Questions
22
PERT technique of network analysis is mainly useful for
Answer: Research and development projects
23
The artificial activity which indicates that an activity following it, cannot be started unless the preceding activity is complete, is known as
Answer: Dummy
24
Select the incorrect statement.
Answer: Start float and finish float need not be equal.
26
The time corresponding to minimum total project cost is
Answer: Between normal time and crash time
28
For a given size of bucket, the ideal output of a dragline will be least in
Answer: Wet sticky clay
30
If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be
Answer: 2.3% and 84.1%
31
A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels: 25000 kg Scraper wheels: 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is
Answer: 12500 kg
32
Pick up the incorrect statement from the following:
Answer: Bar chart establishes the interdependency of one event on another
33
While filling the tender for any work, the contractor considers
Answer: All the above
34
Interfering float is the difference between
Answer: Total float and free float
35
The time with which direct cost does not reduce with the increase in time is known as
Answer: Normal time
36
A golden rule for the procurement of construction stones, suggests
Answer: 67% at the site and 33% under procurement
37
In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having
Answer: Least cost slope
40
Site order book is used for recording
Answer: Instructions by the executive engineers
