Consider the following statements?
1. wheeled tractors travel faster
2. crawler tractors are more expensive
3. track parts of a crawler wear out quickly
4. crawler tractors have stick control
A. 1,3 and 4 are correct
B. 2, 3 and 4 are correct
C. 1,2 and 3 are correct
D. 1, 2 and 4 are correct
Related Mcqs:
- 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 - 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 - 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 - Select the incorrect statement?
A. A critical path always begins at the very first event
B. A critical path always terminates at the last event
C. Critical activities control the project duration
D. Critical activity is the one for which free float is zero - The normal time required for the completion of project in the above problem is_______________?
A. 9 days
B. 13 days
C. 14 days
D. 19 days - For excavating utility trenches with precise control of depth, the excavation equipment used is_______________?
A. Hoe
B. Shovel
C. Dragline
D. None of the above - The basic action involved in sheep foot rolling is_______________?
A. Kneading
B. Pressing
C. Tamping
D. Vibration - If the scheduled completion time of a project is more than the earliest expected time for completion of the project, then the probability of completion of the project within the scheduled completion time will be__________________?
A. 50%
B. less than 50%
C. more than 50%
D. 100% - The direct cost of a project with respect to normal time is________________?
A. minimum
B. maximum
C. zero
D. infinite - Free float is mainly used to_________________?
A. identify the activities which can be delayed without affecting the total float of preceding activity
B. identify the activities, which can be delayed without affecting the total float of succeeding activity
C. establish priorities
D. identify the activities which can be delayed without affecting the total float of either the preceding or succeeding activities
