Identify the correct statements.
1. The angle of inclination of the lacing with the longitudinal axis of the column should be between 40° to 70°.
2. The slenderness ratio (leff/r) of the lacing bars should not exceed 145.
3. The angle of inclination of the lacing with the longitudinal axis of the column should be between 30° to 70°
4. Minimum width of lacing bars in riveted connection should be three times the nominal diameter of the rivet1
1, 3 and 4
2
All of the above
3
1, 2 and 3
4
1, 2 and 4