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

Related Mcqs:

1. 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?

   A. Both A and R are true and R is the correct explanation of A
   B. Both A and R are true but R is not the correct explanation of A
   C. A is true but R is false
   D. A is false but R is true

2. 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______________?

   A. 20 m
   B. 30 m
   C. 45 m
   D. 51 m

3. 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
   select the correct answer?

   A. 1 and 2 are correct
   B. 2 and 3 are correct
   C. 1 and 3 are correct
   D. 1 alone is correct

4. 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_________________?

   A. 450 kmph and 500 kmph
   B. 500 kmph and 450 kmph
   C. 450 kmph and 450 kmph
   D. 500 kmph and 500 kmph

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

   A. 1.0, 1.5 and 1.5
   B. 1.0, 1.5 and 2.0
   C. 1.5, 1.5 and 2.0
   D. 2.0, 2.0 and 2.0

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

   A. 78 m
   B. 150 m
   C. 300 m
   D. 450 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________________?

   A. 2500 m
   B. 2600 m
   C. 2700 m
   D. 2800 m

8. Assertion A: The width of a taxiway is smaller than the runway width. Reason R : The speed of the aircraft on a taxiway is greater than that on runway.?

   Select your answer based on coding system given below

   A. Both A and R are true and R is the correct explanation of A
   B. Both A and R are true but R is not the correct explanation of A
   C. A is true but R is false
   D. A is false but R is true

9. 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_________________?

   A. 2845 m
   B. 2910 m
   C. 3030 m
   D. 3130 m

10. According to ICAO, all markings on the runways are___________________?

    A. Yellow
    B. White
    C. Black
    D. Red