Question: The rail is designated by its__________________?

• 1. length
• 2. weight
• 3. cross-section
• 4. weight per unit length

Question: Two important constituents in the com-position of steel used for rail are_________________?

• 1. carbon and silicon
• 2. manganese and phosphorous
• 3. carbon and manganese
• 4. carbon and sulfur

Question: To ensure exact gauge, the gauge tie plates are provided at_________________?

• 1. toe of the switch
• 2. nose of crossing
• 3. both (A) and (B)
• 4. none of the above

Question: In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of__________________?

• 1. 1 in 257
• 2. 1 in 357
• 3. 1 in 457
• 4. 1 in 512

Question: If ‘A’ is the angle formed by two gauge faces, the crossing number will be____________________?

• 1. tan A
• 2. cot A
• 3. sec A
• 4. Arad

Question: Load factor is____________________?

• 1. always equal to factor of safety
• 2. always less than factor of safety
• 3. always greater than factor of safety
• 4. sometimes greater than factor of safety

Question: The statical method of plastic analysis satisfies_______________?

• 1. equilibrium and mechanism conditions
• 2. equilibrium and plastic moment conditions
• 3. mechanism and plastic moment conditions
• 4. equilibrium condition only

Question: The moment-curvature relation at a plastic hinge is________________?

• 1. linear
• 2. parabolic
• 3. constant moment for all curvatures
• 4. constant curvature for all moments

Question: The elastic strain for steel is about_________________?

• 1. 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain
• 2. 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strain
• 3. 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain
• 4. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain

Question: In case of timber structures, the form factor for solid circular cross-section is taken as_________________?

• 1. 1.18
• 2. 1.414
• 3. 1.67
• 4. 1.81