Gantry Girders & Design of Industrial Buildings MCQ

Test your knowledge with important Gantry Girders & Design of Industrial Buildings MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Gantry Girders & Design of Industrial Buildings MCQs at Bissoy

• Live load for roof truss should not be less than
  ক

  0.4kN/m2

  খ

  0.2kN/m2

  গ

  0.75kN/m2

  ঘ

  0.8kN/m2
• Which of the following load combination is not considered for design of roof trusses?
  ক

  Dead load + crane load

  খ

  Dead load + wind load

  গ

  Dead load + earthquake load

  ঘ

  Dead load + live load + wind load
• Which of the following is true for economic spacing?
  ক

  cost of trusses should be equal to twice the cost of purlins

  খ

  cost of trusses should be equal to twice the cost of purlins minus cost of roof coverings

  গ

  cost of trusses should be equal to the cost of purlins plus cost of roof coverings

  ঘ

  cost of trusses should be equal to twice the cost of purlins plus cost of roof coverings
• The economic spacing of roof truss depends on
  ক

  cost of purlins only

  খ

  cost of purlins and cost of roof covering

  গ

  dead loads

  ঘ

  cost of roof covering and dead loads
• The minimum recommended rise of trusses with Galvanised Iron sheets is
  ক

  1 in 12

  খ

  1 in 6

  গ

  1 in 10

  ঘ

  1 in 18
• What is the maximum vertical deflection allowed for a gantry girder where the cranes are manually operated?
  ক

  L/500

  খ

  L/700

  গ

  L/600

  ঘ

  L/800
• The bending moment due to dead load of girder is maximum at
  ক

  one-third distance at span

  খ

  two-third distance at span

  গ

  end of span

  ঘ

  centre of span
• The maximum wheel load is obtained when
  ক

  crane crab is farthest to gantry girder

  খ

  crane crab is closest to gantry girder

  গ

  crane crab is not attached

  ঘ

  crane crab is at mid span
• Fatigue effect for light and medium duty cranes need not be checked if . b) Nsc < 5×106 3 c) Nsc > 5×106 2 d) Nsc < 5×106 .
  ক

  Nsc > 10×106 .

  খ

  (27/γmft)/γmt

  গ

  (27/γmft)/γmt

  ঘ

  (27/γmft)/γmt
• For gantry girders carrying hand operated cranes, the vertical forces are increased by____ for impact allowance
  ক

  10% of maximum static wheel load

  খ

  25% of maximum static wheel load

  গ

  10% of weight of crab and weight lifted on the crane

  ঘ

  20% of weight of crab and weight lifted on the crane
• For gantry girders carrying electrically operated overhead travelling cranes, the lateral forces are increased by ____ for impact allowance.
  ক

  10% of weight of crab and weight lifted on the crane

  খ

  20% of weight of crab and weight lifted on the crane

  গ

  25% of maximum static wheel load

  ঘ

  50% of maximum static wheel load
• The wheel load transferred from trolley to gantry girder is given by /(2Lc) b) W1 = (2Lc) c) W1 = /(2Lc) d) W1 = /( Lc)
  ক

  W1 = /(2Lc)

  খ

  Wt(Lc+L1)

  গ

  Wt(Lc+L1)

  ঘ

  Wt(Lc+L1)
• Which of the following loads are not considered in the design of gantry girders?
  ক

  longitudinal loads

  খ

  gravity loads

  গ

  lateral loads

  ঘ

  wind loads
• Which of the following is correct regarding gantry girders?
  ক

  It is laterally supported except at the columns

  খ

  It is subjected to impact load

  গ

  It should not be analysed for unsymmetrical bending

  ঘ

  It is not subjected to longitudinal load