Airport Engineering Quiz Set-1 [2025]

The threshold markings are

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

The capacity of parallel runway pattern depends upon

The engine failure case for determining the basic runway length may require

The minimum width of clearway is

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

Consider the following statements regarding ICAO recommendation for correction to basic runway length
1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level.
2. 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.
3. 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

The total length of a runway is 1000 m. The elevation at distance 0,200 m, 400m, 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.

As per ICAO, the minimum basic runway length for A and E type of airport will be

Zero fuel weight of an aircraft is

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

As per ICAO, for airports serving big aircrafts, the crosswind component should not exceed

As per ICAO recommendation, minimum width of safety area for instrumental runway should be

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

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

Calm period is the percentage of time during which wind intensity is less than

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

According to ICAO, all markings on the runways are

Runway threshold is indicated by a series of parallel lines starting from a distance of

The width and interval of transverse centre line bars along the extended centre line of runway, in approach lighting system are

In Instrumental landing system, the middle markers are located

The size of landing area for multiengined helicopters operating under 1FR conditions is

The centre to centre spacing of heliport lighting along the periphery of landing and take off area should be

The slope of the obstruction clearance line from the boundary of the heliport should be

Assertion A : Airport capacity during IFR conditions is usually less than that during VFR conditions.
Reason R: During clear weather condition (VFR), the aircrafts on final approach to runway can be spaced closer during poor visibility conditions.
Select your answer based on the coding system given below:

For supersonic transport aircraft, the minimum turning radius of taxiway is

As per UK design criteria, if LCN of aircraft is between 1.25 to 1.5 times the LCN of pavement, then the number of movements allowed are

Which of the following is an example of failure in flexible pavements ?

The main disadvantage of angle nose out parking configuration of aircraft is that the

Which of the following is used for servicing and repairs of the aircraft ?

The slope of the transitional surface for A, B and C type of runway shall be

The length of clear zone for none instrument runway of a small aircraft is

In approach areas of runways equipped with instrumental landing facilities any object within 4.5 km distance from runway end shall be considered as an obstruction if its height is more than

Maximum gross take-off weight of an aircraft is

Consider the following statements: Wind rose diagram is used for the purposes of
1. runway orientation
2. estimating the runway capacity
3. geometric design of holding apron Of these statements

Which of the following factors are taken into account for estimating the runway length required for aircraft landing?
1. Normal maximum temperature
2. Airport elevation
3. Maximum landing weight
4. Effective runway gradient
Select the correct answer using the codes given below Codes

In an airport, if 4 gr oups of 5 gates each located well-separated are considered for traffic and the future to present traffic ratio is 3, then the total requirement of future gates will be

Castor angle is defined as the angle

The runway length after correcting for elevation and temperature is 2845 m. If the effective gradient on runway is 0.5 percent then the revised runway length will be

Transverse slope given to road cross section for surface water removal is known as

At the curved road outer side of road is increased than inner side is called as

Most suitable material for highway embankments is

When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is

The desirable length of overtaking zone as per IRC recommendation is equal to

Stopping sight distance is always

Reaction time of a driver

If the stopping distance is 60 meters, then the minimum stopping sight distance for two lane, two way traffic is

The effect of grade on safe overtaking sight distance is

The ruling design speed on a National Highway in plain terrain as per IRC recommendations is

The transition curve used in the horizontal alignment of highways as per IRC recommendations is

For design, that length of transition curve should be taken which is

The maximum design gradient for vertical profile of a road is

The percentage compensation in gradient for ruling gradient of 4 % and horizontal curve of radius 760 m is

If ruling gradient is 1 in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be

The camber of road should be approximately equal to

Which of the following shapes is preferred in a valley curve?

The value of ruling gradient in plains as per IRC recommendation is

The formation width of a double lane National Highway in embankment is

On the recommendation of Nagpur conference, the minimum width of a village road may be

Maximum safe speed on roads depends on the

In case of summit curves, the deviation angle will be maximum when

If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be

Highway facilities are designed for

Select the correct statement

Length of a vehicle affects

As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is

For the design of super elevation for mixed traffic conditions, the speed is reduced by

On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be

For a constant value of coefficient of lateral friction, the value of required super-elevation increases with

To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by

Minimum thickness of the base of a flexible pavement is

Design of highway is based on

For water bound macadams the camber should be

The absolute minimum radius of curve for safe operation for a speed of 110kmph is

The attainment of super elevation by rotation of pavement about the inner edge of the pavement

Select the correct statement

The maximum width of a vehicle as recommended by IRC is

Desire lines are plotted in

Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection?

The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as

With increase in speed of the traffic stream, the minimum spacing of vehicles

Which of the following is known as design capacity?

If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is

With increase in speed of the traffic stream, the maximum capacity of the lane

Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is

If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maximum capacity of a traffic lane at a speed of 10 m/sec is

Scientific planning of transportation system and mass transit facilities in cities should be based on

If is a dorry abrasion test the loss in weight 21 gms, then the coefficient of hardness is

For improvement road carrying fast traffic an average level of illumination recommended by IRC is

The top height of route marker above crown level is

The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as

When the speed of traffic flow becomes zero, then

On a right angled road intersection with two way traffic, the total number of conflict points is

The background colour of the informatory sign board is

Which of the following is indicated by a warning sign?

"Dead Slow" is a

The ductility value of bitumen for suitability in road construction should not be less than

The maximum limit of water absorption for aggregate suitable for road construction is

Which of the following represents hardest grade of bitumen?

Penetration test on bitumen is used for determining its

Bitumen of grade 80/100 means

The shape of the transition curve used by the Indian railway is

Thickness of a pavement is may be reduced considerably by

When two road with two lane, two way traffic, cross at an uncontrolled intersection the number of potential major conflict point would be

RC-2, MC-2 and SC-2 correspond to

The recommended grade of tar for grouting purpose is

Softening point of bitumen to be used for read construction at a place where maximum temperature is 40° C should be

For rapid curing cutbacks, the oil used is

The method of design of flexible pavement as recommended by IRC is

For developing thinly populated areas, the correct choice of gauge is

Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called

The slipping of driving wheels of locomotives on the rail surface causes

The formation width for a railway track depends on the

i) type of gauge
ii) number of tracks to be laid side by side
iii) slope of sides of embankment or cutting The correct answer is

The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is

Creep is the

Anti creep bearing plates are provided on

Study the following statements regarding creep.
i) Creep is greater on curves than on tangent railway track,
ii) Creep in new rails is more than that in old rails,
iii) Creep is more on steep gradients than on level track. The correct answer is

The maximum degree of curvature for Meter Gauge is limited to

Staggered joints are generally provided

When the rail ends rest on a joint sleeper, the joint is termed as

Which of the following types of sleepers is preferred on joints?

Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is

Standard size of wooden sleeper for Broad Gauge track is

Composite sleeper index is the index of

Number of dog spikes normally used per rail seat on curved track is

The type of bearing plate used in all joints and on curves to give better bearing area to the rails is

Flat mild steel bearing plates are used

The nominal size of ballast used for points and crossings is

At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is

Width of ballast section for Broad Gauge is

The type of spike used for fixing chairs of bull headed rails to wooden sleepers is

The sleepers resting directly on girder are fastened to the top flange of girder by

Number of keys used in CST-9 sleeper is

Pandrol clips cannot be used with

Loose jaws of steel trough sleepers are made of

The desirable rate of change of cant deficiency in case of Meter Gauge is

Number of cotters used in CST-9 sleepers is

The limiting value of cant excess for Broad Gauge is

A Broad Gauge branch line takes off as a contrary flexure from a main line If the super elevation required for branch line is 10 mm and cant deficiency is 75mm, the super elevation to be actually provided on the branch line will be

Switch angle depends on

i) heel divergence
ii) length of tongue rail
iii) flangeway clearance
iv) throw of switch
The correct answer is

Life of cement concrete road is take as

Super elevation is provided

Normally the limiting value of cant is