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4

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

A. Moist loam

B. Good common earth

C. Well blasted rock

D. Wet sticky clay

Correct Answer :

A. Moist loam


Related Questions

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4

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

A. Event

B. Float

C. Duration

D. Constraint

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4

For a given size of bucket, the ideal output of a dragline will be least in

A. Moist loam

B. Sand and gravel

C. Good common earth

D. Wet sticky clay

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4

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

A. Normal time

B. Slow time

C. Crash time

D. Standard time

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4

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

A. 50 %

B. 84.1 %

C. 99.9 %

D. 100 %

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4

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

A. EF = ES + D

B. LS = LF - D

C. LF = LS + D

D. All the above

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4

A dummy activity

A. Is artificially introduced

B. Is represented by a dotted line

C. Does not consume time

D. All the above

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4

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

A. Rs. 8,800

B. Rs. 7,600

C. Rs. 6,400

D. Rs. 5,000

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4

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 %

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4

Which of the following does not represent an activity?

A. Site located

B. Foundation is being dug

C. The office area is being cleaned

D. The invitations are being sent

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4

The independent float affects only

A. Preceding activities

B. Succeeding activities

C. The particular activity involved

D. None of the above

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4

In the given figure, the network of a project represents

A. Activity of an excavation of a footing

B. Activity of an excavation which starts at event No. 1 and ends at even No. 2

C. Activity of excavation which takes 8 units of time

D. None of these

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4

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

A. 1

B. 2

C. 3

D. 4

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4

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

A. to + 3tm+ tp/3

B. to + 4tm+ tp/4

C. to + 4tm+ tp/5

D. to + 4tm+ tp/6

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4

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

A. Drag line

B. Hoe

C. Clam shell

D. Dipper shovel

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4

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

A. (ii), (iii) and (iv) are correct

B. (i), (ii) and (iv) are correct

C. (i), (iii) and (iv) are correct

D. (i) and (iv) are correct

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4

The performance of a specific task in CPM, is known

A. Dummy

B. Event

C. Activity

D. Contract

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4

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

A. 1880

B. 1900

C. 1920

D. 1940

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4

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

A. 1 and 4 are correct

B. 2 and 3 are correct

C. 1 and 4 are correct

D. 1 and 2 are correct

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4

The final selection of a construction site, is done by

A. Departmental representative or user

B. Local civil authority representative

C. Representative of engineer authority

D. All the above

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4

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

A. Rs. 4,75,000

B. Rs. 5,75,000

C. Rs. 6,50,000

D. Rs. 8,50,000

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4

Pick up the correct statement from the following:

A. CPM analysis is activity oriented

B. PERT analysis is event oriented

C. In CPM, the time is related to cost

D. All the above

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4

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

A. 4 days

B. 6 days

C. 10 days

D. 16 days

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4

Pick up the correct statement from the following:

A. The duration between the earliest start time of the preceding event and latest finish time of the succeeding event, is called 'float'

B. The duration of time by which an activity can be delayed without affecting the succeeding activity, is called free float

C. The difference between total float and free float, is called interfering float

D. All the above

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4

In CPM analysis,

A. Emphasis is given to activities

B. Uncertainties are not allowed

C. Activities are represented by arrows

D. All the above

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4

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.

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4

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

A. Crash time

B. Normal time

C. Optimistic time

D. Standard time

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4

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

A. 80 and 90

B. 90 and 80

C. 85 and 75

D. 75 and 83

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4

PERT technique of network analysis is mainly useful for

A. Small projects

B. Large and complex projects

C. Research and development projects

D. Deterministic activities

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4

The basic action involved in sheep foot rolling is

A. Kneading

B. Pressing

C. Tamping

D. Vibration

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4

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

A. The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time

B. The latest occurrence time for the node at which the activity arrow terminates, is called latest finish time

C. Earliest occurrence time of the event from which the activity arrow' originates, is called earliest start time of the activity

D. All the above