Objective Engineering Methodology Questions and Answers pdf

161.    Optical square is
(a)    Engineer's square having stock and blade set at 90°
(b)    a constant deviation prism having the angle of deviation between the inci-dent ray and reflected ray, equal to 90°
(c)    a constant deviation prism having the angle of deviation between the inci-dent ray and reflected ray, equal to 45°
(d)    used to produce interference fringes
(e)    used for angular measurement.

162.    In a sine bar the standard lengm is measured from
(a)    edge to edge
(b)    between inner circumference of two rollers
(c)    between outer circumference of two rollers
(d)    between the centres of two rollers
(e)    none of the above.

163.    Electronic level instrument is a replacement for
(a)    vernier depth gauge
(b)    microscope
(c)     auto-collimator
(d)     angle dekkor
(e)     spirit level.

164.    Polygons in metrology are concerned with
(a)    method of circular dividing
(b)    testing of parallelism
(c)    testing of circularity
(d)    interferrometry measurements
(e)    linear measurements.

165.    The long straight edges are supported at two points for minimum deflection at centre. The distance between supports compared to the length of straight edge should be
(a) 0.5
(b) 0.554
(c) 0.577
(d) 0.6
(e) 0.677.

166.    Bevel protractor is used for
(a)    angular measurements
(b)    linear measurements
(c)    height measurements
(d)    flatness measurement
(e)    parallelism measurement.

167.    Clinometer is related with
(a)    Engineer's parallels
(b)    angle gauges
(c)    spirit level
(d)    bevel protractor
(e)    tolerance measurement.

168.    Pick up the correct statement. A comparator
(a)    needs to be calibrated
(b)    need not be calibrated
(c)    contains a calibrated scale
(d)    is highly accurate over its complete measuring range
(e)    is best suited for measurement of ab-solute dimensions.

169.    Which of the following is the essential condition for interferometry measurement
(a)    an air gap (a wedge) of varying thick-ness must exist between the two sur-faces
(b)    an optical flat is required
(c)    the work surface must be reflective
(d)    monochromatic source of light is re-quired
(e)    all of the above.

170.    Autocollimator is used for
(a)    parallelism measurement
(b)    straightness measurement
(c)    flatness measurement
(d)    angular measurement
(e)    linear movement measurement.

171.    Which one of the following is an angle measuring device
(a)    trammel
(b)    hermaphrodite caliper
(c)    divider
(d)     angle iron
(e)     sine bar.

172.    Filar microscopes
(a)     have no reticles
(b)     have fixed reticles
(c)    have moving reticles
(d)    can be.moved relative to the work by means of a fine-pitch lead screw
(e)    use a scale on the side of the optical tube to give a measure of the focusing position.

173.    A collimator is simply a
(a)    source of a bundle of parallel light rays
(b)    source of point light
(c)    sort of alignment telescope
(d)    standard for flatness
(e)     device used in interferometric meas-urements.

174.    If x be half the included angle of thread and p its pitch, then best size wire's diameter for measurement of effective
diameter of thread is
(a) p/2 sec x  
(b) p sec x/2
(c) p cos x/2  
(d) p/2 cos x/2
(e) p/2 sec x/2.

175.    Angle Dekkor is another type of
(a)    auto-collimator
(b)    optical square
(c)    clinometer
(d)    angle gauge
(e)    electronic level.

176.    The angles of angle gauges in the degrees series are
(a) 1, 3, 9, 25, 42
(b) 1, 3, 9, 27, 81
(c) 1, 3, 9, 27, 41
(d) 1, 5, 10, 25, 45
(e) 2, 3, 5, 27, 41.

177.    Wickman gauge is used for inspection of
(a) holes
(b) shafts
(c) gears
(d) tapers
(e) screw threads.

178.    Which one of the following is not an angle measuring device
(a)    bevel protector
(b)    sine bar
(c)    combination square
(d)    angle iron
(e)    angle gauge blocks.

179.    The reflector combined with autocollimator can be used for checking
(a)     alignment 
(b)     parallelism
(c)    circularity
(d)    distance between two far off points
(e)    surface finish.

180.    Some substances generate voltage when they are subjected to mechanical forces or stresses along specific planes. Such substances are known as
(a)    thermo-electric
(b)    magneto-electric
(c)    piezo-electric
(d)     photo-electric
(e)    radio-active.

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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