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.Management Sciences
Category: Design of Steel Structures
The relation between intensity of wind pressure p and velocity of wind V is taken as_______________?
A. pa V
B. paV2
C. p a (1/V)
D. paV”2
The use of tie plates in laced columns is_________________?
A. prohibited
B. not prohibited
C. permitted at start and end of lacing system only
D. permitted between two parts of the lacing
Bending compressive and tensile stresses respectively are calculated based on_________________?
A. net area and gross area
B. gross area and net area
C. net area in both cases
D. gross area in both cases
Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between____________________?
A. 10° to 30°
B. 30° to 40°
C. 40° to 70°
D. 90°
Bearing stiffeners are provided at________________?
i) the supports
ii) the mid span
iii) the point of application of concentrated loads
The correct answer is?
A. only (i)
B. both (i) and (ii)
C. both (i) and (iii)
D. (i), (ii) and (iii)
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than_________________?
A. 500 mm
B. 600 mm
C. 1000 mm
D. 300 mm
For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
A. equal angles back to back
B. unqual legged angles with long legs back to back
C. unequal legged angles with short legs back to back
D. both (B) or (C)
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?
A. 75 t2/h
B. 125 t3/h2
C. 125 t2/h
D. 175 t2/h
where, t = the web thickness in mm
h = the outstand of stiffener in mm
Lug angles_________________?
A. are used to reduce the length of connection.
B. are unequal angles.
C. increases shear lag.
D. all the above
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