Design of Steel Structures (2180610) MCQs

MCQs of Design of Industrial Building

Showing 21 to 30 out of 37 Questions
21.
Which of the following loads are not considered in the design of gantry girders?
(a) Longitudinal loads
(b) Gravity loads
(c) Lateral loads
(d) Wind loads
Answer:

Option (d)

22.
For gantry girders carrying electrically operated overhead travelling cranes, the lateral forces are increased by ____ for impact allowance.
(a) 10% of weight of crab and weight lifted on the crane
(b) 20% of weight of crab and weight lifted on the crane
(c) 25% of maximum static wheel load
(d) 50% of maximum static wheel load
Answer:

Option (a)

23.
For gantry girders carrying hand operated cranes, the vertical forces are increased by____ for impact allowance.
(a) 10% of maximum static wheel load.
(b) 25% of maximum static wheel load.
(c) 10% of weight of crab and weight lifted on the crane.
(d) 20% of weight of crab and weight lifted on the crane.
Answer:

Option (c)

24.
The maximum wheel load is obtained when
(a) Crane crab is farthest to gantry girder.
(b) Crane crab is closest to gantry girder.
(c) Crane crab is not attached.
(d) Crane crab is at mid span.
Answer:

Option (b)

25.
The bending moment due to dead load of girder is maximum at
(a) One-third distance at span.
(b) Two-third distance at span.
(c) End of span.
(d) Centre of span.
Answer:

Option (d)

26.
What is the maximum vertical deflection allowed for a gantry girder where the cranes are manually operated?
(a) L/500
(b) L/700
(c) L/600
(d) L/800
Answer:

Option (a)

27.
What is the maximum vertical deflection allowed for a gantry girder where the cranes are electrically operated?
(a) Span/500
(b) Span/350
(c) Span/750
(d) Span/950
Answer:

Option (c)

28.
Additional Impact load on electrically operated crane for vertical forces transferred to wheels is __________
(a) 25 % of maximum static wheel load
(b) 10 % of maximum static wheel load
(c) 5 % of maximum static wheel load
(d) None of the above
Answer:

Option (a)

29.
Additional Impact load on hand operated crane for vertical forces transferred to wheels is __________
(a) 25 % of maximum static wheel load
(b) 10 % of maximum static wheel load
(c) 5 % of maximum static wheel load
(d) None of the above.
Answer:

Option (b)

30.
Additional Impact load on hand operated crane for horizontal forces transverse to rails is __________
(a) 25 % of the weight of the crab and the weight lifted by cranes.
(b) 10 % of the weight of the crab and the weight lifted by cranes.
(c) 5 % of the weight of the crab and the weight lifted by cranes.
(d) None of the above.
Answer:

Option (c)

Showing 21 to 30 out of 37 Questions