1. 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
Ans: c
2. Select the correct statement.
a) Activity
arrows in a CPM network are drawn to scale
b) The
tail of an arrow represents the finish of an activity
c) Arrow
bead represents the start of an activity
d) none
of the above
Ans: d
3. Which of the following is a weakness of bar chart ?
a)
Interdependencies of activities
b) project
progress
c)
uncertainties
d) all
of the above
Ans: d
4. In the network shown in Fig. 1, activity 4-5 can be
started only when
a)
activity 3-4 is completed
b)
activity 2-4 is completed
c)
activity 2-3 is completed
d)
activity 2-4 and 2>-A both are com-pleted
Ans: d
5. Which of the following is not a PERT event ?
a)
site investigation started
b) sessional
work completed
c)
bus starts from Jaipur
d) class
is being attended
Ans: d
6. In PERT analysis, the time estimates of
activities and probability
of their occurrence follow a)
normal distribution curve
b) Poisson's
distribution curve
c) Beta
- distribution curve
d) none
of the above
Ans: c
7. The area under the Beta - distribution curve is divided
into two equal parts by
a) most
likely time
b) optimistic
time
c) pessimistic
time
d) expected
time
Ans: d
8. According to Fulkerson's rule, what are the correct
event numbers corresponding to events A, B, C, D,E, F and G of the network shown
in Fig. ?
a) 1,
2,3, 4, 5, 6 and 7 respectively
b) 1,
3,2,4, 5,6 and 7 respectively
c) 1,2,
3, 5, 6,4 and 7 respectively
d) 1,
3,2, 5, 6,4 and 7 respectively
Ans: b
9. With reference
to the network shown in Fig. , which statement is incorrect ?
a) Events
3 and 4 occur after event 2.
b) Event
7 can occur after event 4.
c) Event
7 precedes event 6.
d) Event
5 follows event 3.
Ans: b
10. In the network shown in Fig.(above Figure), the
concurrent and preceding activities corresponding to activity 2-4 are
respectively
a) 1-2
and 4-7
b) 2-3
and 1-2
c) 2-3
and 4-7
d) 1-2
and 3-6
Ans: b
11.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
Ans: a
12. Earliest finish of an activity is always
a) greater
than earliest event time of the following node
b) less
than earliest event time of the following node
c) less
than or equal to earliest event time of the following node
d) greater
than or equal to earliest event time of the following node
Ans: c
13. Select the incorrect statement.
a) Earliest
start of an activity is the early event time of the node it leaves.
b) Latest
finish of an activity is the late event time of the node it enters.
c) Latest
start of an activity is its latest finish minus its duration.
d) none
of the above
Ans: d
14. In the network shown in Fig. the earliest start time of activity 5-6 is
(the number on the arrow shows duration of the activity)
a) 7
b) 8
c) 9
d) 5
Ans:c
15. Latest start of an activity is always
a) greater
than or equal to latest event time of preceding node
b) less
than or equal to latest event time of preceding node
c) equal
to latest event time of preceding node
d) less than
latest event time
of preceding node
Ans: a
16. In the network shown in Fig. the latest start
time of an activity 4-5 is a) 2
b) 4
c) 8
d) 7
Ans: b
17. In the network shown in Fig. 7.5, the activity 6-8 can
be started only when
a) activity
4—6 is completed
b) activity
3 - 5 is completed
c) activity
2—3 is completed
d) both
activities 2—3 and 4—6 are completed
Ans: d
18. If the optimistic time, most likely time and
pessimistic time for activity A are 4, 6 and 8 respectively and for activity B
are 5, 5.5 and 9 respectively, then
a) expected
time of activity A is greater than the expected time of activity B
b) expected
time of activity B is greater than the expected time of activity A
c) expected
time of both activities A and B are same
d) none
of the above
Ans: c
19. 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
a) 3.5 and 5/6
b) 5
and 25/36
c) 3.5
and 25/36
d) 4
and 5/6
Ans: c
20. Select the incorrect statement.
a) Start
float and finish float are always equal.
b) Total
float can be either start float or finish float.
c) Start
float and finish float need not be equal.
d) Start
float and finish float are the differences between activity times and not event
times.
Ans: c
21. Free float is mainly used to
a) identify
the activities which can be delayed without affecting the total float of
preceding activity
b) identify
the activities, which can be delayed without affecting the total float of
succeeding activity c) establish priorities
d) identify the activities which can be delayed without
affecting the total float of either the preceding or succeeding activities
Ans: b
22. Whenever an activity has zero total float, then
a) free
float of the activity must be zero but independent float need not be zero
b) independent
float must be zero but free float need not be zero
c) free
float and independent float both must be zero
d) free
float and independent float both need not be zero
Ans: c
23. Total float for any activity is defined as the
difference between
a) its
latest finish time and earliest start time for its successor activity
b) its
latest start time and earliest start time
c) its
latest start time and earliest finish time
d) its
earliest finish time and earliest start time for its successor activity
Ans: b
24. In the network shown in Fig. independent float
for the activity 3-5 will be (the number on the arrow shows the duration of
activity)
a) 0
b) 1
c) 2
d) none
of the above
Ans: b
25. In the network shown in Fig. (below fig), the critical
path is
a) 1-2-3-4-5-6
b) 1-2-4-5-6
c) 1-2-3-5-6
d) 1-2-4-3-5-6
Ans: a
26. 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.
Ans: d
27. Free float for any activity is defined as the
difference between
a) its
earliest finish time and earliest start time for its successor activity
b) its
latest start time and earliest start time
c) its
latest finish time and earliest start time for its successor activity
d) its
earliest finish time and latest start time for its successor activity
Ans: a
28. Critical path
a) is
always longest
b) is
always shortest
c) may
be longest
d) may
be shortest
Ans: a
29. The independent
float affects only
a) preceding
activities
b) succeeding
activities
c) the
particular activity involved
d) none
of the above
Ans: c
30. 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
a) 15 minutes
b) 20.143
minutes
c) 21
minutes
d) 27
minutes
Ans: c
31.What estimate would you give for the variance in above problem ?
a) 81
b) 54
c) 36
d) 9
Ans: a
32. The time by which a particular activity can be
delayed without affecting the preceding and succeeding activities is known as
a) total float
b) free
float
c) interfering
float
d) independent
float
Ans: d
33. 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
Ans: b
34. The time corresponding to minimum total project cost is
a) crash
time
b) normal
time
c) optimistic
time
d) between
normal time and crash time
Ans: d
35. The direct cost of a project with respect to normal
time is
a) minimum
b) maximum
c) zero
d) infinite
Ans: a
36. The reduction in project time normally results in
a) decreasing
the direct cost and increasing indirect cost
b) increasing
the direct cost and decreasing the indirect cost
c) increasing
the direct cost and indirect cost both
d) decreasing
the direct cost and indirect cost both
Ans: b
37. Economic saving of time results by crashing
a) cheapest
critical activity
b) cheapest
non-critical activity
c) costliest
critical activity
d) costliest
non-critical activity
Ans: a
38. The process of incorporating changes and
rescheduling or replanning is called a) resource levelling
b) resource
smoothening
c) updating
d) critical
path scheduling
Ans: c
39. Slack time refers to
a) an
activity
b) an
event
c) both
event and activity
d) none
of the above
Ans: b
40. The
normal time required for the completion of project in the above problem is a) 9
days
b) 13
days
c) 14
days
d) 19
days
Ans: c
41. The
constraints in case of resource smoothening operation would be a) resources
b) project
duration time
c) both
resources and project duration time
d) none
of the above
Ans: b
42. Updating may result in
a) change
of critical path
b) decrease
of project completion time
c) increase
of project completion time
d) all
of the above
Ans: d
43. Crash project
duration is obtained by summing the
a) normal
durations for all the activities
b) crash
durations for all activities
c) crash
durations for all the activities along the critical path obtained by taking
into account the normal duration for all the activities
d) crash
durations for all the activities along the critical path obtained by taking
into account the crash duration for all the activities.
Ans: d
44. Interfering
float is the difference between
a) total
float and free float
b) total
float and independent float
c) free
float and independent float
d) none
of the above
Ans: a
45. Assertion (A):
Activity 5-7 is critical.
Reason (R) : Earliest finish time and latest finish time
for events 5-7 are same
Select the correct answer.
a) A is
correct but R is not correct
b) R is
correct but A is not correct
c) both
A and R are correct
d) both
A and R are incorrect
Ans: a
46. A tractor whose weight is 20 tonnes has a drawbar pull
of 2500 kg, when operated on a level road having a rolling resistence 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
a)
reduce by 200 kg
b) increase
by 200 kg
c) increase
by 250 kg
d) reduce
by 250 kg
Ans: a
47. Which of the following earth moving machines has
the shortest cycle time? a) Drag line
b) Hoe
c) Clam
shell
d) Dipper
shovel
Ans: d
48. Which of the following excavators is most
suitable for digging under water?
a) Drag line
b) Hoe
c) Clam
shell
d) Dipper
shovel
Ans: a
49. The part of a derrick crane include
(i) Mast
(ii) Boom
(iii) Bull
wheel
(iv) Jack
Of these statements
a) (i),
(ii) and (iv) are correct
b) (ii),
(iii) and (iv) are correct
c) (i),
(iii) and (iv) are correct
d) (i),
(ii) and (iii) are correct
Ans: d
50. 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
Ans: a
51.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
Ans: d
52. 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
Ans: b
53. 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.
a) Both
A and R are true and R is the correct explanation of A.
b) Both
A and R are true but R is not the correct explanation of A.
c) A
is true but R is false.
d) A is
false but R is true.
Ans: a
54. 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
a) equal to X
b) more
than X
c) less
than X
d) any
of the above
Ans: c
55. 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
a) (i)
and (iii) are correct
b) (i)
and (iv) are correct
c) (ii)
and (iii) are correct
d) (ii)
and (iv) are correct
Ans: b
56. 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/-
Ans: b
57. 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
a) Rs. 8,43,750/-
b) Rs.
8,75,000/-
c) Rs.
10,50,000/-
d) Rs.
11,56,250/-
Ans: a
58. 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
a) 500 cum
b)
1000 cum
c)
1500 cum
d)
2000 cum
Ans: a
59. Which one of the following surfaces will give
highest coefficient of traction while using crawler track tractors?
a) Ice
b) Concrete
c) Loose
sand
d) Earth
Ans: d
60. Rolling resistance of a wheel depends upon
(i) Vehicle
load
(ii) Grade
(iii) Ground
conditions Of these statements a) only (i) is correct
b) (i)
and (ii) are correct
c) (i)
and (iii) are correct
d) (ii)
and (iii) are correct
Ans: c
61. Which of the following surfaces will give highest
rolling resistance for a rubber tyred vehicle? a) Concrete
b) Loose
sand
c) Asphalt
d) Firm
earth
Ans: b
62. 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
a) 30 kg
b) 300
kg
c) 900
kg
d) 1000
kg
Ans: c
63. The grade resistance factor for an earth moving
machine can be obtained by multiplying grade percentage by a factor
approximately equal to
a) 2 kg/tonne
b) 6
kg/tonne
c) 9
kg/tonne
d) 20
kg/tonne
Ans: c
64. 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
a) 10000 kg
b) 12500
kg
c) 22500
kg
d) 5000
kg
Ans: b
65. A four wheel trac*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
a) 20 kg/tonne
b) 30
kg/tonne
c) 40
kg/tonne
d) 50
kg/tonne
Ans: c
66. 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 ?
a) Rs. 31050
b) Rs.
34500
c) Rs.
37950
d) Rs.
50000
Ans: a
67. 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
a) Rs.1740
b) Rs.3480
c) Rs.5220
d) Rs.6960
Ans: b
68.The probability of completion of any activity
within its expected time is
a) 50%
b) 84.1%
c) 99.9%
d) 100%
Ans: a
69. 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%
Ans: c
70. 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
Ans: d
71. 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
a) 2.3% and 84.1%
b) 97.7%
and 84.1%
c) 97.7
% and 15.9%
d) 15.9%
and 97.7%
Ans: a
72. 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
a) 3.7 years
b) 4.23
years
c) 5
years
d) 7.87
years
Ans: b
73. 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
a) 1,2
and 3 are correct
b) 1
and 4 are correct
c) 2,
3 and 4 are correct
d) 1,2
and 4 are correct
Ans: b
74. 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
Ans: b
75. In time-cost
optimization of a project, crashing is done.
a) on
all the activities
b) on
all the activities lying on the critical path
c) only
on activities lying on the orginal critical path and having flatter cost slopes
d) on
original critical activities and those that become critical at any stage of
crashing in the order of ascending cost slope
Ans: d
76. During the construction period, price variation clause
in contracts caters to
a) increase
in rates of only important materials
b) variation
in cost in materials element, labour element and petrol-oil-lubricant element
c) variation
in total cost of the project on an ad hoc basis
d) rate
of inflation
Ans: b
77. At a work site, statistical quality control of concrete
means
a) measurement
of risks to eliminate failures
b) applying
the theory' of probability to sample testing or inspection
c) reduction
in wastage of inspection costs
d) reduction
in costs for the removal of defects
Ans: b
78. In India, are prefabricated components costlier than
those of traditional cast-in-situ items that the prefabricated components
replace?
a) Yes,
because of heavier overheads and handling cost
b) Yes,
because of the very high order of quality control for the factory made
components
c) No,
because of repetitive manufacture of a number of elements
d) No,
because of savings in site labour
Ans: c
79. Mobilization advance up to 10% of the cost of work is
given to a contractor
a) on
commencement of work at site for payment of loan taken by him
b) for
the purchase of construction materials
c) for
the payment of advances to labour and other staff
d) for
all activities required to start the work at site on finalization of the
contract document
Ans: d
80. Sinking fund is
a) the
fund for rebuilding a structure when its economic life is over
b) raised
to meet maintenance costs
c) the
total sum to be paid to the municipal authorities by the tenants
d) a
part of the money kept in reserve for providing additional structures and
structural modifications Ans: a
81. A contractor has two options;© : 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
a) should invest in neither of the two projects
b) could
invest in either of the two projects
c) should
invest in project A
d) should
invest in project B
Ans: a
82. In resources levelling
a) total
duration of project is reduced
b) total
duration of project is increased
c) uniform
demand of resources is achieved
d) cost
of project is controlled
Ans: c
83. 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/-
Ans: c
84. 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
a) 1,2
and 4
b) 3,4
and 5
c) 1,3
and 4
d) 1,2
and 5
Ans: a
85. 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
a)
1,3,2,4
b) 3,1,4,2
c) 3,1,2,4
d) 1,3,4,
2
Ans: c
86. 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 a) 1,2,4,3,5
b) 1,3,2,4,5
c) 1,2,3,4,5
d) 1,3,4,2,5
Ans: c
87. 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
a) 8 days
b) 9
days
c) 10
days
d) 15
days
Ans: b
88. 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
a) 3425 kg
b) 5515
kg
c) 4350
kg
d) 2975
kg
Ans: b
89. Grader is used mainly for
a) trimming
and finishing
b) shaping
and trimming
c) finishing
and shaping
d) finishing,
shaping and trimming
Ans: d
90.Which one of the following is not an excavating
and moving type of equipment ?
a) Bulldozer
b) Clam
shell
c) Scraper
d) Dump
truck
Ans: d
91. The most suitable type of equipment for compaction of
cohesive soils is
a) Smooth-wheeled
rollers
b) Vibratory
rollers
c) Sheep
foot rollers
d) Tampers
Ans: c
92. For excavating utility trenches with precise
control of depth, the excavation equipment used is a) Hoe
b) Shovel
c) Dragline
d) None
of the above
Ans: a
93. The basic action involved in sheep foot rolling is
a) Kneading
b) Pressing
c) Tamping
d) Vibration
Ans: a
94. Batching refers to
a) controlling
the total quantity at each batch
b) weighing
accurately, the quantity of each material for a job before mixing
c) controlling
the quantity of each material into each batch
d) adjusting
the water to be added in each batch according to the moisture content of the
materials being mixed in the batch
Ans: c
95. 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
a) 1,3
and 4 are correct
b) 2, 3
and 4 are correct
c) 1,2
and 3 are correct
d) 1, 2
and 4 are correct
Ans: c
96. 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
Ans: d
97. Sensitivity analysis is a study of
a) comparison
of profit and loss
b) comparison
of assets and liabilities
c) change
in output due to change in input
d) economics
of cost and benefits of the project
Ans: c
98. 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) longest duration
b) highest
cost slope
c) least
cost slope
d) shortest
duration
Ans: c
99. Preliminary project report for a road project must
contain
a) the
detailed estimated cost based on detailed design
b) the
several alternatives of the project that have been considered
c) the
soil survey, traffic survey, concept design and approximate cost
d) the
contract documents for inviting tenders
Ans: c
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