Design of Steel Structures (2180610) MCQs

MCQs of Plastic Design

Showing 21 to 30 out of 40 Questions
1 2 3 4
21.
What is the condition for equilibrium in plastic analysis?
(a) Bending moment distribution defined by assumed plastic hinges must not be in static equilibrium with applied loads and reactions.
(b) Shear force distribution defined by assumed plastic hinges must be in static equilibrium with applied loads and reactions.
(c) Bending moment distribution defined by assumed plastic hinges must be in static equilibrium with applied loads and reactions.
(d) Shear force distribution defined by assumed plastic hinges must not be in static equilibrium with applied loads and reactions.
Answer:

Option (c)

22.
Which of the following is true?
(a) Ultimate load is reached when a mechanism is formed.
(b) Ultimate load is not reached when a mechanism is formed.
(c) Plastic hinges are not required for beam to form a mechanism.
(d) Frictionless hinges are not required for beam to form a mechanism.
Answer:

Option (a)

23.
Which of the following relation is correct?
(a) -Mp ≥M
(b) M > Mp
(c) M ≥ Mp
(d) M ≤ Mp
Answer:

Option (d)

24.
What is principle of virtual work?
(a) Work done by external forces is greater than work done by internal forces.
(b) Work done by external forces is less than work done by internal forces.
(c) Work done by external forces is equal to work done by internal forces.
(d) Work done by internal forces is greater than work done by external forces.
Answer:

Option (c)

25.
Principle of virtual work is used to satisfy _____
(a) Mechanism condition
(b) Equilibrium condition
(c) Plasticity condition
(d) No condition is satisfied
Answer:

Option (b)

26.
Virtual work is used to determine _____
(a) Yield load
(b) Elastic load
(c) Plastic load
(d) collapse load
Answer:

Option (d)

27.
What is static theorem?
(a) Load must be greater than collapse load
(b) Load must be less than collapse load
(c) Load must be not equal to collapse load
(d) Load cannot be related to collapse load
Answer:

Option (b)

28.
Which of the following is true about static theorem?
(a) It represents upper limit to true ultimate load.
(b) It represents plastic load.
(c) It has minimum factor of safety.
(d) It satisfies equilibrium and yield conditions.
Answer:

Option (d)

29.
Which of the following condition is true for kinematic theorem?
(a) Load must be greater than collapse load
(b) Load must be less than collapse load
(c) Load must be not equal to collapse load
(d) Load cannot be related to collapse load
Answer:

Option (a)

30.
Load is called as correct collapse load when
(a) Static theorem is not satisfied
(b) Kinematic theorem is not satisfied
(c) Only static theorem is satisfied
(d) Both static and kinematic theorem are satisfied
Answer:

Option (d)

Showing 21 to 30 out of 40 Questions
1 2 3 4