Civil Engineering MCQs

Page No. 113

As per International Civil Aviation Organization (ICAO) recommendation, minimum width of safety area for instrumental runway should be_________________?


a78 m


b150 m


c300 m


d450 m


View Answer 300 m

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__________________?


a 0.1 %


b0.2%


c0.3 %


d0.4%


View Answer 0.1 %

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____________________?


a 32°C


b35.5°C


c48°C


d25°C


View Answer 48°C

The engine failure case for determining the basic runway length may require________________?


aonly clearway


bonly stop way ,


c either a clearway or a stopway


deither a clearway or a stopway or both



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___________________?


a 1 aircraft per hour


b 2 aircrafts per hour


c4 aircrafts per hour


d16 aircrafts per hour


View Answer 4 aircrafts per hour

For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal________________?


aof a stiffness matrix must be positive


bof a stiffness matrix must be negative


cof a flexibility matrix must be positive


dOnly A and C


View Answer Only A and C

To generate the j the column of the flexibility matrix________________?


a a unit force is applied at coordinate j and the displacements are calculated at all coordinates


b a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates


ca unit force is applied at coordinate j and the forces are calculated at all coordinates


da unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates



In the slope deflection equations, the deformations are considered to be caused by________________?


abending moment


bshear force


c axial force


dOnly A


View Answer Only A

The number of independent equations to be satisfied for static equilibrium of a plane structure is__________________?


a 1


b2


c 3


d 6


View Answer 3

If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by__________________?


am + r + 2j


bm – r + 2j


cm + r – 2j


d m + r – 3j


View Answer m + r – 2j

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