Select the incorrect statement?

Related Mcqs:

1. Select the incorrect statement?

   A. Earliest start of an activity is the early event time of the node it leaves.
   B. Latest finish of an activity is the late event time of the node it enters.
   C. Latest start of an activity is its latest finish minus its duration.
   D. none of the above

2. Select the incorrect statement?

   A. Start float and finish float are always equal
   B. Total float can be either start float or finish float
   C. Start float and finish float need not be equal
   D. Start float and finish float are the differences between activity times and not event times

3. Select the correct statement?

   A. Activity arrows in a CPM network are drawn to scale
   B. The tail of an arrow represents the finish of an activity
   C. Arrow bead represents the start of an activity
   D. none of the above

4. Critical path_____________?

   A. is always longest
   B. is always shortest
   C. may be longest
   D. may be shortest

5. A machine is purchased for Rs. 10,000,00/- and has an estimated life of 10 years. The salvage value at the end of 10 years is Rs. 1,50,000/-. The book value of the machine at the end of 5 years using general straight line method of evaluation of depreciation is__________________?

   A. Rs. 4,75,000/-
   B. Rs. 5,75,000/-
   C. Rs. 6,50,000/-
   D. Rs. 8,50,000/-

6. The probability of completion of any activity within its expected time is_________________?

   A. 50%
   B. 84.1%
   C. 99.9%
   D. 100%

7. The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted, and pneumatic tyremounted machines would be respectively_________________?

   A. 80 and 90
   B. 90 and 80
   C. 85 and 75
   D. 75 and 83

8. In time-cost optimization of a project, crashing is done____________?

   A. on all the activities
   B. on all the activities lying on the critical path
   C. only on activities lying on the orginal critical path and having flatter cost slopes
   D. on original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope

9. A four wheel trac*or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be___________________?

   A. 20 kg/tonne
   B. 30 kg/tonne
   C. 40 kg/tonne
   D. 50 kg/tonne

10. The independent float affects only_______________?

    A. preceding activities
    B. succeeding activities
    C. the particular activity involved
    D. none of the above