1. the drag load in gantry girders are:
a. gravity loads
b. lateral loads
c. longitudinal loads
d. both a and c options are true
2. surge load in gantry girder are :
a. gravity loads
b. lateral loads
c. longitudinal loads
d. both a and b options are true
3. when gantry girder carry moving load such as charging cars , the deflection should not exceed
a. L/500
b. L/600
c. L/750
d. L/1000
4. when gantry girder carry manually operated overheated travelling cranes , the deflection should not exceed
a. L/500
b. L/600
c. L/750
d. L/1000
5. gantry girders are usually designed as
a. laterally supported beam
b. laterally unsupported beam
c. for combination of vertical loads and either of lateral and longitudinal forces
d. both option b and c are true
