20CE227 - DRC & SS - INDUSTRIAL STEEL STRUCTURES

The foundation that is used when the soil mass is sufficiently erratic.

• Strap footing

• Mat  footing

• Raft Footing

• Rectangular Combined Footing

In a raft footing ,if  the CG of the load coincide with the centroid of the raft, the upward load is considered as ________________

• Non Uniform Pressure

• Uniform Pressure

• Excess Pressure

• No Pressure

The shape of the combined footing is mostly ______________

• Square

• Rectangular

• Circular

• Trapezoidal

When point of contraflexure in all the members lie at their midpoints _________________

• portal method

• cantilever method

• factor method

• force method

The direct stresses in the columns due to horizontal forces , are directly proportional to their distance from the centroidal vertical axis of the frame __________________

• portal method

• cantilever method

• factor method

• force method

_________________ relative stiffness for each member of the frame or structure should be known.

• portal method

• cantilever method

• factor method

• force method

Analysing a small portion of  the frame is called ____________

• portal frame

• cantilever method

• factor method

•  substitute frame

Purlins are provided, in industrial buildings, over roof trusses to carry dead loads, live loads and wind loads. As per IS code, what are they assumed to be

• Continuous

• Fixed

• Cantilever

• Simply supported

Which one of the section is most efficient for a  simply supported gantry girder ?

• I section with equal flange

• I section with a channel section attached to the top flange

• I section with wide bottom flange

• I section with heavy plate connected at bottom flange.

The shape factor for rectangular section is ____________

• 1.2

• 1.3

• 1.4

• 1.5