Frequency distribution curves
Having a single lump, are called uninodal curves
If symmetrical, are called normal curves
If not symmetrical, are called skew curves
All the above
Correct Answer :
D. All the above
Related Questions
The main advantage of line organisation is:
Effective command and control
Rigid discipline in the organisation
Defined responsibilities at all levels
All the above
The object of technical planning, is
Preparation of specifications
Preparation of estimates
Initiating the procurement action of resources
All the above
For a given size of bucket, the ideal output of a dragline will be least in
Moist loam
Sand and gravel
Good common earth
Wet sticky clay
Preliminary project report for a road project must contain
The detailed estimated cost based on detailed design
The several alternatives of the project that have been considered
The soil survey, traffic survey, concept design and approximate cost
The contract documents for inviting tenders
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: In the critical path method of construction planning, Free Float can be.
1. Greater than Total Float.
2. Greater than Independent Float
3. Equal to Total Float.
4. Less than Independent Float. Of these statements
1 and 4 are correct
2 and 3 are correct
1 and 4 are correct
1 and 2 are correct
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
20 kg/tonne
30 kg/tonne
40 kg/tonne
50 kg/tonne
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
If the gross vehicle weight of a truck is 30 tonne and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is
30 kg
300 kg
900 kg
1000 kg
Residential buildings are treated as
Light construction
Heavy construction
Industrial construction
Private construction
At a work site, statistical quality control of concrete means
Measurement of risks to eliminate failures
Applying the theory' of probability to sample testing or inspection
Reduction in wastage of inspection costs
Reduction in costs for the removal of defects
The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as
Total float
Free float
Interfering float
Independent float
Critical path
Is always longest
Is always shortest
May be longest
May be shortest
The basic action involved in sheep foot rolling is
Kneading
Pressing
Tamping
Vibration
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
Total float for any activity is defined as the difference between
Its latest finish time and earliest start time for its successor activity
Its latest start time and earliest start time
Its latest start time and earliest finish time
Its earliest finish time and earliest start time for its successor activity
Which one of the following represents an activity?
Excavation for foundation
Curing of concrete
Setting of question paper
All the above
Consider the following statements for a power shovel: (i) Output can be increased by reducing the angle of swing for a given depth of cut. (ii) For a given angle of swing, output will be maximum at optimum depth of cut. (iii) Output can be increased by keeping the depth of cut less than optimum depth, (iv) Output can be increased by increasing the size of shovel. Of these statements
(ii), (iii) and (iv) are correct
(i), (ii) and (iv) are correct
(i), (iii) and (iv) are correct
(i) and (iv) are correct
PERT analysis is based on
Optimistic time
Pessimistic time
Most likely time
All the above
Works costing less than Rs. 20,000 are treated as
Any project
Major projects
Minor projects
All the above
The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to
2 kg/tonne
6 kg/tonne
9 kg/tonne
20 kg/tonne
Time and progress chart of a construction, is also known as
Bar chart
Gantt chart
Modified Mile stone chart
All the above
The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is
3425 kg
5515 kg
4350 kg
2975 kg
If the output of a dragline 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
Equal to X
More than X
Less than X
Any of the above
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
PERT is
An analytic in concept
Limited of event oriented diagrams
Used for research and development projects
All the above
The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted and pneumatic tyre-mounted machines would be respectively
80 and 90
90 and 80
85 and 75
75 and 83
While filling the tender for any work, the contractor considers
Site survey
Availability of construction materials
Availability of labour
All the above
The independent float affects only
Preceding activities
Succeeding activities
The particular activity involved
None of the above
In the given figure, the network of a project represents
Activity of an excavation of a footing
Activity of an excavation which starts at event No. 1 and ends at even No. 2
Activity of excavation which takes 8 units of time
None of these