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  • Question

  • For orientation of a plane table with three points A, B and C, Bessel's drill is


  • Options
  • A. Align b through a and draw a ray towards c, align a through b and draw a ray towards c, finally align c through the point of intersection of the previously drawn rays
  • B. Align c through a and draw a ray towards b, align a through c and draw a ray towards b, finally align b through the point of intersection of the previously drawn rays
  • C. Align c through b and draw a ray towards a, align b through c and draw a ray towards a, finally align a, through the point of intersection of the previously, drawn rays
  • D. In the first two steps any two of the points may be used and a ray drawn towards the third point, which is sighted through the point of intersection of previously drawn rays in the final step.

  • Correct Answer
  • In the first two steps any two of the points may be used and a ray drawn towards the third point, which is sighted through the point of intersection of previously drawn rays in the final step. 

    • More questions

    • 1. A pipe of 0.1 m2 cross sectional area suddenly enlarges to 0.3 m2 cross-sectional area. If the discharge of the pipe is 0.3 m3 /sec, the head loss is

    • Options
    • A. 2/g m of water
    • B. g/2 m of water
    • C. 1g m of water
    • D. g m of water.
      • Discuss
    • 2. For a body moving with simple harmonic motion, the number of cycles per second, is known as its

    • Options
    • A. oscillation
    • B. amplitude
    • C. periodic time
    • D. beat
    • E. frequency.
      • Discuss
    • 3. In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time

    • Options
    • A. 100 mm dia.
    • B. 150 mm dia.
    • C. 225 mm dia.
    • D. all of these.
      • Discuss
    • 4. During smelting process, the combination of fuel in the furnace

    • Options
    • A. forms carbon dioxide
    • B. carbon dioxide with carbon forms carbon mono-oxide
    • C. carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
    • D. all the above.
      • Discuss
    • 5. In the cantilever truss as shown in below figure, the horizontal component of the reaction at A, is

    • Options
    • A. 30 tonnes
    • B. 60 tonnes
    • C. 90 tonnes
    • D. 120 tonnes
    • E. 150 tonnes.
      • Discuss
    • 6. Traffic engineering only includes

    • Options
    • A. planning of regulatory measures
    • B. design and application of control devices
    • C. analysis of traffic characteristics
    • D. traffic opeation
    • E. all the above.
      • Discuss
    • 7. Pick up the correct statement from the following :

    • Options
    • A. The minimum frequency of light for which no electrons are emitted, is called threshold frequency.
    • B. Polarising angle of glass is 57°.5
    • C. At the polarising angle, the reflected and refracted rays are orthogonal
    • D. All the above
      • Discuss
    • 8. In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. none of these.
      • Discuss
    • 9. Maximum number of vehicles that can pass a given point on a lane during one hour without creating unreasonable delay, is known as

    • Options
    • A. traffic density of lane
    • B. basic capacity of lane
    • C. probable capacity of lane
    • D. practical capacity of lane.
      • Discuss
    • 10. The process of passing water through beds of granular materials, is called

    • Options
    • A. screening
    • B. sedimentation
    • C. filtration
    • D. none of these.
      • Discuss

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