In time-cost optimization of a project, crashing is done.

Which of the following does not represent an activity?

In resources levelling

Sensitivity analysis is a study of

Preliminary project report for a road project must contain

For which of the following materials, the output of power shovels for a fixed shovel size will be maximum

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

In PERT analysis, the time estimates of activities and probability of their occurrence follow

Free float is mainly used to

Grader is used mainly for

Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?

Which of the following earth moving machines has the shortest cycle time?

Updating may result in

The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as

During the construction period, price variation clause in contracts caters to

Critical path method

At a work site, statistical quality control of concrete means

A critical ratio scheduling

Pick up the correct statement from the following:

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

A golden rule for the procurement of construction stones, suggests

The time with which direct cost does not reduce with the increase in time is known as

Pick up the correct statement from the following with regards to C.P.M. network analysis of projects

Interfering float is the difference between

While filling the tender for any work, the contractor considers

An excavator costs Rs. 20,00,000 and has an estimated life of 8 years. It has no salvage value at the end of 8 years. The book value of the excavator at the end of 3 years using general double declining balance method is

Pick up the incorrect statement from the following:

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

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

Power stations are generally treated as

Bar charts are suitable for

The time corresponding to minimum total project cost is

Construction team means

Select the incorrect statement.

The artificial activity which indicates that an activity following it, cannot be started unless the preceding activity is complete, is known as

PERT technique of network analysis is mainly useful for

Pick up the correct statement from the following:

The independent float affects only

Site order book is used for recording

The time by which activity completion time can be delayed without affecting the start of succeeding activities, is known as

The part of a derrick crane include
(i)      Mast
(ii)     Boom
(iii)     Bull wheel
(iv)      Jack
Of these statements

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

Works costing less than Rs. 20,000 are treated as

A machine costs Rs. 20000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be

Railway projects are treated as

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

Pick up the correct statement from the following:

The original cost of an equipment is Rs.10,000. Its salvage value at the end of its total useful life of five years is Rs. 1,000. Its book value at the end of two years of its useful life (as per straight line method of evaluation of depreciation) will be

For completion of a project, the critical path of the network represents

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

Which one of the following represents an event?

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

PERT is

Optimistic time, most likely time and pessimistic times for the activities of a network in the given figure are written above their arrows. If the contractual obligation time for the project is 75, the latest occurrence time for the event 2, is

An earth moving equipment costs Rs. 5,00,000 and has an estimated life of 10 years and a salvage value of Rs. 50,000. What uniform annual amount must be set aside at the end of each of the 10 years for replacement if the interest rate is 8% per annum and if the sinking fund factor at 8% per annum interest rate for 10 years is 0.069?

Output of a bulldozer is
(i)      Increased if drawbar HP of the tractor is increased for a given hauling distance
(ii)     Decreased if drawbar HP of the tractor is increased for a given hauling distance
(iii)     Increased if the hauling distance is increased for a given drawbar HP of the tractor
(iv)      Decreased if the hauling distance is increased for a given drawbar HP of the tractor Of these statement

For the execution of a project, a contractor is

The constraints in case of resource smoothening operation would be

The time which results in the leasi, possible construction cost of an activity, is known as

The direct cost of a project with respect to normal time is

The object of technical planning, is

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively

Various activities of a project, are shown on bar charts by

Select the correct statement.

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

Total float for any activity is defined as the difference between

Pick up the incorrect statement from the following:

Assertion (A): Activity 57 is critical.
Reason (R): Earliest finish time and latest finish time for events 57 are same Select the correct answer.

The main principle of an organisation, is

If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the expected time of completion of the project with 99.9% probability is

Pick up the correct statement from the following:

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

Pick up the incorrect statement from the following:

The basic action involved in sheep foot rolling is

Pick up the correct statement from the following:

If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is

Time and progress chart of a construction, is also known as

Economic saving of time results by crashing

The technique for establishing and maintaining priorities among the various jobs of a project, is known

Which of the following is a weakness of bar chart?

Which one of the following represents an activity?

Which of the following excavators is most suitable for digging under water?

A CPM family includes

Critical path

For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is

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

Residential buildings are treated as

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

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

Consider the following activities in a building construction:
1.      Concreting of roof slabs
2.      Brick-jelly lime concrete terracing
3.      Erection of form work for slab
4.       Construction of parapet wall in terrace
The correct sequence of these activities is

Military organisation is known as

Mobilization advance up to 10% of the cost of work is given to a contractor

Pick up the PERT event from the following:

A machine is purchased for Rs. 10,000,00 and has an estimated life of 10 years. The salvage value at the end of 10 years is Rs. 1,50,000. The book value of the machine at the end of 5 years using general straight line method of evaluation of depreciation is

Pick up the incorrect statement from the following:

The process of incorporating changes and rescheduling or replanning is called

Completion of an activity on CPM network diagram, is generally known

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.

The salient feature of functional organisation is

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

The first method invented for planning projects, was

Which one of the following is not an excavating and moving type of equipment?

The main disadvantage of line organisation, is

Batching refers to

While scheduling a project by C.P.M.

Slack time refers to

Final technical authority of a project lies with

Whenever an activity has zero total float, then

Mile Stone charts were invented in the year of

Which of the following is not a PERT event?

A construction schedule is prepared after collecting

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

Pick up the correct statement from the following:

In India, are prefabricated components costlier than those of traditional cast-in-situ items that the prefabricated components replace?

Frequency distribution curves

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

The difference between the time avail-to do a job and the time required to do the job, is known as

The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to

A dummy activity

The reduction in project time normally results in

Frederick W. Taylor introduced a system of working known as

The area under the Beta distribution curve is divided into two equal parts by

CPM is

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

The Overall in-charge of an organisation at the site responsible for the execution of the works, is

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

The first stage of a construction, is

Crash project duration is obtained by summing the

Pick up the correct statement from the following:

Sinking fund is

If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is

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

If to, tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, the expected time t of the activity will be

The most suitable type of equipment for compaction of cohesive soils is

If the total float and duration of an activity are 5 and 10 days respectively, the particular activity can be

Rolling resistance of a wheel depends upon
(i)      Vehicle load
(ii)     Grade
(iii)     Ground conditions Of these statements

A Milestone chart

Earliest finish of an activity is always

Critical path lies along the activities having total float

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

The critical activity has

For excavating utility trenches with precise control of depth, the excavation equipment used is

PERT analysis is based on

The most popular type of organisation used for Civil Engineering Constructions, is

The probability of completion of any activity within its expected time is

The performance of a specific task in CPM, is known

Pre-tender stage requires

An event is indicated on the network by a number enclosed in

Select the incorrect statement.

If t is the duration of an activity, t1 is the latest finish possible moment of its preceding activity and t2 is the earliest start possible moment, the independent float of the activity is

Free float for any activity is defined as the difference between

In CPM analysis,

The estimated time required to perform an activity, is known as

Critical Path Net Work helps an engineer

A contractor has two options; (I): Invest his money in project A or (II): Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he

Henry Gantt developed Bar charts for planning and scheduling of projects in

If TL is the latest allowable event occurrence time, total activity slack(s), is equal to

Modular co-ordination of construction means proper

Pick up the correct statement from the following:

The final selection of a construction site, is done by

The main advantage of line organisation is: