Rolling resistance of a wheel depends upon (i) Vehicle load (ii) Grade (iii) Ground conditions Of these statements
Only (i) is correct
(i) and (ii) are correct
(i) and (iii) are correct
(ii) and (iii) are correct
Correct Answer :
C. (i) and (iii) are correct
Related Questions
The main principle of an organisation, is
Unity of command
Effective control at all levels
Delegation of authority
All the above
Economic saving of time results by crashing
Cheapest critical activity
Cheapest noncritical activity
Costliest critical activity
Costliest noncritical activity
Mobilization advance up to 10% of the cost of work is given to a contractor
On commencement of work at site for payment of loan taken by him
For the purchase of construction materials
For the payment of advances to labour and other staff
For all activities required to start the work at site on finalization of the contract document
Frederick W. Taylor introduced a system of working known as
Line organisation
Line and staff organisation
Functional organisation
Effective organisation
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
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
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
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
Pick up the incorrect statement from the following:
An activity of a project is denoted by an arrow on the net work
The tail of the arrow indicates the start of the activity
The head of the arrow indicates the end of the activity
The arrows are drawn to scale from left to right
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
Longest duration
Highest cost slope
Least cost slope
Shortest duration
Critical path
Is always longest
Is always shortest
May be longest
May be shortest
During the construction period, price variation clause in contracts caters to
Increase in rates of only important materials
Variation in cost in materials element, labour element and petrol-oillubricant element
Variation in total cost of the project on an ad hoc basis
Rate of inflation
For completion of a project, the critical path of the network represents
Minimum time
Maximum time
Maximum cost
Minimum cost
A CPM family includes
CPA (Critical Path Analysis)
CPP (Critical Path Plotted)
MCE (Minimum Cost Expenditure)
All the above
The basic action involved in sheep foot rolling is
Kneading
Pressing
Tamping
Vibration
Consider the following features/factors:
1. Projects are of the non-repetitive type
2. Time required need not be known
3. Time required is known precisely
4. Events have been established for planning
5. Emphasis is given to activities of project PERT is preferred for planning because of
1, 2 and 4
3, 4 and 5
1, 3 and 4
1, 2 and 5
Site order book is used for recording
Instructions by the executive engineers
Construction measurements
Issue of store equipments
Names of the casual labour
Pick up the correct statement from the following:
The duration between the earliest start time of the preceding event and latest finish time of the succeeding event, is called 'float'
The duration of time by which an activity can be delayed without affecting the succeeding activity, is called free float
The difference between total float and free float, is called interfering float
All the above
The difference between the time avail-to do a job and the time required to do the job, is known as
Event
Float
Duration
Constraint
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
Select the correct statement.
Activity arrows in a CPM network are drawn to scale
The tail of an arrow represents the finish of an activity
Arrow bead represents the start of an activity
None of the above
Which one of the following represents an activity?
Excavation for foundation
Curing of concrete
Setting of question paper
All the above
Pick up the correct statement from the following:
The float may be positive, zero or negative
If the float is positive and the activity is delayed by a period equal to its total float, the completion of project is not delayed
If the float of an activity is negative, delay in its performance is bound to delay the completion of project
All the above
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
2.3% and 84.1%
97.7% and 84.1%
97.7 % and 15.9%
15.9% and 97.7%
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
Pick up the correct statement from the following:
Optimistic time estimate refers to activities
Pessimistic time estimate refers to activities
Most likely time estimate refers to activities
All the above
The performance of a specific task in CPM, is known
Dummy
Event
Activity
Contract
Updating may result in
Change of critical path
Decrease of project completion time
Increase of project completion time
All of the above
Consider the following operations:
1. Drilling
2. Blasting
3. Mucking
4. Placing steel
5. Placing concrete
The correct sequence of these operations in tunnel construction is
1, 2, 4, 3, 5
1, 3, 2, 4, 5
1, 2, 3, 4, 5
1, 3, 4, 2, 5
Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?
Ice
Concrete
Loose sand
Earth