In CBR test, the standard load is the penetration resistance of plunger into a _________

standard sample of crushed stones

The flexible pavements consists of _____________

wearing surface present at only specific places

For a Poisson’s ratio of 0.5, the elastic strain ∆ is ___________

$∆=\frac{a^2}{2E(a^2+z^2)^\frac{1}{2}} $

$∆=\frac{pa^2}{2E(a^2+z^2)^\frac{1}{2}} $

$∆=\frac{3pa^2}{2E(a^2+z^2)^\frac{1}{2}} $

$∆=\frac{a^2}{2E(a^2+z^2)^\frac{1}{2}} $

The stresses in rigid pavement are due to ________

restrained temperature, external loads and frost action

The elastic strain ∆ of the subgrade is __________

$∆=\frac{p}{2}\left[\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]$

$∆=\frac{p}{E}\left[(2-2μ^2)(a^2+z^2)^\frac{1}{2}-\frac{(1+μ) z^2}{(a^2+z^2)^\frac{1}{2}}+(μ+2μ^2-1)z\right]$

$∆=\frac{p}{2}\left[\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]$

$∆=\frac{p}{2}\left[1-2μ-\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]$

$∆=\frac{p}{2}\left[1+2μ-\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]$

$\frac{standard \,load}{test \,load}*100$

$\frac{Test \,load}{standard \,load}*100$

$\frac{standard \,load}{test \,load}*100$

$\frac{2*Test\, load}{standard \,load}*100$

The stress σz at any point (r,z) below the pavement is __________

$σ_z=\frac{3P}{2πz^2}\left[\frac{1}{1+(\frac{r}{z})^3}\right]^\frac{5}{2}$

$σ_z=\frac{3P}{2πz^2}\left[\frac{1}{(\frac{r}{z})^2}\right]^\frac{5}{2}$

$σ_z=\left[\frac{1}{1+(\frac{r}{z})^2}\right]^\frac{5}{2}$

$σ_z=\frac{3P}{2πz^2}\left[\frac{1}{1+(\frac{r}{z})^2}\right]^\frac{5}{2}$

The essential difference between rigid flexible pavements is ___________

Distribution of load over sub-base

Distribution of load over sub-grade

Distribution of load over sub-base

Base_course_and_sub-base_course_are_used_under_flexible_pavements_for____________purpose.$

To increase load supporting capacity

The essential difference between rigid flexible pavements is___________

Distribution of load over sub-base

Distribution of load over sub-grade

Distribution of load over sub-base

88 + Mcqs in Types Pavement in Geotechnical Engineering Page 2 McqOptions

51.	In CBR test, the standard load is the penetration resistance of plunger into a _________
A.	standard sample of crushed stones
B.	clay
C.	saturated silt
D.	peat
Answer» B. clay

Discussion

52.	The flexible pavements consists of _____________
A.	thin wearing surface
B.	thick wearing surface
C.	no wearing surface
D.	wearing surface present at only specific places
Answer» B. thick wearing surface

Discussion

53.	For a Poisson’s ratio of 0.5, the elastic strain ∆ is ___________
A.	$∆=\frac{3pa^2}{2E} $
B.	$∆=\frac{pa^2}{2E(a^2+z^2)^\frac{1}{2}} $
C.	$∆=\frac{3pa^2}{2E(a^2+z^2)^\frac{1}{2}} $
D.	$∆=\frac{a^2}{2E(a^2+z^2)^\frac{1}{2}} $
Answer» D. $∆=\frac{a^2}{2E(a^2+z^2)^\frac{1}{2}} $

Discussion

54.	The pressure transmitted to the surface of the pavement by the wheel is ________
A.	differential pressure
B.	absolute pressure
C.	contact pressure
D.	atmospheric pressure
Answer» D. atmospheric pressure

Discussion

55.	The base course contains __________
A.	granular material
B.	bituminous material
C.	silt
D.	clay
Answer» B. bituminous material

Discussion

56.	The stresses in rigid pavement are due to ________
A.	restrained temperature only
B.	external loads only
C.	frost action only
D.	restrained temperature, external loads and frost action
Answer» E.

Discussion

57.	In a day, the top surface of rigid pavement ______ than the bottom of slab.
A.	expands
B.	contracts
C.	remains stable
D.	shows no changes
Answer» B. contracts

Discussion

58.	A semi-flexible pavement is made of ___________
A.	tar only
B.	bitumen only
C.	dry-lean concrete
D.	aggregates only
Answer» D. aggregates only

Discussion

59.	If there is no friction between the slab and the sub-grade, then there are ______ in slab.
A.	no stresses
B.	small number of stresses
C.	large number of stresses
D.	temperature gradients
Answer» B. small number of stresses

Discussion

60.	The elastic strain ∆ of the subgrade is __________
A.	$∆=\frac{p}{E}\left[(2-2μ^2)(a^2+z^2)^\frac{1}{2}-\frac{(1+μ) z^2}{(a^2+z^2)^\frac{1}{2}}+(μ+2μ^2-1)z\right]$
B.	$∆=\frac{p}{2}\left[\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]$
C.	$∆=\frac{p}{2}\left[1-2μ-\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]$
D.	$∆=\frac{p}{2}\left[1+2μ-\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]$
Answer» B. $∆=\frac{p}{2}\left[\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]$

Discussion

61.	The critical stress condition in slab occurs when __________
A.	corners remain unwrapped
B.	corners are wrapped upward
C.	corners are wrapped downward
D.	corners are wrapped laterally
Answer» D. corners are wrapped laterally

Discussion

62.	The maximum legal axle wheel load is _________ kg as specified by IRC.
A.	3473
B.	5466
C.	8170
D.	4085
Answer» D. 4085

Discussion

63.	If the load is at the surface of subgrade, the elastic strain is ________
A.	$∆=\frac{pa}{E} 1.5$
B.	$∆=\frac{3pa^2}{2E} 2.5$
C.	$∆=\frac{a^2}{2E} 3$
D.	$∆=\frac{pa^2}{2E} 3.5$
Answer» B. $∆=\frac{3pa^2}{2E} 2.5$

Discussion

64.	The sub-base is __________
A.	below the base course
B.	above the base course
C.	below the sub-grade
D.	above the wearing course
Answer» B. above the base course

Discussion

65.	For a Poisson’s ratio of 0.5, the elastic strain ∆ in terms of Boussinesq settlement factor is __________
A.	$∆=\frac{pa}{E} F_B$
B.	$∆=\frac{3pa^2}{2E} F_B$
C.	$∆=\frac{a^2}{2E} F_B$
D.	$∆=\frac{pa^2}{2E} F_B$
Answer» B. $∆=\frac{3pa^2}{2E} F_B$

Discussion

66.	The CBR is _______
A.	$\frac{Test \,load}{standard \,load}*100$
B.	$\frac{standard \,load}{test \,load}*100$
C.	$\frac{2Test\, load}{standard \,load}100$
D.	Test load*100
Answer» B. $\frac{standard \,load}{test \,load}*100$

Discussion

67.	In flexible pavement, _______ sub grade is more essential.
A.	well – compacted
B.	poorly-compacted
C.	low quality
D.	uniform
Answer» C. low quality

Discussion

68.	____________is a relatively stable crust constructed over the natural soil for the purpose of supporting and distributing the wheel loads.
A.	pavements
B.	wall
C.	beam
D.	column
Answer» B. wall

Discussion

69.	In CBR test, the cylindrical plunger of ________ diameter is used.
A.	5 cm
B.	10 cm
C.	15 cm
D.	20 cm
Answer» B. 10 cm

Discussion

70.	The uniform sub grade support is most important in ___________
A.	flexible pavement
B.	semi-flexible pavement
C.	rigid pavement
D.	tar pavement
Answer» D. tar pavement

Discussion

71.	The rigid pavement tends to distribute the load by ______
A.	slab mechanism
B.	grain to grain transfer
C.	column mechanism
D.	footing mechanism
Answer» B. grain to grain transfer

Discussion

72.	In CBR test, the rate of penetration of plunger is _______ mm/min.
A.	0.25
B.	1.25
C.	2.35
D.	3.25
Answer» C. 2.35

Discussion

73.	The stress σz at any point (r,z) below the pavement is __________
A.	$σ_z=\frac{3P}{2πz^2}\left[\frac{1}{1+(\frac{r}{z})^3}\right]^\frac{5}{2}$
B.	$σ_z=\frac{3P}{2πz^2}\left[\frac{1}{(\frac{r}{z})^2}\right]^\frac{5}{2}$
C.	$σ_z=\left[\frac{1}{1+(\frac{r}{z})^2}\right]^\frac{5}{2}$
D.	$σ_z=\frac{3P}{2πz^2}\left[\frac{1}{1+(\frac{r}{z})^2}\right]^\frac{5}{2}$
Answer» E.

Discussion

74.	The thickness design of the flexible pavement is influenced by _________
A.	Distributing load
B.	Strength of sub-grade
C.	Sub-base
D.	Soil properties
Answer» C. Sub-base

Discussion

75.	The essential difference between rigid flexible pavements is ___________
A.	Distribution of load over sub-grade
B.	Distribution of load over sub-base
C.	Materials used
D.	Thickness of layers
Answer» B. Distribution of load over sub-base

Discussion

76.	IN_PAVEMENTS,____________FORMS_THE_FOUNDATION_LAYER.?$
A.	Base course
B.	Sub-base
C.	Sub-grade
D.	Wearing course
Answer» D. Wearing course

Discussion

77.	The flexible pavement-thickness consists of __________ components.$
A.	Two
B.	Three
C.	Four
D.	Five
Answer» C. Four

Discussion

78.	Base_course_and_sub-base_course_are_used_under_flexible_pavements_for____________purpose.$
A.	To provide foundation
B.	To increase durability
C.	To increase load supporting capacity
D.	All of the mentioned
Answer» D. All of the mentioned

Discussion

79.	Which of the following layer of pavement should withstand high level of deformation?
A.	Base course
B.	Sub-base
C.	Sub-grade
D.	Surfacing course
Answer» B. Sub-base

Discussion

80.	Which of the following pavement can be used, for construction on black cotton soils?
A.	Flexible pavement
B.	Semi-flexible pavement
C.	Rigid pavement
D.	All of the mentioned
Answer» D. All of the mentioned

Discussion

81.	The stability of sub-grade in a pavement is influenced by_________?
A.	Compaction
B.	water contact
C.	Materials used
D.	Rigidity
Answer» C. Materials used

Discussion

82.	The wearing surface of pavement are made of _________
A.	Bituminous materials
B.	Portland cement concrete
C.	Dry-lean concrete
D.	Other materials
Answer» B. Portland cement concrete

Discussion

83.	Which of the following pavement is capable of resisting small tensile strength?
A.	Semi-flexible pavement
B.	Rigid pavement
C.	Flexible pavement
D.	All of the mentioned
Answer» D. All of the mentioned

Discussion

84.	Rigid pavement are commonly made of ________
A.	Bitumen
B.	Portland cement concrete
C.	Dry-lean concrete
D.	None of the mentioned
Answer» C. Dry-lean concrete

Discussion

85.	The essential difference between rigid flexible pavements is___________
A.	Distribution of load over sub-grade
B.	Distribution of load over sub-base
C.	Materials used
D.	Thickness of layers
Answer» B. Distribution of load over sub-base

Discussion

86.	The thickness design of the flexible pavement is influenced by_________
A.	Distributing load
B.	Strength of sub-grade
C.	Sub-base
D.	Soil properties
Answer» C. Sub-base

Discussion

87.	Pavements are classified, based on ________ factors.
A.	Earth surface
B.	Materials used
C.	Rigidity of the pavement
D.	Distributing loads
Answer» D. Distributing loads

Discussion

88.	Which of the following is a classification of pavements?
A.	Load pavement
B.	Sub-grade pavement
C.	Flexible pavement
D.	Rigidity pavement
Answer» D. Rigidity pavement

Discussion

53.	For a Poisson’s ratio of 0.5, the elastic strain ∆ is ___________
A.	\(∆=\frac{3pa^2}{2E} \)
B.	\(∆=\frac{pa^2}{2E(a^2+z^2)^\frac{1}{2}} \)
C.	\(∆=\frac{3pa^2}{2E(a^2+z^2)^\frac{1}{2}} \)
D.	\(∆=\frac{a^2}{2E(a^2+z^2)^\frac{1}{2}} \)
Answer» D. \(∆=\frac{a^2}{2E(a^2+z^2)^\frac{1}{2}} \)

60.	The elastic strain ∆ of the subgrade is __________
A.	\(∆=\frac{p}{E}\left[(2-2μ^2)(a^2+z^2)^\frac{1}{2}-\frac{(1+μ) z^2}{(a^2+z^2)^\frac{1}{2}}+(μ+2μ^2-1)z\right]\)
B.	\(∆=\frac{p}{2}\left[\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]\)
C.	\(∆=\frac{p}{2}\left[1-2μ-\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]\)
D.	\(∆=\frac{p}{2}\left[1+2μ-\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]\)
Answer» B. \(∆=\frac{p}{2}\left[\frac{2(1+μ)z}{(a^2+z^2)^\frac{1}{2}}+ \frac{z^3}{(a^2+z^2)^\frac{3}{2}}\right]\)

63.	If the load is at the surface of subgrade, the elastic strain is ________
A.	\(∆=\frac{pa}{E} 1.5\)
B.	\(∆=\frac{3pa^2}{2E} 2.5\)
C.	\(∆=\frac{a^2}{2E} 3\)
D.	\(∆=\frac{pa^2}{2E} 3.5\)
Answer» B. \(∆=\frac{3pa^2}{2E} 2.5\)

65.	For a Poisson’s ratio of 0.5, the elastic strain ∆ in terms of Boussinesq settlement factor is __________
A.	\(∆=\frac{pa}{E} F_B\)
B.	\(∆=\frac{3pa^2}{2E} F_B\)
C.	\(∆=\frac{a^2}{2E} F_B\)
D.	\(∆=\frac{pa^2}{2E} F_B\)
Answer» B. \(∆=\frac{3pa^2}{2E} F_B\)

66.	The CBR is _______
A.	\(\frac{Test \,load}{standard \,load}*100\)
B.	\(\frac{standard \,load}{test \,load}*100\)
C.	\(\frac{2Test\, load}{standard \,load}100\)
D.	Test load*100
Answer» B. \(\frac{standard \,load}{test \,load}*100\)

73.	The stress σz at any point (r,z) below the pavement is __________
A.	\(σ_z=\frac{3P}{2πz^2}\left[\frac{1}{1+(\frac{r}{z})^3}\right]^\frac{5}{2}\)
B.	\(σ_z=\frac{3P}{2πz^2}\left[\frac{1}{(\frac{r}{z})^2}\right]^\frac{5}{2}\)
C.	\(σ_z=\left[\frac{1}{1+(\frac{r}{z})^2}\right]^\frac{5}{2}\)
D.	\(σ_z=\frac{3P}{2πz^2}\left[\frac{1}{1+(\frac{r}{z})^2}\right]^\frac{5}{2}\)
Answer» E.

Explore topic-wise MCQs in Geotechnical Engineering.

In CBR test, the standard load is the penetration resistance of plunger into a _________

The flexible pavements consists of _____________

For a Poisson’s ratio of 0.5, the elastic strain ∆ is ___________

The pressure transmitted to the surface of the pavement by the wheel is ________

The base course contains __________

The stresses in rigid pavement are due to ________

In a day, the top surface of rigid pavement ______ than the bottom of slab.

A semi-flexible pavement is made of ___________

If there is no friction between the slab and the sub-grade, then there are ______ in slab.

The elastic strain ∆ of the subgrade is __________

The critical stress condition in slab occurs when __________

The maximum legal axle wheel load is _________ kg as specified by IRC.

If the load is at the surface of subgrade, the elastic strain is ________

The sub-base is __________

For a Poisson’s ratio of 0.5, the elastic strain ∆ in terms of Boussinesq settlement factor is __________

The CBR is _______

In flexible pavement, _______ sub grade is more essential.

____________is a relatively stable crust constructed over the natural soil for the purpose of supporting and distributing the wheel loads.

In CBR test, the cylindrical plunger of ________ diameter is used.

The uniform sub grade support is most important in ___________

The rigid pavement tends to distribute the load by ______

In CBR test, the rate of penetration of plunger is _______ mm/min.

The stress σz at any point (r,z) below the pavement is __________

The thickness design of the flexible pavement is influenced by _________

The essential difference between rigid flexible pavements is ___________

IN_PAVEMENTS,____________FORMS_THE_FOUNDATION_LAYER.?$

The flexible pavement-thickness consists of __________ components.$

Base_course_and_sub-base_course_are_used_under_flexible_pavements_for____________purpose.$

Which of the following layer of pavement should withstand high level of deformation?

Which of the following pavement can be used, for construction on black cotton soils?

The stability of sub-grade in a pavement is influenced by_________?

The wearing surface of pavement are made of _________

Which of the following pavement is capable of resisting small tensile strength?

Rigid pavement are commonly made of ________

The essential difference between rigid flexible pavements is___________

The thickness design of the flexible pavement is influenced by_________

Pavements are classified, based on ________ factors.

Which of the following is a classification of pavements?