Question: Select the incorrect statement ?

• 1. The progress of work in low level method of mound construction is very slow.
• 2. Barge method of mound construction is economical.
• 3. In low level method of mound construction, the area of working is limited.
• 4. In staging method of mound cons-truction, the work is not interrupted even during stormy weather

Question: In a two lane channel, bottom width of channel is given by_______________?

• 1. Manoeuvring lane + 2 x Bank clearance lane
• 2. 2 x Manoeuvring lane + 2 x Bank clearance lane
• 3. 2 x Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane
• 4. Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane

Question: As per Berlin’s formula, the length of wave in metres is given by_______________?

• 1. 1.3412
• 2. 1.5612
• 3. 1.7412
• 4. 1.9412

Question: In basins subjected to strong winds and tide, the length of the berthing area should not be less than____________________?

• 1. the length of design vessel
• 2. the length of design vessel + 10% clearance between adjacent vessels
• 3. the length of design vessel + 20% clearance between adjacent vessels
• 4. twice the length of design vessel

Question: If Hs is the significant wave height, then the average wave height and highest wave height respectively are given by_______________?

• 1. 0.6 Hs and 1.67 Hs
• 2. 0.6 Hs and 1.87 Hs
• 3. 1.27 Hs and 1.87 Hs
• 4. 1.27 Hs and 1.67 Hs

Question: The minimum width of clearway is_______________?

• 1. 50 m
• 2. 100 m
• 3. 150 m
• 4. 250 m

Question: 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______________?

• 1. 0.10%
• 2. 0.26%
• 3. 0.43 %
• 4. 0.65%

Question: The capacity of parallel runway pattern depends upon______________?

• 1. weather conditions and navigational aids available
• 2. lateral spacing between two runways and weather conditions
• 3. lateral spacing between two runways and navigational aids available
• 4. lateral spacing between two runways, weather conditions and navigational aids available

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

• 1. 1.0, 1.5 and 1.5
• 2. 1.0, 1.5 and 2.0
• 3. 1.5, 1.5 and 2.0
• 4. 2.0, 2.0 and 2.0

Question: 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_____

• 1. 2500 m
• 2. 2600 m
• 3. 2700 m
• 4. 2800 m