42. Tracer(archietectural) in pwd irrigation
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- Q1The representative Fraction of 1 cm = 20 m is1/2001/20001/50001/2030s
- Q2Instrument used for dividing lines into equal parts and for transferring dimensionsSet squaresProtractorsDividersScale set30s
- Q3Lines drawn to represent visible edges and surface boundaries of objects are calledCentre linesOutlinesDimension linesDashed lines30s
- Q4The lines drawn at an angle of 45o to make the section evidentExtension linesHatchingBorder linesCutting plane lines30s
- Q5A figure enclosed by seven straight lines is calledDecagonHexagonHeptagonOctagon30s
- Q6The area enclosed between a part of circumference and two radii is aSectorQuadrantSegmentTangent30s
- Q7A solid contained by plane surfaces is termed asNone of the aboveSpherePolyhedronPolygon30s
- Q8A solid bounded by twelve equal regular pentagons is known asTetrahedronOctahedronDodecahedronIcosahedron30s
- Q9A solid form generated by revolving a right angled triangle about a fixed line is calledPrismPyramidConeCylinder30s
- Q10A curve generated by a point on the circumference of a cylinder as cylinder rolls along a straight line isEpicycloidInvoluteCycloidHypocycloid30s
- Q11A curve generated by a point moving on a line so that the ratio of length of succeeding radius is same for equal angular movementArchimedean ;spiralNone of the aboveLogarithmic ;spiralHelix30s
- Q12A scale represent either two units or a unit and a subdivision isDiagonal scaleScale of chordsplane scaleVernier scale30s
- Q13The path of a point which moves in space is known asLocusSpiralTriangleCentroid30s
- Q14Scales having same representative fraction but to read different units are calledScale of chordsAny scaleDiagonal scaleComparative scales30s
- Q15When the section plane is inclined to the axis is parallel to one of the generators, the conic section is aEllipseHyperbolaCircleParabola30s