A continuous beam is one which is

fixed at one end and free at the other end

supported on more than two supports

A cantilever beam is one which is

fixed at one end and free at the other end

supported on more than two supports

The extremeties of any diameter on Mohr's circle represent

shear stresses on planes at 45°

normal stresses on planes at 45°

shear stresses on planes at 45°

normal and shear stresses on a plane

Mohr's circle is used to determine the stresses on an oblique section of a body subjected to

direct tensile stress in one plane accompanied by a shear stress

direct tensile stress in two mutually perpendicular directions

direct tensile stress in two mutually perpendicular directions accompanied by a simple shear stress

The radius of the Mohr 's circle in the given figure is equal to

difference of two principal stresses

half the sum of two principal stresses

half the difference of two principal stresses

719 + Mcqs in Strength Of Materials in Civil Engineering Page 9 McqOptions

401.	A load which is spread over a beam in such a manner that it varies uniformly over the whole length of abeam is called uniformly __________ load.
A.	distributed
B.	varying
Answer» C.

Discussion

402.	A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.
A.	Correct
B.	Incorrect
Answer» B. Incorrect

Discussion

403.	A load which acts at a point on a beam is not called uniformly distributed load.
A.	Agree
B.	Disagree
Answer» B. Disagree

Discussion

404.	A continuous beam is one which is
A.	fixed at both ends
B.	fixed at one end and free at the other end
C.	supported on more than two supports
D.	extending beyond the supports
Answer» D. extending beyond the supports

Discussion

405.	An overhanging beam must overhang on both sides.
A.	Correct
B.	Incorrect
Answer» C.

Discussion

406.	A fixed beam is one which is fixed at __________ of its ends.
A.	one
B.	both
Answer» C.

Discussion

407.	A simply supported beam is one which is supported on more than two supports.
A.	True
B.	False
Answer» C.

Discussion

408.	A cantilever beam is one which is
A.	fixed at both ends
B.	fixed at one end and free at the other end
C.	supported at its ends
D.	supported on more than two supports
Answer» C. supported at its ends

Discussion

409.	A beam encastered at both the ends is called
A.	simply supported beam
B.	fixed beam
C.	cantilever beam
D.	continuous beam
Answer» C. cantilever beam

Discussion

410.	A beam which is fixed at one end and free at the other is called
A.	simply supported beam
B.	fixed beam
C.	overhanging beam
D.	cantilever beam
Answer» E.

Discussion

411.	The strain energy stored in a body due to shear stress, is (where τ = Shear stress, C = Shear modulus, and V = Volume of the body)
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» D. [D].

Discussion

412.	The capacity of a strained body for doing work on the removal of the straining force, is called
A.	strain energy
B.	resilience
C.	proof resilience
D.	impact energy
Answer» C. proof resilience

Discussion

413.	The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as
A.	impact energy
B.	proof resilience
C.	proof stress
D.	modulus of resilience
Answer» C. proof stress

Discussion

414.	The strain energy stored in a body, when the load is gradually applied, is (where σ = Stress in the material of the body, V = Volume of the body, and E = Modulus of elasticity of the material)
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» E.

Discussion

415.	Modulus of resilience is the proof resilience per unit volume of a material.
A.	Correct
B.	Incorrect
Answer» B. Incorrect

Discussion

416.	The total strain energy stored in a body is called proof resilience.
A.	Agree
B.	Disagree
Answer» C.

Discussion

417.	The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.
A.	equal to
B.	one-half
C.	twice
D.	four times
Answer» E.

Discussion

418.	The proof resilience per unit volume of a material is known as modulus of resilience.
A.	True
B.	False
Answer» B. False

Discussion

419.	The proof resilience is the maximum strain energy which can be stored in a body.
A.	Yes
B.	No
Answer» B. No

Discussion

420.	The total strain energy stored in a body is termed as
A.	resilience
B.	proofresilience
C.	impact energy
D.	modulus of resilience
Answer» B. proofresilience

Discussion

421.	The extremeties of any diameter on Mohr's circle represent
A.	principal stresses
B.	normal stresses on planes at 45°
C.	shear stresses on planes at 45°
D.	normal and shear stresses on a plane
Answer» C. shear stresses on planes at 45°

Discussion

422.	The maximum shear stress is equal to the radius of Mohr's circle.
A.	Correct
B.	Incorrect
Answer» B. Incorrect

Discussion

423.	In Mohr's circle, the centre of circle from Y-axis is taken as
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» C. [C].

Discussion

424.	Mohr's circle is used to determine the stresses on an oblique section of a body subjected to
A.	direct tensile stress in one plane accompanied by a shear stress
B.	direct tensile stress in two mutually perpendicular directions
C.	direct tensile stress in two mutually perpendicular directions accompanied by a simple shear stress
D.	all of the above
Answer» E.

Discussion

425.	When a body is subjected to direct tensile stresses (σx and σy ) in two mutually perpendicular directions, accompanied by a simple shear stress τxy , then in Mohr's circle method, the circle radius is taken as
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» D. [D].

Discussion

426.	The maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.
A.	radius
B.	diameter
C.	circumference
D.	area
Answer» B. diameter

Discussion

427.	The radius of the Mohr 's circle in the given figure is equal to
A.	sum of two principal stresses
B.	difference of two principal stresses
C.	half the sum of two principal stresses
D.	half the difference of two principal stresses
Answer» E.

Discussion

428.	The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.
A.	equal to
B.	one-fourth
C.	one-half
D.	twice
Answer» D. twice

Discussion

429.	The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The tangential stress is given by
A.	OC
B.	OP
C.	OQ
D.	PQ
Answer» E.

Discussion

430.	The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The resultant stress is given by
A.	OC
B.	OP
C.	OQ
D.	PQ
Answer» C. OQ

Discussion

431.	The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle θ with the minor principle plane is given by
A.	OC
B.	OP
C.	OQ
D.	PQ
Answer» D. PQ

Discussion

432.	The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is
A.	10 MPa
B.	30 MPa
C.	50 MPa
D.	100 MPa
Answer» D. 100 MPa

Discussion

433.	A body is subjected to two normal stresses 20 kN/m2 (tensile) and 10 kN/m2 (compressive) acting perpendicular to each other. The maximum shear stress is
A.	5 kN/m2
B.	10 kN/m2
C.	15 kN/m2
D.	20 kN/m2
Answer» D. 20 kN/m2

Discussion

434.	For biaxial stress, the planes of maximum shear are at right angles to each other and are inclined at 45° to the principal planes.
A.	True
B.	False
Answer» B. False

Discussion

435.	A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be
A.	400 MPa
B.	500 MPa
C.	900 MPa
D.	1400 MPa
Answer» C. 900 MPa

Discussion

436.	A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The minimum normal stress will be
A.	400 MPa
B.	500 MPa
C.	900 MPa
D.	1400 MPa
Answer» B. 500 MPa

Discussion

437.	When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then minimum normal stress is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» C. [C].

Discussion

438.	When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then maximum shear stress is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» B. [B].

Discussion

439.	When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then maximum normal stress is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» B. [B].

Discussion

440.	A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The minimum normal stress will be
A.	-100 MPa
B.	250 MPa
C.	300 MPa
D.	400 MPa
Answer» B. 250 MPa

Discussion

441.	A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be
A.	-100 MPa
B.	250 MPa
C.	300 MPa
D.	400 MPa
Answer» C. 300 MPa

Discussion

442.	A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be
A.	-100 MPa
B.	250 MPa
C.	300 MPa
D.	400 MPa
Answer» E.

Discussion

443.	When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum shear stress is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» E.

Discussion

444.	When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the minimum normal stress is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» C. [C].

Discussion

445.	When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the maximum normal stress is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» B. [B].

Discussion

446.	Principle plane is a plane on which the shear stress is
A.	zero
B.	minimum
C.	maximum
Answer» B. minimum

Discussion

447.	When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.
A.	equal to
B.	one-half
C.	two-third
D.	twice
Answer» C. two-third

Discussion

448.	A body is subjected to a direct tensile stress (σ) in one plane. The shear stress is maximum at a section inclined at __________ to the normal of the section.
A.	45° and 90°
B.	45° and 135°
C.	60° and 150°
D.	30° and 135°
Answer» C. 60° and 150°

Discussion

449.	When a body is subjected to a direct tensile stress (σ), the maximum normal stress is equal to the direct tensile stress.
A.	Agree
B.	Disagree
Answer» B. Disagree

Discussion

450.	The resultant stress on an inclined plane which is inclined at an angle θ to the normal cross-section of a body which is subjected to a direct tensile stress (σ) in one plane, is
A.	σ sin θ
B.	σ cos θ
C.	σ sin 2θ
D.	σ cos 2θ
Answer» C. σ sin 2θ

Discussion

Explore topic-wise MCQs in Civil Engineering.

A load which is spread over a beam in such a manner that it varies uniformly over the whole length of abeam is called uniformly __________ load.

A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.

A load which acts at a point on a beam is not called uniformly distributed load.

A continuous beam is one which is

An overhanging beam must overhang on both sides.

A fixed beam is one which is fixed at __________ of its ends.

A simply supported beam is one which is supported on more than two supports.

A cantilever beam is one which is

A beam encastered at both the ends is called

A beam which is fixed at one end and free at the other is called

The strain energy stored in a body due to shear stress, is (where τ = Shear stress, C = Shear modulus, and V = Volume of the body)

The capacity of a strained body for doing work on the removal of the straining force, is called

The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as

The strain energy stored in a body, when the load is gradually applied, is (where σ = Stress in the material of the body, V = Volume of the body, and E = Modulus of elasticity of the material)

Modulus of resilience is the proof resilience per unit volume of a material.

The total strain energy stored in a body is called proof resilience.

The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.

The proof resilience per unit volume of a material is known as modulus of resilience.

The proof resilience is the maximum strain energy which can be stored in a body.

The total strain energy stored in a body is termed as

The extremeties of any diameter on Mohr's circle represent

The maximum shear stress is equal to the radius of Mohr's circle.

In Mohr's circle, the centre of circle from Y-axis is taken as

Mohr's circle is used to determine the stresses on an oblique section of a body subjected to

When a body is subjected to direct tensile stresses (σx and σy ) in two mutually perpendicular directions, accompanied by a simple shear stress τxy , then in Mohr's circle method, the circle radius is taken as

The maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.

The radius of the Mohr 's circle in the given figure is equal to

The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.

The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The tangential stress is given by

The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The resultant stress is given by

The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle θ with the minor principle plane is given by

The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is

A body is subjected to two normal stresses 20 kN/m2 (tensile) and 10 kN/m2 (compressive) acting perpendicular to each other. The maximum shear stress is

For biaxial stress, the planes of maximum shear are at right angles to each other and are inclined at 45° to the principal planes.

A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be

A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The minimum normal stress will be

When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then minimum normal stress is

When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then maximum shear stress is

When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then maximum normal stress is

A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The minimum normal stress will be

A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be

A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be

When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum shear stress is

When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the minimum normal stress is

When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the maximum normal stress is

Principle plane is a plane on which the shear stress is

When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.

A body is subjected to a direct tensile stress (σ) in one plane. The shear stress is maximum at a section inclined at __________ to the normal of the section.

When a body is subjected to a direct tensile stress (σ), the maximum normal stress is equal to the direct tensile stress.

The resultant stress on an inclined plane which is inclined at an angle θ to the normal cross-section of a body which is subjected to a direct tensile stress (σ) in one plane, is