free Model Online Construction Planning and Management test2

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1. Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
Concrete	Loose sand
Asphalt	Firm earth

2. If the gross vehicle weight of a truck is 30 t 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

3. 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

4. A four wheel tractor 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

5. 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 ?
Rs. 31050	Rs. 34500
Rs. 37950	Rs. 50000

6. 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
Rs.1740	Rs.3480
Rs.5220	Rs.6960

7. The probability of completion of any activity within its expected time is _____.
50%	84.1%
99.9%	100%

8. 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
50%	less than 50%
more than 50%	100%

9. 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 _____.
4 days	6 days
10 days	16 days

10. 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%

11. 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

12. In time-cost optimization of a project, crashing is done.
on all the activities	on all the activities lying on the critical path
only on activities lying on the orginal critical path and having flatter cost slopes	on original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope

13. 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-oil-lubricant element
variation in total cost of the project on an ad hoc basis	rate of inflation

14. 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

15. 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

16. Sinking fund is ______.
the fund for rebuilding a structure when its economic life is over	raised to meet maintenance costs
the total sum to be paid to the municipal authorities by the tenants	a part of the money kept in reserve for providing additional structures and structural modifications

17. In resources levelling _______.
total duration of project is reduced	total duration of project is increased
uniform demand of resources is achieved	cost of project is controlled

18. 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 ______.
Rs. 8,800/	Rs. 7,600/-
Rs. 6,400/-	Rs. 5,000/-

19. For a given activity, the optimistic time, pessimistic time and the most probable estimates are 5, 17 and 8 days respectively, The expected time is _____.
8 days	9 days
10 days	15 days

20. 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

Online Quiz Construction Planning and Management test1

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1. PERT technique of network analysis is mainly useful for _____.
small projects	large and complex projects
research and development projects	deterministic activities

2. 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

3. Which of the following is a weakness of bar chart ?
interdependencies of activities	project progress
uncertainties	all of the above

4. Which of the following is not a PERT event ?
site investigation started	sessional work completed
bus starts from Jaipur	class is being attended

5. In PERT analysis, the time estimates of activities and probability of their occurrence follow
normal distribution curve	Poisson's distribution curve
Beta - distribution curve	none of the above

6. The area under the Beta - distribution curve is divided into two equal parts by
most likely time	optimistic time
pessimistic time	expected time

7. Which of the following does not represent an activity?
site located	foundation is being dug
the office area is being cleaned	the invitations are being sent

8. 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

9. Select the incorrect statement.
Earliest start of an activity is the early event time of the node it leaves.	Latest finish of an activity is the late event time of the node it enters.
Latest start of an activity is its latest finish minus its duration.	none of the above

10. Latest start of an activity is always _____.
greater than or equal to latest event time of preceding node	less than or equal to latest event time of preceding node
equal to latest event time of preceding node	less than latest event time of preceding node

11. Select the incorrect statement.
Start float and finish float are always equal.	Total float can be either start float or finish float.
Start float and finish float need not be equal.	Start float and finish float are the differences between activity times and not event times.

12. Free float is mainly used to ______.
identify the activities which can be delayed without affecting the total float of preceding activity	identify the activities, which can be delayed without affecting the total float of succeeding activity
establish priorities	identify the activities which can be delayed without affecting the total float of either the preceding or succeeding activities

13. 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

14. 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

15. Select the incorrect statement.
A critical path always begins at the very first event.	A critical path always terminates at the last event.
Critical activities control the project duration.	Critical activity is the one for which free float is zero.

16. Free float for any activity is defined as the difference between
its earliest finish time and earliest start time for its successor activity	its latest start time and earliest start time
its latest finish time and earliest start time for its successor activity	its earliest finish time and latest start time for its successor activity

17. Critical path ______?
is always longest	is always shortest
may be longest	may be shortest

18. The independent float affects only ______.
preceding activities	succeeding activities
the particular activity involved	none of the above

19. A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be
15 minutes	20.143 minutes
21 minutes	27 minutes

20. What estimate would you give for the variance in above problem ?
81	54
36	9

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