# Construction Planning and Management

• ## A four wheel truck 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
Explanation:

No answer description available for this question.

• ## The three time estimates for the activities of the network shown in the given figure are shown above their arrows. The earliest expected time for the event 4, is_____.

• A. 19
• B. 14
• C. 24
• D. None of these
Explanation:

No answer description available for this question.

• ## Critical path method_____.

• A. Is an improvement upon bar chart method
• B. Provides a realistic approach to daily problems
• C. Avoids delays which are very common in bar charts
• D. All the above
Explanation:

No answer description available for this question.

• ## A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistance of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will_____.

• A. Reduce by 200 kg
• B. Increase by 200 kg
• C. Increase by 250 kg
• D. Reduce by 250 kg
Explanation:

No answer description available for this question.

• ## Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?

• A. Ice
• B. Concrete
• C. Loose sand
• D. Earth
Explanation:

No answer description available for this question.

• ## 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

• A. 10000 kg
• B. 12500 kg
• C. 22500 kg
• D. 5000 kg
Explanation:

No answer description available for this question.

• ## The time with which direct cost does not reduce with the increase in time is known as_____.

• A. Crash time
• B. Normal time
• C. Optimistic time
• D. Standard time
Explanation:

No answer description available for this question.

• ## Which one of the following represents an event?

• A. Concrete cured
• B. Fixing of door
• C. Plastering of walls
• D. Selecting sites
Explanation:

No answer description available for this question.

• ## If the output of a drag-line for 90° angle of swing at optimum depth of cut is X, then the output for 120° angle of swing at 120 % of optimum depth of cut will be_____.

• A. Equal to X
• B. More than X
• C. Less than X
• D. Any of the above
Explanation:

No answer description available for this question.

• A. 30 kg
• B. 300 kg
• C. 900 kg
• D. 1000 kg