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
Read More Questions:
Construction Planning and Management MCQs Part1
Construction Planning and Management MCQs Part2
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
Read More Questions:
Construction Planning and Management MCQs Part1
Construction Planning and Management MCQs Part2
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