81. Error of measuring equipment is
(a) the closeness with which a measure-ment can be read directly from a measuring instrument.
(b) a measure of how close the reading is to the true size
(c) the difference between measured value and actual value
(d) the smallest change in measureand that can be measured
(e) the capability to indicate the same reading again and again for a given measureand.
82. Which of the following is not provided on combination set
(a) centre head
(b) protractor head
(c) vernier scale
(d) spirit level
(e) squaring head.
83. Universal surface gauge is used
(a) for flatness testing
(b) for layout work and inspection
(c) for measuring profile of complex sur-face
(d) for measuring surface roughness
(e) for measuring concavity of surface.
84. Accuracy is
(a) the repeatability of a measuring process
(b) error of judgement in recording an ob-servation
(c) the ability of instrument to reproduce same reading under identical situations
(d) agreement of the result of a measure-ment with the true value of the measured quantity
(e) the least resolution of an instrument.
85. Random errors follow the following distribution
(a) claussian
(b) hyperbolic
(c) parabolic
(d) t- student
(e) p-distribution.
86. Which one of the following is the least accurate measuring device
(a) air gauge
(b) micrometer screw gauge
(c) optical projector
(d) vernier micrometer
(e) steel scale.
87. Pick up the wrong statement:
(a) Accuracy of an instrument is closeness to the true dimension
(b) Precision represents the degree of repetitiveness.
(c) Sensitivity refers to minimum change in value that the instrument can reliab¬ly indicate.
(d) As the sensitivity of an instrument in-crease, its range of measurement also increases.
(e) If an instrument is not precise it will give different results for same dimen¬sion when measured again and again.
88. Fiducial indicators contain
(a) calibrated scale
(b) a single index mark
(c) micrometer screw movement
(d) optical head
(e) interferometric devices.
89. A comparator for its working depends on
(a) accurately calibrated scale
(b) comparison with standard such as slip gauges
(c) accurate micrometer gauge
(d) optical devices
(e) determining zero error of scale correct-
90. Precision is
(a) the repeatability of a measuring process
(b) agreement of the result of a measure-ment with the true value of the measured quantity
(c) the ability of a measuring device to detect small differences in a quantity being measured
(d) the ability of .an instrument to reproduce same reading under identi¬cal conditions
(e) error of judgment in reading an obser-vation.
91. The thickness of oil film at the surface of slip gauges is of the order of
(a) .005 micron
(b) .1 micron
(c) 1 micron
(d) 10 microns
(e) 100 microns.
92. Pick up the wrong statement. Surface plates are usually made of granite because of following advantages
(a) because of long period of time for relaxing, it is free from built in residual stresses. There is no corrosion effect also.
(b) there is less tendency for it to warp
(c) if a tool or workpiece drops accidently over its surface, residual stresses are not induced
(d) it simply powders somewhat at the point of impact by falling object
(e) it enables the phenomenon of wringing flat surfaces over it.
93. Pick up the wrong statement.
(a) Error is the disagreement between the result of measurement and actual value.
(b) Random error are regularly repetitive in nature and result from improper conditions or procedures that are con-sistant in action
(c) Parasitic error results from incorrect execution of measurement.
(d) Uncertainty of measurement repre-sents the dispersion of the result of measurement defined by the limits of. the error.
(e) Absolute error is the algebraic dif-ference between the result of measure-ment and the value of comparison.
96. Which one of the following instruments is the most accurate
(a) steel scale
(b) micrometer screw gauge
(c) vernier caliper
(d) vernier dial gauge
(e) optical projector.
98. In the case of high precision surface plates of diameter upto 200 mm, the working surface should lie between two parallel planes,
whose maximum distance apart is
(a) 0.005 mm
(b) 0.0005 mm
(c) 0.05 mm
(d) 0.5 mm
(e) 0.001 mm.
Read More Questions:
Engineering Methodology MCQs Part1
Engineering Methodology MCQs Part2
Engineering Methodology MCQs Part3
Engineering Methodology MCQs Part4
Engineering Methodology MCQs Part5
Engineering Methodology MCQs Part6
Engineering Methodology MCQs Part7
Engineering Methodology MCQs Part8
Engineering Methodology MCQs Part9
(a) the closeness with which a measure-ment can be read directly from a measuring instrument.
(b) a measure of how close the reading is to the true size
(c) the difference between measured value and actual value
(d) the smallest change in measureand that can be measured
(e) the capability to indicate the same reading again and again for a given measureand.
82. Which of the following is not provided on combination set
(a) centre head
(b) protractor head
(c) vernier scale
(d) spirit level
(e) squaring head.
83. Universal surface gauge is used
(a) for flatness testing
(b) for layout work and inspection
(c) for measuring profile of complex sur-face
(d) for measuring surface roughness
(e) for measuring concavity of surface.
84. Accuracy is
(a) the repeatability of a measuring process
(b) error of judgement in recording an ob-servation
(c) the ability of instrument to reproduce same reading under identical situations
(d) agreement of the result of a measure-ment with the true value of the measured quantity
(e) the least resolution of an instrument.
85. Random errors follow the following distribution
(a) claussian
(b) hyperbolic
(c) parabolic
(d) t- student
(e) p-distribution.
86. Which one of the following is the least accurate measuring device
(a) air gauge
(b) micrometer screw gauge
(c) optical projector
(d) vernier micrometer
(e) steel scale.
87. Pick up the wrong statement:
(a) Accuracy of an instrument is closeness to the true dimension
(b) Precision represents the degree of repetitiveness.
(c) Sensitivity refers to minimum change in value that the instrument can reliab¬ly indicate.
(d) As the sensitivity of an instrument in-crease, its range of measurement also increases.
(e) If an instrument is not precise it will give different results for same dimen¬sion when measured again and again.
88. Fiducial indicators contain
(a) calibrated scale
(b) a single index mark
(c) micrometer screw movement
(d) optical head
(e) interferometric devices.
89. A comparator for its working depends on
(a) accurately calibrated scale
(b) comparison with standard such as slip gauges
(c) accurate micrometer gauge
(d) optical devices
(e) determining zero error of scale correct-
90. Precision is
(a) the repeatability of a measuring process
(b) agreement of the result of a measure-ment with the true value of the measured quantity
(c) the ability of a measuring device to detect small differences in a quantity being measured
(d) the ability of .an instrument to reproduce same reading under identi¬cal conditions
(e) error of judgment in reading an obser-vation.
91. The thickness of oil film at the surface of slip gauges is of the order of
(a) .005 micron
(b) .1 micron
(c) 1 micron
(d) 10 microns
(e) 100 microns.
92. Pick up the wrong statement. Surface plates are usually made of granite because of following advantages
(a) because of long period of time for relaxing, it is free from built in residual stresses. There is no corrosion effect also.
(b) there is less tendency for it to warp
(c) if a tool or workpiece drops accidently over its surface, residual stresses are not induced
(d) it simply powders somewhat at the point of impact by falling object
(e) it enables the phenomenon of wringing flat surfaces over it.
93. Pick up the wrong statement.
(a) Error is the disagreement between the result of measurement and actual value.
(b) Random error are regularly repetitive in nature and result from improper conditions or procedures that are con-sistant in action
(c) Parasitic error results from incorrect execution of measurement.
(d) Uncertainty of measurement repre-sents the dispersion of the result of measurement defined by the limits of. the error.
(e) Absolute error is the algebraic dif-ference between the result of measure-ment and the value of comparison.
96. Which one of the following instruments is the most accurate
(a) steel scale
(b) micrometer screw gauge
(c) vernier caliper
(d) vernier dial gauge
(e) optical projector.
98. In the case of high precision surface plates of diameter upto 200 mm, the working surface should lie between two parallel planes,
whose maximum distance apart is
(a) 0.005 mm
(b) 0.0005 mm
(c) 0.05 mm
(d) 0.5 mm
(e) 0.001 mm.
Read More Questions:
Engineering Methodology MCQs Part1
Engineering Methodology MCQs Part2
Engineering Methodology MCQs Part3
Engineering Methodology MCQs Part4
Engineering Methodology MCQs Part5
Engineering Methodology MCQs Part6
Engineering Methodology MCQs Part7
Engineering Methodology MCQs Part8
Engineering Methodology MCQs Part9
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