To prevent movement of moisture from sub-grade to road pavement at the same level as that of water-table, thickness of a cut off layer of coarse sand, is (A) 15 cm (B) 20 cm (C) 30 cm (D) 45 cm

To prevent movement of moisture from sub-grade to road pavement at the same level as that of
water-table, thickness of a cut off layer of coarse sand, is
(A) 15 cm
(B) 20 cm
(C) 30 cm
(D) 45 cm
by

1 Answer

Answer :

Answer: Option A
by

Related questions

To prevent movement of moisture from sub-grade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is (A) 15 cm (B) 20 cm (C) 30 cm (D) None of these

Description : To prevent movement of moisture from sub-grade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is (A) 15 cm (B) 20 cm (C) 30 cm (D) None of these

Last Answer : Answer: Option D

Which of the following correspond to the recommendations of IRC for pavement thickness determination by CBR Method ? 1. CBR tests are to be conducted in-situ 2. Static compression is best adopted 3. The top 50 cm of sub grade should be compacted to as near the proctor density as possible (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only

Description : Which of the following correspond to the recommendations of IRC for pavement thickness determination by CBR Method ? 1. CBR tests are to be conducted in-situ 2. Static compression is best adopted 3. The top 50 cm of sub grade ... 1, 2 and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only

Last Answer : (c) 2 and 3 only

For a poorly graded sub-grade soil, thickness of sub-base, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 30 cm

Description : For a poorly graded sub-grade soil, thickness of sub-base, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 30 cm

Last Answer : Answer: Option D

Minimum thickness of a layer of fine sand required to cut off capillary rise of water completely, should be (A) 40 cm(B) 52 cm (C) 64 cm (D) 76 cm

Description : Minimum thickness of a layer of fine sand required to cut off capillary rise of water completely, should be (A) 40 cm (B) 52 cm (C) 64 cm (D) 76 cm

Last Answer : Answer: Option D

If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2 , spacing of 10 mm tie bars for the longitudinal joint, is (A) 10 cm (B) 20 cm (C) 30 cm (D) 40 cm

Description : If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2 , spacing of 10 mm tie bars for the longitudinal joint, is (A) 10 cm (B) 20 cm (C) 30 cm (D) 40 cm

Last Answer : Answer: Option C

Bottom most layer of pavement is known as (A) Wearing course (B) Base course (C) Sub-base course (D) Sub-grade

Description : Bottom most layer of pavement is known as (A) Wearing course (B) Base course (C) Sub-base course (D) Sub-grade

Last Answer : Answer: Option D

Minimum thickness of the base of a flexible pavement, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm

Description : Minimum thickness of the base of a flexible pavement, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm

Last Answer : Answer: Option A

If the difference in elevation of an edge of the pavement 9 m wide and its crown is 15 cm, the camber of the pavement, is (A) 1 in 60 (B) 1 in 45 (C) 1 in 30 (D) 1 in 15

Description : If the difference in elevation of an edge of the pavement 9 m wide and its crown is 15 cm, the camber of the pavement, is (A) 1 in 60 (B) 1 in 45 (C) 1 in 30 (D) 1 in 15

Last Answer : Answer: Option C

The aggregate impact value of the aggregate used in (A) Building concrete is less than 45 (B) Road pavement concrete is less than 30 (C) Runway concrete is less than 30 (D) All the above

Description : The aggregate impact value of the aggregate used in (A) Building concrete is less than 45 (B) Road pavement concrete is less than 30 (C) Runway concrete is less than 30 (D) All the above

Last Answer : Answer: Option D

Bottom-most component of a flexible pavement, is (A) Sub-grade (B) Sub-base (C) Base (D) Base course

Description : Bottom-most component of a flexible pavement, is (A) Sub-grade (B) Sub-base (C) Base (D) Base course

Last Answer : Answer: Option A

Design of flexible pavement, involves (A) Wheel loads (B) Intensity of traffic (C) Climate of the region (D) Sub-grade conditions

Description : Design of flexible pavement, involves (A) Wheel loads (B) Intensity of traffic (C) Climate of the region (D) Sub-grade conditions

Last Answer : Answer: Option C

The fundamental factor in the selection of pavement type is (A) Climatic condition (B) Type and intensity of traffic (C) Sub-grade soil and drainage conditions (D) Availability of funds for the construction project

Description : The fundamental factor in the selection of pavement type is (A) Climatic condition (B) Type and intensity of traffic (C) Sub-grade soil and drainage conditions (D) Availability of funds for the construction project

Last Answer : Answer: Option B

Flexible pavement distribute the wheel load (A) Directly to sub-grade (B) Through structural action (C) Through a set of layers to the sub-grade (D) None of the above

Description : Flexible pavement distribute the wheel load (A) Directly to sub-grade (B) Through structural action (C) Through a set of layers to the sub-grade (D) None of the above

Last Answer : Answer: Option C

In a concrete pavement, during summer, at and soon after mid-day, the combined stress at the interior of the slab is equal to : (a) Wheel load stress + Temperature warping stress + Sub grade resistance stress (b) Wheel load stress + Temperature warping stress – Sub grade resistant stress (c) Wheel load stress – Temperature warping stress + Sub grade resistant stress (d) Wheel load stress – Temperature warping stress − Sub grade resistant stress

Description : In a concrete pavement, during summer, at and soon after mid-day, the combined stress at the interior of the slab is equal to : (a) Wheel load stress + Temperature warping stress + Sub ... + Sub grade resistant stress (d) Wheel load stress - Temperature warping stress − Sub grade resistant stress

Last Answer : (b) Wheel load stress + Temperature warping stress – Sub grade resistant stress

Pick up the correct statement from the following: (A) Bulking of sand is caused due to formation of a thin film of surface moisture (B) Fine sand bulks more than coarse sand (C) The volume of fully saturated sand, is equal to the volume of dry and loose sand (D) All the above

Description : Pick up the correct statement from the following: (A) Bulking of sand is caused due to formation of a thin film of surface moisture (B) Fine sand bulks more than coarse sand (C) The volume of fully saturated sand, is equal to the volume of dry and loose sand (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% (B) The bulking of fine sand is more than that of coarse sand (C) If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing (D) All the above

Description : Pick up the correct statement from the following: (A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% (B) The bulking of fine sand is ... the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing (D) All the above

Last Answer : Answer: Option D

Which one of the following statements is correct? (a) Adding 5% to 6% of moisture by weight increases the volume of dry sand from 18% to 38% (b) The bulking of fine sand is more than that of coarse sand (c ) Volume of fully saturated sand is equal to that of dry sand (d) All of the above

Description : Which one of the following statements is correct? (a) Adding 5% to 6% of moisture by weight increases the volume of dry sand from 18% to 38% (b) The bulking of fine sand is more than that of coarse sand (c ) Volume of fully saturated sand is equal to that of dry sand (d) All of the above

Last Answer : (d) All of the above

If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, 6 kg, 4 kg respectively, the fineness modulus of the aggregate, is (A) 7.30 (B) 7.35 (C) 7.40 (D) 7.45

Description : If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, ... , the fineness modulus of the aggregate, is (A) 7.30 (B) 7.35 (C) 7.40 (D) 7.45

Last Answer : Answer: Option C

Select the correct statement. (A) More the value of group index, less thickness of pavement will be required (B) More the value of CBR, greater thickness of pavement will be required (C) Minimum and maximum values of group index can be 0 and 20 respectively (D) All of the above

Description : Select the correct statement. (A) More the value of group index, less thickness of pavement will be required (B) More the value of CBR, greater thickness of pavement will be required (C) Minimum and maximum values of group index can be 0 and 20 respectively (D) All of the above

Last Answer : Answer: Option C

Non-passing sight distance along a road is the longest distance at which the driver of a moving vehicle, may see an obstacle on the pavement (A) 10 cm high (B) 25 cm high (C) 50 cm high (D) 100 cm high

Description : Non-passing sight distance along a road is the longest distance at which the driver of a moving vehicle, may see an obstacle on the pavement (A) 10 cm high (B) 25 cm high (C) 50 cm high (D) 100 cm high

Last Answer : Answer: Option A

Thickness of broken line markings on multi-lane road for lanes is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm

Description : Thickness of broken line markings on multi-lane road for lanes is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm

Last Answer : Answer: Option A

Thickness of broken centre line markings for a four lane road, is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm

Description : Thickness of broken centre line markings for a four lane road, is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm

Last Answer : Answer: Option C

On the recommendations of Indian Road Congress, the ruling gradient in plains, is (A) 1 in 15 (B) 1 in 20 (C) 1 in 30 (D) 1 in 45

Description : On the recommendations of Indian Road Congress, the ruling gradient in plains, is (A) 1 in 15 (B) 1 in 20 (C) 1 in 30 (D) 1 in 45

Last Answer : Answer: Option C

For compacting plain concrete road surface of thickness less than 20 cm, we use (A) Internal vibrator (B) Screed vibrator (C) Form vibrator (D) None of these

Description : For compacting plain concrete road surface of thickness less than 20 cm, we use (A) Internal vibrator (B) Screed vibrator (C) Form vibrator (D) None of these

Last Answer : Answer: Option B

For compacting plain concrete road surface of thickness less than 20 cm, the following vibrator is used. [ A ] Internal vibrator [ B ] Screed vibrator [ C ] Form vibrator [ D ] None of the above

Description : For compacting plain concrete road surface of thickness less than 20 cm, the following vibrator is used. [ A ] Internal vibrator [ B ] Screed vibrator [ C ] Form vibrator [ D ] None of the above

Last Answer : [ B ] Screed vibrator

The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec

Description : The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration ... 60) the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec

Last Answer : ANS: C

Sub soilders are operated at maximum depth of (a) 30-40 cm (b) 45-75 cm (c) 75-90 cm (d) 10-20 cm

Description : Sub soilders are operated at maximum depth of (a) 30-40 cm (b) 45-75 cm (c) 75-90 cm (d) 10-20 cm

Last Answer : (b) 45-75 cm

The raft slab is projected beyond the outer walls of the structure by (A) 5 to 10 cm (B) 15 to 20 cm (C) 25 to 30 cm (D) 30 to 45 cm

Description : The raft slab is projected beyond the outer walls of the structure by (A) 5 to 10 cm (B) 15 to 20 cm (C) 25 to 30 cm (D) 30 to 45 cm

Last Answer : Answer: Option D

The main factor which affects the infiltration capacity, is (A) Thickness of saturated layer (B) Depth of surface detention (C) Soil moisture (D) All the above

Description : The main factor which affects the infiltration capacity, is (A) Thickness of saturated layer (B) Depth of surface detention (C) Soil moisture (D) All the above

Last Answer : Answer: Option D

The width formation of a road means the width of (A) Carriageway (B) Pavement and shoulders (C) Embankment at ground level (D) Embankment at the top level

Description : The width formation of a road means the width of (A) Carriageway (B) Pavement and shoulders (C) Embankment at ground level (D) Embankment at the top level

Last Answer : Answer: Option D

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 (A) 20 kg/tonne (B) 30 kg/tonne (C) 40 kg/tonne (D) 50 kg/tonne

Description : 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 ... will be (A) 20 kg/tonne (B) 30 kg/tonne (C) 40 kg/tonne (D) 50 kg/tonne

Last Answer : (C) 40 kg/tonne

Nominal cover for M30 grade concrete in moderate exposure is (as per IS:456-2000) [ A ] 20 mm [ B ] 30 mm [ C ] 45 mm [ D ] 50 mm

Description : Nominal cover for M30 grade concrete in moderate exposure is (as per IS:456-2000) [ A ] 20 mm [ B ] 30 mm [ C ] 45 mm [ D ] 50 mm

Last Answer : [ B ] 30 mm

Nominal cover for M30 grade concrete in moderate exposure is (as per IS:456-2000) [ A ] 20 mm [ B ] 30 mm [ C ] 45 mm [ D ] 50 mm

Description : Nominal cover for M30 grade concrete in moderate exposure is (as per IS:456-2000) [ A ] 20 mm [ B ] 30 mm [ C ] 45 mm [ D ] 50 mm

Last Answer : [ B ] 30 mm

For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of (A) 5 mm (B) 10 mm (C) 15 mm (D) 25 mm

Description : For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of (A) 5 mm (B) 10 mm (C) 15 mm (D) 25 mm

Last Answer : Answer: Option D

According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 20 cm (B) 30 cm (C) 40 cm (D) 75 cm

Description : According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 20 cm (B) 30 cm (C) 40 cm (D) 75 cm

Last Answer : Answer: Option B

Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2 , is (A) 70 kg/sq cm (B) 80 kg/sq cm (C) 90 kg/sq cm (D) 100 kg/sq cm

Description : Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2 , is (A) 70 kg/sq cm (B) 80 kg/sq cm (C) 90 kg/sq cm (D) 100 kg/sq cm

Last Answer : Answer: Option C

According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm

Description : According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm

Last Answer : Answer: Option C

Brick walls are measured in sq. m if the thickness of the wall is (A) 10 cm (B) 15 cm (C) 20 cm (D) None of these

Description : Brick walls are measured in sq. m if the thickness of the wall is (A) 10 cm (B) 15 cm (C) 20 cm (D) None of these

Last Answer : (A) 10 cm

The maximum thickness of concrete floor of a cement warehouse, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm

Description : The maximum thickness of concrete floor of a cement warehouse, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm

Last Answer : (D) 25 cm

The minimum thickness of walls built in cement mortar (1 : 6) for a single storey building, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm

Description : The minimum thickness of walls built in cement mortar (1 : 6) for a single storey building, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm

Last Answer : Answer: Option C

The thickness of a reinforced brick partition wall, is generally kept (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm

Description : The thickness of a reinforced brick partition wall, is generally kept (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm

Last Answer : Answer: Option B

The basic formula for determination of pavement thickness was first suggested by (A) Spangler (B) Picket (C) Kelly (D) Goldbeck

Description : The basic formula for determination of pavement thickness was first suggested by (A) Spangler (B) Picket (C) Kelly (D) Goldbeck

Last Answer : Answer: Option D

If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is (A) b = d 2 ) - 0.675 d (B) b = d 2 ) + 0.675 d (C) b = d 2 ) - 3.675 d (D) b = d 2 ) - 0.675 d

Description : If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is (A) b = d 2 ) - 0.675 d (B) b = d 2 ) + 0.675 d (C) b = d 2 ) - 3.675 d (D) b = d 2 ) - 0.675 d

Last Answer : Answer: Option D

Thickness of a pavement may be reduced considerably by (A) Compaction of soil (B) Stabilisation of soil (C) Drainage of soil (D) Combination of all the above

Description : Thickness of a pavement may be reduced considerably by (A) Compaction of soil (B) Stabilisation of soil (C) Drainage of soil (D) Combination of all the above

Last Answer : Answer: Option D

If d is the economic designed depth of a slab, the thickness of the cement concrete pavement slab at interior, is kept (A) 1.275 d (B) 1.125 d (C) 0.85 d (D) 0.75 d

Description : If d is the economic designed depth of a slab, the thickness of the cement concrete pavement slab at interior, is kept (A) 1.275 d (B) 1.125 d (C) 0.85 d (D) 0.75 d

Last Answer : Answer: Option C

The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life pavement is (A) 1000 (B) 10,000 (C) 1,00,000 (D) 10,00,000

Description : The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life pavement is (A) 1000 (B) 10,000 (C) 1,00,000 (D) 10,00,000

Last Answer : Answer: Option D

The weight of vehicles affects (A) Pavement thickness (B) Ruling gradient (C) Limiting gradient (D) All the above

Description : The weight of vehicles affects (A) Pavement thickness (B) Ruling gradient (C) Limiting gradient (D) All the above

Last Answer : Answer: Option D

Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 kg/cm2 , is (A) 17.0 cm (B) 25.5 cm (C) 34.0 cm (D) 42.5 cm

Description : Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 kg/cm2 , is (A) 17.0 cm (B) 25.5 cm (C) 34.0 cm (D) 42.5 cm

Last Answer : Answer: Option B

According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is (A) 5 kg/cm2 (B) 10 kg/cm2 (C) 15 kg/cm2 (D) 20 kg/cm

Description : According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is (A) 5 kg/cm2 (B) 10 kg/cm2 (C) 15 kg/cm2 (D) 20 kg/cm

Last Answer : Answer: Option A

Pick up the correct statement from the following: (A) The dry density reduces by addition of water after attaining optimum moisture content (B) The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus (C) Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils (D) All the above

Description : Pick up the correct statement from the following: (A) The dry density reduces by addition of water after attaining optimum moisture content (B) The line joining the peak of three moisture content graphs ... be compacted to a very high density as compared to fine grained soils (D) All the above

Last Answer : Answer: Option D