.

    • Dial gauge.

    Correct Answer
    A. Thickness gauge.
    Explanation
    The side clearances of piston rings are measured with a thickness gauge. This is because a thickness gauge allows for precise measurement of the gap between the piston ring and the cylinder wall. It is important to have the correct side clearance to ensure proper functioning of the piston ring, as too much clearance can lead to oil leakage and reduced compression, while too little clearance can cause excessive friction and wear. Using a thickness gauge helps ensure accurate and consistent measurements, allowing for optimal performance of the piston rings.

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  • 7. 

    What tool is generally used to calibrate a micrometer or check its accuracy?

    • Gauge block.

    • Dial indicator.

    • Mechinist scale.

    Correct Answer
    A. Gauge block.
    Explanation
    A gauge block is a precision measurement tool that is commonly used to calibrate a micrometer or check its accuracy. Gauge blocks are made from high-quality materials and have extremely accurate dimensions. By comparing the measurements taken with the micrometer to the known dimensions of the gauge block, any discrepancies or inaccuracies in the micrometer can be identified and corrected. This ensures that the micrometer is providing accurate and reliable measurements. Dial indicators and machinist scales are not typically used for calibrating micrometers.

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  • 8. 

    What precision measuring tool is used for measuring crankpin and main bearing journals for out-of-round wear?

    • Dial gauge.

    • Micrometer caliper.

    • Depth gauge.

    Correct Answer
    A. Micrometer caliper.
    Explanation
    A micrometer caliper is a precision measuring tool that is specifically designed for measuring small dimensions with high accuracy. It is commonly used in engineering and machining applications to measure the diameter of cylindrical objects, such as crankpin and main bearing journals. Out-of-round wear refers to the deviation from a perfect circular shape, and a micrometer caliper is capable of measuring this accurately. Therefore, it is the most suitable tool for measuring crankpin and main bearing journals for out-of-round wear.

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  • 9. 

    Which tool can be used to determine piston pin out-of-round wear?

    • Telescopic gauge.

    • Micrometer caliper.

    • Dial indicator.

    Correct Answer
    A. Micrometer caliper.
    Explanation
    A micrometer caliper is the appropriate tool to determine piston pin out-of-round wear. A micrometer caliper is a precision measuring instrument that can accurately measure small distances and diameters. It is specifically designed to measure the thickness of objects and can be used to measure the diameter of the piston pin. By measuring the diameter at different points along the pin, any out-of-round wear can be detected. Telescopic gauges and dial indicators are not suitable for this purpose as they are not designed to measure small diameters with the same level of precision as a micrometer caliper.

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  • 10. 

    What tool is generally used to set a divider to an exact dimension?

    • Mechanist scale.

    • Surface gauge.

    • Dial indicator.

    Correct Answer
    A. Mechanist scale.
    Explanation
    A mechanist scale is generally used to set a divider to an exact dimension. This tool is commonly used in machining and engineering to measure and mark precise distances. It consists of a ruler with evenly spaced markings, allowing for accurate measurements and adjustments. A mechanist scale is an essential tool for achieving precise dimensions in various applications, making it the correct answer in this case.

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  • 11. 

    The twist of a connecting rod is checked by installing push-fit arbors in both ends, supported by parallel steel bars on a surface plate. Measurements are taken between the rbor and the parallel bar with a

    • Dial gauge.

    • Height gauge.

    • Thickness gauge.

    Correct Answer
    A. Thickness gauge.
    Explanation
    The twist of a connecting rod is checked by installing push-fit arbors in both ends, supported by parallel steel bars on a surface plate. Measurements are taken between the arbor and the parallel bar with a thickness gauge. A thickness gauge is used to measure the distance between two surfaces and is suitable for measuring the twist of a connecting rod in this scenario. A height gauge is used to measure the height or depth of an object, while a dial gauge is used to measure small linear displacements. Therefore, the most appropriate tool for this task is a thickness gauge.

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  • 12. 

    How can the dimensional inspection of a bearing in a rocker arm be accomplished?

    • Depth gauge and micrometer.

    • Thickness gauge and push-fit arbor.

    • Telescopic gauge and micrometer.

    Correct Answer
    A. Telescopic gauge and micrometer.
    Explanation
    The dimensional inspection of a bearing in a rocker arm can be accomplished using a telescopic gauge and micrometer. A telescopic gauge is used to measure the internal diameter of the bearing, while a micrometer is used to measure the external diameter. By comparing the measurements obtained from both tools, one can determine if the bearing is within the desired specifications. This combination of tools allows for accurate and precise measurement of the bearing dimensions.

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  • 13. 

    Identify the correct statement.

    • An outside micrometer is limited to measuring diameters.

    • Tools used on certificated aircraft must be approved type.

    • Dividers do not provide a reading when used as a measuring device.

    Correct Answer
    A. Dividers do not provide a reading when used as a measuring device.
    Explanation
    Dividers are a type of measuring tool that is used to transfer measurements or mark distances. Unlike other measuring devices such as micrometers or calipers, dividers do not have a scale or any markings that provide a direct reading of measurements. Instead, they rely on the user to visually estimate or compare distances. Therefore, the statement that dividers do not provide a reading when used as a measuring device is correct.

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  • 14. 

    If it is necessary to accurately measure the diameter of a hole approximately 1/4 inch in diameter, the mechanic should use a 

    • Telescoping gauge and determine the size of the hole by taking a micrometer reading of the adjustable end of the telescoping gauge.

    • 0 to 1- inch inside micrometer and read the measurement directly from the micrometer.

    • Small-hole gauge and determine the size of the hole by taking a micrometer reading of the ball end of the gauge.

    Correct Answer
    A. Small-hole gauge and determine the size of the hole by taking a micrometer reading of the ball end of the gauge.
    Explanation
    The mechanic should use a small-hole gauge and determine the size of the hole by taking a micrometer reading of the ball end of the gauge. This is because a small-hole gauge is specifically designed for accurately measuring small holes, such as the 1/4 inch diameter hole mentioned in the question. The ball end of the gauge allows for precise measurement and the micrometer reading ensures accuracy in determining the size of the hole. Using a telescoping gauge or a 0 to 1-inch inside micrometer would not be as suitable for measuring a small hole of this size.

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  • 15. 

    What may be used to check the stem on a poppet- type valve for stretch?

    • Dial indicator.

    • Micrometer.

    • Telescoping gauge.

    Correct Answer
    A. Micrometer.
    Explanation
    A micrometer may be used to check the stem on a poppet-type valve for stretch. A micrometer is a precision measuring instrument that can accurately measure small distances or thicknesses. In this case, it can be used to measure the diameter of the valve stem and compare it to the manufacturer's specifications. If the stem has stretched beyond the acceptable limit, it may indicate wear or damage, and the valve may need to be replaced. A dial indicator and telescoping gauge are not typically used for measuring the stretch on a valve stem.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 03, 2011
    Quiz Created by
    Dr3wee

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