The number of treads in a flight is equal to _________.

A)
risers plus one
B)
risers plus three
C)
risers minus one
D)
risers in the flight

Correct Answer :   risers minus one

Explanation : It is often not simply the sum of the individual tread lengths due to the nosing overlapping between treads. If there are N steps, the total run equals N-1 times the going: the tread of the last step is part of a landing and is not counted.

Recently Updated in Structural Design Specifications Questions
Bearing stiffener in a plate girder is used to_____.
A)
Prevent excessive deflection
B)
Prevent buckling of web
C)
Decrease the effective depth of web
D)
Transfer the load from the top flange to the bottom one

Correct Answer : Option (B) :   Prevent buckling of web

The bracing between two columns of a steel tank will be designed to resist_______.
A)
Horizontal shear due to wind or earthquake only
B)
Column loads + full horizontal shear due to wind or earthquake
C)
Column loads + 2.5% of horizontal shear due to wind or earthquake
D)
Horizontal, shear due to wind or earthquake + 2.5% of column loads

Correct Answer : Option (D) :   Horizontal, shear due to wind or earthquake + 2.5% of column loads

Generally the purlins are placed at the panel points so as to avoid______.
A)
Deflection of rafter
B)
Axial force in rafter
C)
Bending moment in rafter
D)
Shear force in rafter

Correct Answer : Option (C) :   Bending moment in rafter

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