CIVIL ENGINEERING INTERVIEW QUESTIONS | MECHANICAL ENGINEERING QUESTIONS and MCQS

Objective Highway Engineering Questions and Answers pdf

71.    The maximum number of vehicles beyond which the rotary may not function efficiently is
a)    500 vehicles per hour
b)    500 vehicles per day
c)    5000 vehicles per hour
d)    5000 vehicles per day
Ans: c

72.    A traffic rotary is justified where
a)    number of intersecting roads is between 4 and 7
b)    space is limited and costly
c)    when traffic volume is less than 500 vehicles per hour
d)    when traffic volume is more than 5000 vehicles per hour
Ans: a

73.    When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is
a)    circular
b)    tangent
c)    elliptical
d)    turbine
Ans: b

74.    Maximum number of vehicles can be parked with
a)    parallel parking
b)    30° angle parking
c)    45° angle parking
d)    90° angle parking
Ans: d

75.    When the width of kerb parking space and width of street are limited, generally preferred parking system is
a)    parallel parking
b)    45° angle parking
c)    65° angle parking
d)    90° angle parking
Ans: a

76.    As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is
a)    10 lux
b)    15 lux
c)    20 lux
d)    30 lux
Ans: d

77.    The most economical lighting layout which is suitable for narrow roads is
a)    single side lighting
b)    staggered system
c)    central lighting system
d)    none of the above
Ans: a

78.    The direct interchange ramp involves
a)    diverging to the right side and merging from left
b)    diverging to the left side and merging from right
c)    diverging to the right side and merging from right
d)    diverging to the left side and merging from left
Ans: c

79.    In soils having same values of plasticity index, if liquid limit is increased, then
a)    compressibility and permeability decrease and dry strength increases
b)    compressibility, permeability and dry strength decrease
c)    compressibility, permeability and dry strength increase
d)    compressibility and permeability increase and dry strength decreases
Ans: d

80.    Which of the following tests measures the toughness of road aggregates ?
a)    crushing strength test
b)    abrasion test
c)    impact test
d)    shape test
Ans: c

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Highway Engineering Objective type Questions and Answers pdf

61.    The background colour of the informatory sign board is
a)    red
b)    yellow
c)    green
d)    white
Ans: b

62.    Which of the following is indicated by a warning sign ?
a)    level crossing
b)    no parking
c)    end of speed limit
d)    overtaking prohibited
Ans: a

63.    "Dead Slow" is a
a)    regulatory sign
b)    warning sign
c)    informatory sign
d)    none of the above
Ans: a

64.    The most efficient traffic signal system is
a)    simultaneous system
b)    alternate system
c)    flexible progressive system
d)    simple progressive system
Ans: c

65.    The provision of traffic signals at intersections
a)    reduces right angled and rear end collisions
b)    increases right angled and rear end collisions
c)    reduces right angled collisions but may increase rear end collisions
d)    reduces rear end collisions but may increase right angled collisions
Ans: c

66.    Select the incorrect statement.
a)    Stop or red time of a signal is the sum of go and clearance intervals for the cross flow.
b)    Go or green time of a signal is the sum of stop and clearance intervals for the cross flow.
c)    Clearance time is generally 3 to 5 seconds.
d)    The cycle length is normally 40 to 60 seconds for two phase signals.
Ans: b

67.    Centre line markings are used
a)    to designate traffic lanes
b)    in roadways meant for two way traffic
c)    to indicate that overtaking is not permitted
d)    to designate proper lateral placement of vehicles before turning to different directions
Ans: b

68.    The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as
a)    stop lines
b)    turn markings
c)    crosswalk lines
d)    lane lines
Ans: c

69. The entrance and exit curves of a rotary have
a)    equal radii and equal widths of pavement
b)    equal radii but pavement width is more at entrance than at exit curve
c)    equal pavement widths but radius is more at entrance curve than at exit curve
d)    different radii and different widths of pavement
Ans: d

70.    When two equally important roads cross roughly at right angles, the suitable shape of central island is
a)    circular
b)    elliptical
c)    tangent
d)    turbine
Ans: a

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