Civil engineering multiple choice solved papers

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[Arun Vats]

As you required Civil engineering multiple choice papers so here I am providing you the papers.


1.The engine failure case for determining the basic runway length may require
only clearway
only stop way ,
either a clearway or a stopway
either a clearway or a stopway or both


2.As per ICAO, the minimum basic runway length for A and E type of airport will be
1500 m and 600 m
2100 m and 750 m
1500 m and 750 m
2100 m and 600 m


3.Consider the following statements regarding iCAO recommendation for correction to basic runway length # The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level. # The basic runway length after having been corrected for elevation should be further increased at the rate of 1 percent for every 1�C rise in airport reference temperature above the standard atmospheric temperature at that elevation. # The runway length after having been corrected for elevation and temperature should be further increased at the rate of 20% for every 1 percent of effective gradient. Of these statements
1 and 2 are correct
2 and 3 are correct
1 and 3 are correct
1,2 and 3 are correct


4.Runway threshold is indicated by a series of parallel lines starting from a distance of
3 m from runway end
6 m from runway end
10 m from runway end
15m from runway end


5.The size of landing area for multiengined helicopters operating under 1FR conditions is
22.5 m x 22.5 m
30 m x 30 m
22.5 m x 30 m
60 mx 120 m


6.The centre to centre spacing of heliport lighting along the periphery of landing and take off area should be
2.5 m
5.0 m
7.5 m
10.0 m


7.The length of runway under standard conditions is 2000 m. The elevation of airport site is 300 m. Its reference temperature is 33.05�C. If the runway is to be constructed with an effective gradient of 0.25 percent, the corrected runway length will be
2500 m
2600 m
2700 m
2800 m


8.Assertion A : The ratio of arriving and departing aircrafts influences the airport capacity: Reason R :Landing operation is generally given priority over the taking off operation. Select your answer based on the coding system given below:
Both A and R are true and R is the correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false.
A is false but R is true.


9.Calm period is the percentage of time during which wind intensity is less than
4.8 kmph
6.4 kmph
8.0 kmph
9.6 kmph


10.The cruising speed of the aircraft is 500 kmph. If there is a head wind of 50 kmph, then the air speed and ground speed of the aircraft respectively will be
450 kmph and 500 kmph
500 kmph and 450 kmph
450 kmph and 450 kmph
500 kmph and 500 kmph

11.An airport has 4 gates. If the weighted average gate occupancy time is 30 minutes and gate utilisation factor is 0.5, then the capacity of the gate will be
1 aircraft per hour
2 aircrafts per hour
4 aircrafts per hour
16 aircrafts per hour


12.As per ICAO, for A, B, and C type of airports, maximum effective, transverse and longitudinal grades in percentage respectively are
1.0, 1.5 and 1.5
1.0, 1.5 and 2.0
1.5, 1.5 and 2.0
2.0, 2.0 and 2.0


13.The slope of the obstruction clearance line from the boundary of the heliport should be
1:2
1:5
1:8
1:40


14.In Intrumental landing system, the middle markers are located
along the extended centre line of runway end
about 1 km. ahead of the runway threshold
at the runway threshold
about 7 km. ahead of the runway threshold


15.The width and interval of transverse centre line bars along the extended centre line of runway, in approach lighting system are
3 m and 30 m
4.2 m and 30 m
4.2 m and 50 m
3 m and 45 m

16.For determining the basic runway.length, the landing case requires that aircraft should come to a stop within p % of the landing distance. The value of p is
40 %
50%
60%
75%


17.If the monthly mean of average daily temperature for the hottest month of the year is 25� C and the monthly mean of the maximum daily temperature of the same month of the year is 46� C, the airport reference temperature is
32�C
35.5�C
48�C
25�C


18.The capacity of parallel runway pattern depends upon
weather conditions and navigational aids available
lateral spacing between two runways and weather conditions
lateral spacing between two runways and navigational aids available
lateral spacing between two runways, weather conditions and navigational aids available.


19.The minimum width of clearway is
50 m
100 m
150 m
250 m


20.As per ICAO recommendation, the rate of change of longitudinal gradient per 30 m length of vertical curve for A and B type of airports is limited to a maximum of
0.1 %
0.2%
0.3 %
0.4%

21.The total length of a runway is 1000 m. The elevation at distance 0,200 m, 400 m, 600 m, 800 m and 1000 m are 100.0 m, 99.2 m, 101.0 m, 101.8 m, 101.4 m and 101.0 m respectively. The effective gradient of runway will be.
0.10%
0.26%
0.43 %
0.65%


22.As per ICAO, for airports serving big aircrafts, the crosswind component should not exceed
15 kmph
25 kmph
35 kmph
45 kmph


23.According to ICAO, all markings on the runways are
Yellow
White
Black
Red


24.Zero fuel weight of an aircraft is:
equal to empty operating weight
equal to maximum landing weight
less than empty operating weight
equal to sum of empty operating weight and the maximum pay load

Q12: As per ICAO FOR a, B & C type airports maximum effective transverse and longitudinal grades in percentage respectively are