Question: compression force in two end posts The pin of a rocker bearing in a bridge is designed for_________________?

• 1. bearing and shear
• 2. bending and shear
• 3. bearing and bending
• 4. bearing, shear and bending

Question: The portal bracing in a truss bridge is used to_____________________?

• 1. transfer load from top of end posts to bearings
• 2. keep the rectangular shape of the bridge cross-section
• 3. stiffen the structure laterally
• 4. prevent the sidesway buckling of top chord

Question: The centrifugal force due to curvature of track is assumed to act on the bridge at a height of___________________?

• 1. 1.23 m above the rail level
• 2. 1.50 m above the rail level
• 3. 1.83 m above the rail level
• 4. 2.13 m above the rail level

Question: If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________?

• 1. 0
• 2. 0.5
• 3. between 0.5 and 1.0
• 4. 1.0

Question: The diameter of base of conical flare of a steel stack is_____________________?

• 1. less than d
• 2. equal to d
• 3. more than d
• 4. any of the above

Question: The capacity of the smallest pressed steel tank is__________________?

• 1. 1000 litre
• 2. 1650 litre
• 3. 1950 litre
• 4. 2450 litre

Question: Steel tanks are mainly designed for_______________________?

• 1. weight of tank
• 2. wind pressure
• 3. water pressure
• 4. earthquake forces

Question: Minimum pitch provided in riveted steel tanks is________________?

• 1. 1.5 d
• 2. 2.0 d
• 3. 2.5 d
• 4. 3.0 d

Question: As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into_____________________?

• 1. 4 zones
• 2. 5 zones
• 3. 6 zones
• 4. 7 zones

Question: The external wind pressure acting on a roof depends on__________________?

• 1. degree of permeability of roof
• 2. slope of roof
• 3. both (A) and (B)
• 4. none of the above