
42. Tracer(archietectural) in pwd irrigation
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- Q1The representative Fraction of 1 cm = 20 m is1/2001/201/50001/200030s
- Q2Instrument used for dividing lines into equal parts and for transferring dimensionsScale setSet squaresDividersProtractors30s
- Q3Lines drawn to represent visible edges and surface boundaries of objects are calledDimension linesOutlinesDashed linesCentre lines30s
- Q4The lines drawn at an angle of 45 degree to make the section evidentCutting plane linesHatchingExtension linesBorder lines30s
- Q5A figure enclosed by seven straight lines is calledOctagonHeptagonHexagonDecagon30s
- Q6The area enclosed between a part of circumference and two radii is aSegmentSectorTangentQuadrant30s
- Q7A solid contained by plane surfaces is termed asSpherePolyhedronPolygonNone of the above30s
- Q8A solid bounded by twelve equal regular pentagons is known asDodecahedronTetrahedronIcosahedronOctahedron30s
- Q9A solid form generated by revolving a right angled triangle about a fixed line is calledPyramidCylinderPrismCone30s
- Q10A curve generated by a point on the circumference of a cylinder as cylinder rolls along a straight line isCycloidHypocycloidEpicycloidInvolute30s
- Q11A curve generated by a point moving on a line so that the ratio of length of succeeding radius is same for equal angular movementHelixNone of the aboveLogarithmic spiralArchimedean spiral30s
- 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 asSpiralLocusCentroidTriangle30s
- Q14Scales having same representative fraction but to read different units are calledDiagonal scaleComparative scalesScale of chordsAny scale30s
- Q15When the section plane is inclined to the axis is parallel to one of the generators, the conic section is aCircleEllipseParabolaHyperbola30s