A. 2/EI
B. 1/EI
C. 1/2 EI
D. 1/4 EI
Author: admin
A. 1.25%
B. 2.5%
C. 5.0%
D. 7.5%
A. d is the distance between flange angles or the clear distance between flanges
B. vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
C. for horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
D. all the above
A. stiffness
B. flexibility
C. influence coefficient
D. unit strain
A. The minimum pitch of rivets should not be less than 2.5 times the diameter of the rivet hole
B. The distance between centres of two adjacent rivets in line with the direction of stress shall not
C. The distance between the centres of two adjacent rivets in line with the direction of stress shall not exceed 12 t or 203 mm whichever is less in compression members
D. All the above
A. The diameter of a rivet, before driving is taken as the nominal diameter of the rivet
B. The diameter of the rivet hole is taken as the gross area of the rivet
C. For rivets of nominal diameters less than 25 mm, the diameter of the rivet hole is taken as the nominal diameter of the rivet plus 1.5 mm
D. All the above
1. Levees are constructed parallel to river flow
2. Spurs are constructed parallel to river flow
3. Levees are constructed transverse to river flow
4. Spurs are constructed transverse to river flow
The correct answer is
A. (1) and (2)
B. (1) and (4)
C. (2) and (3)
D. (3) and (4)
A. A meander increases the river length but a cut off reduces the river length
B. A cutoff increases the river length but a meander reduces the river length
C. Both meander and cutoff increase the river length
D. Both meander and cutoff decrease the river length
A. Intensive irrigation should be avoided in areas susceptible to water logging
B. Extensive irrigation should be adopted in areas susceptible to water logging
C. Lift irrigation increases water logging
D. all of the above
A. The body centrode rolls on the space centrode
B. The space centrode rolls on the body centrode
C. Both body and space centrodes may role on each other
D. The body centrode never touches space centrode