The most suitable type of equipment for compaction of cohesive soils is
Smooth-wheeled rollers
Vibratory rollers
Sheep foot rollers
Tampers
Correct Answer :
C. Sheep foot rollers
Related Questions
The direct cost of a project with respect to normal time is
Minimum
Maximum
Zero
Infinite
Critical Path Net Work helps an engineer
To concentrate his attention on critical activities
To divert the resources from non-critical advanced activities to critical activities
To be cautious for avoiding any delay in the critical activities to avoid delay of the whole project
All the above
A construction schedule is prepared after collecting
Number of operations
Output of labour
Output of machinery
All the above
Completion of an activity on CPM network diagram, is generally known
Event
Node
Connector
All the above
Henry Gantt developed Bar charts for planning and scheduling of projects in
1880
1900
1920
1940
Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing. Reason R: If the angle of swing is decreased, the cycle time will be decreased. Select the correct answer.
Both A and R is true and R is the correct explanation of A
Both A and R is true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be
3.7 years
4.23 years
5 years
7.87 years
Which of the following earth moving machines has the shortest cycle time?
Drag line
Hoe
Clam shell
Dipper shovel
The independent float affects only
Preceding activities
Succeeding activities
The particular activity involved
None of the above
Pick up the incorrect statement from the following:
The various functions under each activity, are shown by one bar on Bar Charts
Bar chart establishes the interdependency of one event on another
Only approximate percentage of the completed work is reported
None of these
For which of the following materials, the output of power shovels for a fixed shovel size will be maximum
Moist loam
Good common earth
Well blasted rock
Wet sticky clay
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
Reduce by 200 kg
Increase by 200 kg
Increase by 250 kg
Reduce by 250 kg
Pick up the correct statement from the following:
Earliest expected time is denoted by TE
Latest occurrence time is denoted by TL
Contractual obligation time is denoted by Ts
All the above
A critical ratio scheduling
Determines the status of each activity
Adjusts automatically changes in activity progress
Is a dynamic system
None of these
Whenever an activity has zero total float, then
Free float of the activity must be zero but independent float need not be zero
Independent float must be zero but free float need not be zero
Free float and independent float both must be zero
Free float and independent float both need not be zero
The main principle of an organisation, is
Unity of command
Effective control at all levels
Delegation of authority
All the above
Batching refers to
Controlling the total quantity at each batch
Weighing accurately, the quantity of each material for a job before mixing
Controlling the quantity of each material into each batch
Adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch
Crash project duration is obtained by summing the
Normal durations for all the activities
Crash durations for all activities
Crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
Crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities
The technique for establishing and maintaining priorities among the various jobs of a project, is known
Event flow scheduling technique
Critical ratio scheduling
Slotting technique for scheduling
Short interval scheduling
PERT analysis is based on
Optimistic time
Pessimistic time
Most likely time
All the above
Residential buildings are treated as
Light construction
Heavy construction
Industrial construction
Private construction
Earliest finish of an activity is always
Greater than earliest event time of the following node
Less than earliest event time of the following node
Less than or equal to earliest event time of the following node
Greater than or equal to earliest event time of the following node
Consider the following statements: Wheeled tractors are replacing crawler tractors because
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. Of these statements
1, 3 and 4 are correct
2, 3 and 4 are correct
1, 2 and 3 are correct
1, 2 and 4 are correct
The main advantage of line organisation is:
Effective command and control
Rigid discipline in the organisation
Defined responsibilities at all levels
All the above
A dummy activity
Is artificially introduced
Is represented by a dotted line
Does not consume time
All the above
If the total float and duration of an activity are 5 and 10 days respectively, the particular activity can be
Started 5 days later
Completed 5 days later
Performed at slower rate in 15 days
All the above
Pick up the correct statement from the following:
Forward pass is used for calculating earliest expected time
Backward pass is used for calculating the latest occurrence time
Maximum value of earliest expected time is used if there is more than one value of any event
All the above
Pick up the correct statement from the following:
Programme Evaluation and Review Technique, is event oriented
Programme Evaluation and Review Technique is not event oriented
Critical Path Method is event oriented
Critical Path method is event oriented
Consider the following statements: In the bar chart planning
1. Interdependence of the operations cannot be portrayed.
2. Progress of work can be measured.
3. Spare time of the activities can be determined.
4. Schedule cannot be updated. Of these statements
1, 2 and 3 are correct
1 and 4 are correct
2, 3 and 4 are correct
1, 2 and 4 are correct
If D is the duration, ES and EF are the earliest start and finish, LS and LF are latest start and latest finish time, then the following relation holds good
EF = ES + D
LS = LF - D
LF = LS + D
All the above