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Current Affairs January 2024

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4

A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to

A. 10 %

B. 15 %

C. 20 %

D. 25 %

Correct Answer :

C. 20 %


Related Questions

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4

The ceiling height of a building is

A. Between ceiling and ground level

B. Between ceiling and floor level

C. Upto roof above ground level

D. Upto ceiling from the ground level

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4

Crown is located at

A. Highest point on the extrados of the arch

B. Highest point on the intrados of the arch

C. Skew-back of the arch

D. None of these

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4

Stud(s) of a common wooden partition

A. Are vertical wooden members

B. Is the upper horizontal wooden member

C. Is the lower horizontal wooden member

D. Are the intermediate horizontal wooden members

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4

Pick up the correct statements from the following:

A. Cracks appear on the plastered surface in the form of hair cracks

B. In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water

C. Excessive thermal variations in the backing or plaster causes the plaster to fall

D. All the above

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4

The lintels are preferred to arches because

A. Arches require more headroom to span the openings like doors, windows etc.

B. Arches require strong abutments to withstand arch thrust

C. Arches are difficult in construction

D. All of the above

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4

Gravels

A. Are cohesionless aggregates

B. Vary in size between 2 to 20 mm

C. Never swell when they come into contact with water

D. All the above

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4

Pick up the incorrect statement from the following:

A. The function of foundation is to distribute the load of super structure over a large bearing area

B. No timbering is required for shallow trenches

C. Shallow foundations can be constructed on made-up soil

D. Black cotton soil is very good for foundation bed

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4

In soils possessing low bearing capacity, the type of foundation generally provided, is

A. Column footing

B. Grillage footing

C. Raft footing

D. All the above

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4

The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is

A. Ridge

B. Hip

C. Valley

D. None of these

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4

A wooden block hinged on post outside a door, is known

A. Cleat

B. Stop

C. Horn

D. None of these

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4

The vertical faces of a door opening which support frame of the door, are

A. Jambs

B. Posts

C. Reveals

D. Styles

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4

In grillage foundations a minimum 15 cm cover is provided on

A. Upper flange of top tier

B. Lower beam of lower tier

C. Ends of external beams

D. None to these

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4

The taper of precast concrete pile should not be more than

A. 1 cm per metre length

B. 2 cm per metre length

C. 4 cm per metre length

D. 5 cm per metre length

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4

The form work from the slabs excluding props, can be removed only after

A. 1 day

B. 4 days

C. 7 days

D. 14 days

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4

The piece of a brick cut with its one corner equivalent to half the length and half the width of a full brick, is known as

A. Queen closer

B. Bevelled closer

C. King closer

D. Half king closer

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4

The angular steps used for changing direction of the stairs, are called

A. Round steps

B. Angular steps

C. Winders

D. Radial steps

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4

The compaction of concrete in the drilled pile hole is done by compressed air in the case of

A. Simplex pile

B. Franki pile

C. Pressure pile

D. Vibro pile

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The angle between skew back of a flat arch and the horizontal, is kept approximately equal to

A.

B. 30°

C. 60°

D. 90°

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According to National Building Code, the hydrants in water mains is provided at minimum interval of

A. 50 m

B. 60 m

C. 75 m

D. 90 m

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4

The platform at the end of a series of steps, is known as

A. Platform

B. Relief

C. Rest

D. Landing

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4

The type of flooring suitable for use in churches, theatres, public libraries and other places where noiseless floor covering is desired is

A. Cork flooring

B. Glass flooring

C. Wooden flooring

D. Linoleum flooring

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4

Pick up the consideration to the taken while designing a hospital from the following:

A. The operation theatre unit to be detached as it requires sterilized zone but near the ward for the patients and doctor

B. The mortuary should be detached from the main circulation with a post-mortem room

C. Casualty unit should be provided a separate entrance

D. All the above

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4

A wooden block fixed on back side of a door frame on its post, is known as

A. Cleat

B. Stop

C. Horn

D. None of these

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4

The members which support covering material of a sloping roof, are

A. Rafters

B. Purlins

C. Battens

D. Struts

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4

The construction joints in buildings are provided after

A. 10 m

B. 15 m

C. 20 m

D. 40 m

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In English garden wall bond

A. One course of headers to three or five course of stretchers

B. Queen closer in provided in each heading course

C. The middle course of stretchers is started with a header to give proper vertical joints

D. All the above

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4

The minimum depth of foundation in clayey soils is

A. 0.5 m

B. 0.7 m

C. 0.9 m

D. 1.2 m

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4

The piece of a brick cut along the centre of width in such a way that its length is equal to that of full brick, is called

A. Half brick

B. Queen closer

C. King closer

D. Bevelled closer

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4

To obtain good bonding in brick masonry

A. First class bricks are used

B. Vertical joints in alternate courses are kept in plumb line

C. Bats are used where necessary

D. All the above

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4

The triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as

A. Haunch

B. Spandril

C. Voussoirs

D. Skewbacks