Lani Quiz No. 2

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| By Daveponcio1828

Daveponcio1828

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Quizzes Created: 1 | Total Attempts: 69

| Attempts: 69

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1/10 Questions

The decorative molding or band on the face of an arch following the curved of the intrados.
- Spandel
- Archivolt
- Intrados
- Extrados

About This Quiz

Please set aside your books and notes under your seat while taking this quiz.
Thanks and goodluck! hehehe

2.

The wedge shaped often embellished voussoir at the crown of an arch serving to lock the other voussoirs in place.
- Arch lock
- Keystone
- Top of arch
- Haunch
Correct Answer

A. Keystone

Explanation

The keystone is the wedge-shaped voussoir at the crown of an arch that locks the other voussoirs in place. It is often embellished and plays a crucial role in maintaining the stability and integrity of the arch structure.

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3.

An external moment tending to cause part of a structure to rotate or bend, equal to the algebraic sum of the moments about the neutral axis of the section under consideration.
- Moment stress
- Bending shear
- Bending Moment
- Shearing moment
Correct Answer

A. Bending Moment

Explanation

A bending moment refers to an external force that causes a part of a structure to rotate or bend. It is calculated by taking the algebraic sum of the moments about the neutral axis of the section being considered. This moment stress is responsible for the bending or deformation of the structure, and understanding it is crucial in designing and analyzing structures to ensure their stability and safety.

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4.

The first voussoir resting on the impost of an arch.
- Base of arch
- Keystone
- Springer
- Archivolt
Correct Answer

A. Springer

Explanation

A springer is the first voussoir (wedge-shaped stone) that rests on the impost (supporting block) of an arch. It serves as the starting point for the arch and helps to distribute the weight of the structure. The other options listed are different parts of an arch, but they do not specifically refer to the first voussoir.

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5.

The temporary framework for supporting a masonry arch or vault during construction until the work can support itself.
- Centering
- Scafolding
- Shoring
- Formwork
Correct Answer

A. Centering
6.

The extent of space between two supports of a structure. Also the structure so supported.
- Bay
- Span
- Clear Span
- Effective Span
Correct Answer

A. Span

Explanation

Span refers to the extent of space between two supports of a structure. It is also used to describe the structure itself that is supported by these two points.

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7.

The center to center distance between the supports of a span.
- Clear Span
- Bay
- Effective Span
- None of the above
Correct Answer

A. Effective Span

Explanation

The effective span refers to the center to center distance between the supports of a span. This measurement is important in determining the load-bearing capacity and stability of a structure. The clear span refers to the distance between the supports without any obstructions, while the bay refers to the space between two adjacent supports. Therefore, the effective span is the most appropriate term to describe the given description.

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8.

The perpendicular distance a spanning member deviates from a true course under transverse loading, increasing with load and span and decreasing with an increase in the moment of inertia of the section or the modulus of elasticity of the material.
- Camber
- Moment
- Shear
- Deflection
Correct Answer

A. Deflection

Explanation

Deflection is the correct answer because it refers to the perpendicular distance a spanning member deviates from a true course under transverse loading. This deflection increases with load and span, but decreases with an increase in the moment of inertia of the section or the modulus of elasticity of the material.

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9.

A slight convex curvature intentionaly built into a beam, girder, or truss to compensate fro an anticipated deflection.
- Deflection
- Curvature
- Arch of Beam
- Camber
Correct Answer

A. Camber

Explanation

Camber refers to a slight convex curvature intentionally built into a beam, girder, or truss. This curvature is designed to compensate for an anticipated deflection. In other words, camber helps to counteract the natural tendency of the structure to sag or bend under load, ensuring that it remains straight and level when in use.

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10.

The uppermost part of an abutment , often in the form of a block, capital, or molding from which an arch springs.
- Impost
- Pendentive
- Extrados
- Impost
Correct Answer

A. Impost

Explanation

The correct answer is "Impost". An impost is the uppermost part of an abutment, often in the form of a block, capital, or molding from which an arch springs. It provides support and distributes the weight of the arch. The other options, pendentive and extrados, are not related to the uppermost part of an abutment.

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Jul 22, 2024

Quiz Edited by
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Feb 01, 2013

Quiz Created by
Daveponcio1828

Lani Quiz No. 2

The decorative molding or band on the face of an arch following the curved of the intrados.

Quiz Preview

The wedge shaped often embellished voussoir at the crown of an arch serving to lock the other voussoirs in place.

An external moment tending to cause part of a structure to rotate or bend, equal to the algebraic sum of the moments about the neutral axis of the section under consideration.

The first voussoir resting on the impost of an arch.

The temporary framework for supporting a masonry arch or vault during construction until the work can support itself.

The extent of space between two supports of a structure. Also the structure so supported.

The center to center distance between the supports of a span.

The perpendicular distance a spanning member deviates from a true course under transverse loading, increasing with load and span and decreasing with an increase in the moment of inertia of the section or the modulus of elasticity of the material.

A slight convex curvature intentionaly built into a beam, girder, or truss to compensate fro an anticipated deflection.

The uppermost part of an abutment , often in the form of a block, capital, or molding from which an arch springs.