MCQs of Plastic Design (Design of Steel Structures - 2180610)

Design of Steel Structures (2180610) MCQs

MCQs of Plastic Design

Showing 31 to 30 out of 40 Questions

31.

Which of the following is true about kinematic analysis?

(a)	Virtual work equations are not used to determine collapse load.
(b)	Virtual work equations are used to determine collapse load.
(c)	Equilibrium condition is assumed.
(d)	Plasticity condition is assumed.

32.

The number of independent mechanism is related to number of possible plastic hinge locations by ________ (If n = no. of independent mechanism, N = no. of possible plastic hinge locations, r = degree of redundancy)

(a)	n = N x r
(b)	n = N / r
(c)	n = N + r
(d)	n = N - r

33.

In static method of analysis, moment at any section is _______ plastic moment capacity.

(a)	Greater than
(b)	Two times
(c)	Less than
(d)	Three times

34.

Which of the following relation between load factor, collapse load (

W_{c}

) and working load (W)

(a)	$F= W_{c} / W$
(b)	$F= W / W_{c}$
(c)	$F= W_{c} W$
(d)	$F= W_{c} + W$

35.

Single bay portal frames with fixed bases have _______

(a)	Two redundancies
(b)	Three redundancies
(c)	Four redundancies
(d)	Zero redundancies

36.

Which of the following statement is true?

(a)	Combined mechanism is combination of elementary mechanism.
(b)	Elementary mechanism is combination of combined mechanism.
(c)	Combined mechanism is not combination of elementary mechanism.
(d)	Elementary mechanism is combination of elementary and combined mechanism.

37.

What is a plastic section?

(a)	Cross section which can develop plastic moment.
(b)	Cross section which can resist seismic force.
(c)	Cross section in which buckling can occur.
(d)	Cross section which can develop plastic hinges.

38.

What is a compact section?

(a)	Cross section which can develop plastic moment resistance.
(b)	Cross section which can resist seismic force.
(c)	Cross section in which buckling can occur.
(d)	Cross section which can develop plastic hinges.

39.

What is a semi-compact section?

(a)	Cross section which can develop plastic moment resistance.
(b)	Cross section which can resist seismic force.
(c)	Cross section in which elastically calculated stress in extreme compression fibre can reach yield strength.
(d)	Cross section which can develop plastic hinges.

40.

What is a slender section?

(a)	Cross section which can develop plastic moment resistance.
(b)	Cross section which can resist seismic force.
(c)	Cross section in which elastically calculated stress in extreme compression fibre can reach yield strength.
(d)	Cross section in which local buckling will occur before yield stress.

Showing 31 to 30 out of 40 Questions