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  • Question

  • Optimistic time, most likely time and pessimistic times for the activities of a network in the given figure are written above their arrows. If the contractual obligation time for the project is 75, the latest occurrence time for the event 2, is
    Optimistic time, most likely time and pessimistic times for the activities of a network in the given


  • Options
  • A. 20
  • B. 25
  • C. 35
  • D. 15

  • Correct Answer
  • 25 

    • More questions

    • 1. The minimum horizontal distance between two parallel main reinforcing bars, is

    • Options
    • A. the diameter of the bar if their diameters are same
    • B. the diameter of the longer bar if their diameters are unequal
    • C. 5 mm more than nominal maximum size of the coarse aggragate
    • D. greatest value of the above.
      • Discuss
    • 2. Advantage of automatic signalling, is:

    • Options
    • A. increased safety
    • B. reduction in delays
    • C. increase in track capacity
    • D. all the above.
      • Discuss
    • 3. The minimum diameter of a sewer is kept

    • Options
    • A. 10 cm
    • B. 15 cm
    • C. 20 cm
    • D. 25 cm
    • E. 30 cm.
      • Discuss
    • 4. According to ISI, bitumen is classified into

    • Options
    • A. 2 grades
    • B. 4 grades
    • C. 6 grades
    • D. 8 grades.
    • E. 10 grades.
      • Discuss
    • 5. The Polaris describes a small circle round the pole whose radius is approximately

    • Options
    • A. 1°
    • B. 2°
    • C. 3°
    • D. 4°.
      • Discuss
    • 6. For the construction of highway (or railway)

    • Options
    • A. longitudinal sections are required
    • B. cross sections are required
    • C. both longitudinal and cross sections are required
    • D. none of these.
      • Discuss
    • 7. An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm ? placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is

    • Options
    • A. 49.9 kg/cm2
    • B. 100 kg/cm2
    • C. 250 kg/cm2
    • D. 175 kg/cm2
      • Discuss
    • 8. In GPS, receivers are used are ;

    • Options
    • A. electronic clocks
    • B. atomic clocks
    • C. quartz clocks
    • D. mechanical clocks
      • Discuss
    • 9. Pick up the correct statement from the following:

    • Options
    • A. Calcium chloride acts as a retarder
    • B. Gypsum (calcium sulphate) acts as an accelerator
    • C. Gypsum (calcium sulphate) acts as a retarder
    • D. Calcium chloride acts as an accelerator
    • E. Both (c) and (d).
      • Discuss
    • 10. Pick up the synthetic resin from the following:

    • Options
    • A. Malamine resin
    • B. Phenolic resin
    • C. Resorcinol resin
    • D. Urea resin
    • E. All of these.
      • Discuss

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