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Arches, Lintels, Stairs and Formwork

Course: Construction & Building Materials — Practice MCQs, solutions, formulas & past entrance questions.

Courses › Construction & Building Materials › Arches, Lintels, Stairs and Formwork

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Chapter:

arches-lintels-stairs-and-formwork (Click to view content)

1. Identify type of Arch given below.

$Identify type of Arch given below.\r\n \r\n$

Semi circular arch Inverted arch Segmented arch Flat arch

Flat arch

The apparent shape of this arch is Flat and usually skewback forms an angle of 60 degrees with horizontal as shown in figure above. Thus an equilateral triangle is formed with one side as Intrados.

Hint Answer

2. A Stair turning through three right angles is known as a ____ stair.

Three Quarter Turn Two Quarter Turn Four Quarter Turn Single Quarter Turn

Three Quarter Turn

In Three Quarter Turn, an open well is formed. This type of stair is used when length of stairs Limited and when vertical distance between two floors is quite large.

Hint Answer

3. In ____ all steps lead in one direction only.

Turning steps Circular steps Straight steps Geometrical steps

Straight steps

Straight steps consist of one or more flights and y are used when space available for staircase is long but narrow in width.

Hint Answer

4. ____________ type of arch is constructed from bricks which are finely cut by means of wire saw.

Wire cut arch Gauged arch Rough arch Saw cut arch

Gauged arch

The Gauged arch is used where are fine finish of surface is required. The surfaces of bricks are finished with file. The mortar joints are as thin as 1.50 mm to 0.75 mm.

Hint Answer

5. In _____ arrangement, steps are formed of treads only.

Tread slab steps Cantilever tread slab steps Spandril steps Rectangular steps

Cantilever tread slab steps

In Cantilever Tread slab steps, steps are formed of trades only. For this purpose, only thick stone slab are used without any Riser. The steps eir be rectangular and triangular in shape.

Hint Answer

6. ____________ is lower half portion of arch between crown and skewback.

Spandril Soffit Haunch Ring

Haunch

Whereas, Spandril is irregular triangular space formed between extrados and horizontal line drawn tangent to crown.

Hint Answer

7. _________ stairs are now commonly used in all types of construction and in case of a frame structure of reinforced concrete.

RCC Brick Stone Metal

RCC

The RCC stairs are found to resist wear and fire better than any or material and can be moulded to desired shape. The steps can be provided with suitable finishing materials such as marble, terrazo tile, etc. These stairs can be easily maintained clean and y are strong, durable and pleasing in appearance.

Hint Answer

8. The forms are raised by concrete is in a plastic state and such forms are refore sometimes referred to as _______

Climbing forms Jumping forms Riser forms Running forms

Climbing forms

After a set of slip forms is completely assembled on a concrete base, forms are filled slowly with concrete. When concrete in bottom portion of forms has gained sufficiently rigidity, upward movement of form is started and it is continued at a speed that is controlled by rate at which concrete sets.

Hint Answer

9. A ______ is defined as a sequence of steps and it is provided to afford means of Ascent and Descent between floors or landings.

Stair Beam Roof Sidewalk

Stair

The apartment or room of building, in which stair is located, is known as a staircase and opening or space occupied by stair is known as a Stairway.

Hint Answer

10. The boxes for beams are play prepared from sides and bottom in formwork for an RCC floor.

One, One Two, Two One, Two Two, One

One, Two

The vertical posts are suitable supported by lateral supports. The laterals, tampering blocks, base beams, wooden blocks and Struts are provided to make formwork for floor strong enough to bear load coming up on it.

Hint Answer

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All Chapters

View all Chapter and number of question available From each chapter from construction-building-materials

Functional Planning of Buildings

Functional Planning of Buildings

Important Building Components

Important Building Components

Site Investigation and Ground Techniques

Site Investigation and Ground Techniques

Foundations

Deep Excavations, Pile Foundations and Caisson

Deep Excavations, Pile Foundations and Caisson

Stone and Brick Masonry

Stone and Brick Masonry

Composite Masonry

Composite Masonry

Load Bearing Walls

Load Bearing Walls

Cavity Walls & Partition Walls

Cavity Walls & Partition Walls

Scaffolding, Shoring and Underpinning

Scaffolding, Shoring and Underpinning

Damp Proofing, Water Proofing and Termite Proofing

Damp Proofing, Water Proofing and Termite Proofing

Cement Concrete Construction

Cement Concrete Construction

Arches, Lintels, Stairs and Formwork

Arches, Lintels, Stairs and Formwork

Doors, Windows and Ventilators

Doors, Windows and Ventilators

Fire Protection in Building, Carpentry and Joinery

Fire Protection in Building, Carpentry and Joinery

Floors and Flooring

Floors and Flooring

Roofing Materials

Roofing Materials

Pointing and Plastering

Pointing and Plastering

Painting, Varnishing, Distempering, etc

Painting, Varnishing, Distempering, etc

Acoustics and Ventilation

Acoustics and Ventilation

Air Conditioning, Thermal Insulation, Stones & Ferrous Metals

Air Conditioning, Thermal Insulation, Stones & Ferrous Metals

Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys

Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys

Glass, Lime, Clay Products & Bricks

Glass, Lime, Clay Products & Bricks

Miscellaneous Materials, Plain and Reinforced Cement Concrete

Miscellaneous Materials, Plain and Reinforced Cement Concrete

Construction Equipments

Construction Equipments

Plumbing for Building

Plumbing for Building

Earthquake Resistant Buildings

Earthquake Resistant Buildings

Building Plans, PERT and CPM

Building Plans, PERT and CPM

Rate Analysis, Estimation and Costing

Rate Analysis, Estimation and Costing

Topics

This Chapter arches-lintels-stairs-and-formwork consists of the following topics

Arches

Lintels

Stairs and Formwork

Identify type of Arch given below.

$Identify type of Arch given below.\r\n \r\n$

;

A Stair turning through three right angles is known as a ____ stair.

In ____ all steps lead in one direction only.

____________ type of arch is constructed from bricks which are finely cut by means of wire saw.

In _____ arrangement, steps are formed of treads only.

____________ is lower half portion of arch between crown and skewback.

_________ stairs are now commonly used in all types of construction and in case of a frame structure of reinforced concrete.

The forms are raised by concrete is in a plastic state and such forms are refore sometimes referred to as _______

A ______ is defined as a sequence of steps and it is provided to afford means of Ascent and Descent between floors or landings.

The boxes for beams are play prepared from sides and bottom in formwork for an RCC floor.

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