Explore topic-wise MCQs in Civil Engineering.

This section includes 407 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

351.

Turpentine oil is used in paints as

A. thinner
B. vehicle
C. base
D. drier.
Answer» B. vehicle
352.

The colour of statuary marble used for sculptor's work, is

A. red
B. blue
C. white
D. green
Answer» D. green
353.

Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

A. cant
B. deal
C. baulk
D. strip.
Answer» D. strip.
354.

Polymerization helps to improve the property of

A. strength
B. rigidity
C. elasticity
D. all of these.
Answer» E.
355.

Slacking of lime is affected by

A. keeping it exposed to air
B. immersing the lime in water
C. crushing the lime lumps
D. none of these.
Answer» C. crushing the lime lumps
356.

Oil varnish generally consists of

A. synthetic resin and spirit
B. oil, wax and resin
C. resin, oil and turpentine
D. spirit, oil and wax.
Answer» D. spirit, oil and wax.
357.

The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout

A. the monsoon
B. the winter
C. the summer
D. none of these.
Answer» B. the winter
358.

Pick up the correct statement from the following: Method of sawing timber

A. tangentially to annual rings, is known as tangential method.
B. in four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method.
C. cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing.
D. all the above.
Answer» E.
359.

The foliated structure is very common in

A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. none of these.
Answer» D. none of these.
360.

Good quality cement contains higher percentage of

A. Tricalcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tetra calcium alumino ferrite
Answer» B. Di-calcium silicate
361.

Inner part of a timber log surrounding the pitch, is called

A. sapwood
B. cambium layer
C. heart wood
D. none to these.
Answer» D. none to these.
362.

With storage, strength of cement

A. increases
B. decreases
C. remains the same
D. none to these.
Answer» C. remains the same
363.

Quartzite is a

A. metamorphic rock
B. argillaceous rock
C. calcareous rock
D. silicious rock.
Answer» E.
364.

For preparing porcelains, the clay should be

A. sufficiently pure
B. of high degree of tanacity
C. of good plasticity
D. All the above.
Answer» E.
365.

The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

A. Plutonic rocks
B. Hypabyssal rocks
C. Volcanic rocks
D. Igneous rocks.
Answer» B. Hypabyssal rocks
366.

If the ore impurities is

A. clay, lime stone is used as flux
B. lime stone, clay is used as flux
C. quartz, lime stone and argallaceous iron ores are used as flux
D. All the above.
Answer» E.
367.

Mastic asphalt is

A. acid resisting material
B. non-corrosive material
C. corrosive material
D. heating-resisting material.
Answer» C. corrosive material
368.

The low voltage porcelain is mainly used for

A. switch block
B. insulating tubes
C. lamp sockets
D. All of these.
Answer» E.
369.

Asbestos cement

A. is brittle
B. warps due to changes in humidity
C. strength is lowered when saturated by water
D. all the above.
Answer» E.
370.

The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:

A. radial shakes
B. heart shakes
C. wind cracks
D. twisted fibres.
Answer» D. twisted fibres.
371.

Seasoning of timber is done for

A. increasing moisture content
B. decreasing moisture content
C. increasing strength of timber
D. none to these.
Answer» C. increasing strength of timber
372.

Elastomers can extend upto

A. five times their original dimensions
B. seven times their original dimensions
C. ten times their original dimensions
D. three times their original dimensions.
Answer» D. three times their original dimensions.
373.

Lime stone is not a

A. sedimentary rock
B. stratified rock
C. aqueous rock
D. metamorphic rock.
Answer» E.
374.

If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

A. Bessemer pig
B. Grey or foundry pig
C. White or forge pig
D. Mottled pig.
Answer» D. Mottled pig.
375.

A well seasoned timber may contain moisture up to

A. 4 to 6%
B. 6 to 8%
C. 8 to 10%
D. 10 to 12%.
Answer» E.
376.

A badly mixed cement concrete results in

A. segregation
B. bleeding
C. honey combing
D. none to these.
Answer» D. none to these.
377.

The size of modular bricks, is

A. 10 x 10 x 9 cm
B. 19 x 9 x 9 cm
C. 22.5 x 10 x 8.5 cm
D. 22.5 x 8.0 x 9 cm.
Answer» C. 22.5 x 10 x 8.5 cm
378.

For high grade instruments the steel preferred to, is

A. cast steel
B. bessemer steel
C. mild steel
D. whitworth compressed steel.
Answer» B. bessemer steel
379.

Ground glass

A. is made by grinding its one side
B. is made by melting powdered glass paints surface
C. is used for getting light without transparency
D. all the above.
Answer» E.
380.

The filler used in plastic bitumen, is

A. shale powder
B. talc powder
C. asbestos powder
D. plastic powder
Answer» D. plastic powder
381.

Pick up the non-inflammable plastic from the following:

A. Cellulose acetate plastics
B. Polyvinyl chloride plastics
C. Phenol formaldehyde plastic
D. Urea formaldehyde plastic.
Answer» C. Phenol formaldehyde plastic
382.

Spirit varnish generally consists of

A. oil, wax and resin
B. alcohol, wax and turpentine
C. pigment and synthetic resin
D. spirit and shellac
Answer» E.
383.

Fibre glass

A. retains heat-longer
B. has a higher strength to weight ratio
C. is shock proof and fire retardent
D. does not decay
Answer» E.
384.

For the manufacture of Portland cement, the proportions of raw materials used, are

A. lime 63% ; silica 22% ; other ingredients 15%
B. lime 22% ; silica 63% ; other ingredients 15%
C. silica 40% ; lime 40% ; other ingredients 20%
D. silica 70% ; lime 20% ; other ingredients 10%.
Answer» B. lime 22% ; silica 63% ; other ingredients 15%
385.

Varnish is a transparent or semi-transparent solution of resinuous substances in

A. alcohol
B. linseed
C. turpentine
D. all the above.
Answer» E.
386.

Inhaling of fly-ash over a long period causes

A. silicosis
B. fibrosis of lungs
C. bronchitis
D. pneumonitis
Answer» E.
387.

Cast iron contains carbon approximately

A. 1.5% to 5.5%
B. 0.05% to 1.75%
C. 0.0025
D. none to these.
Answer» B. 0.05% to 1.75%
388.

Blister steel

A. is obtained by cementation process
B. is full of fissures and cavities
C. can not be forged
D. can be easily welded
Answer» E.
389.

For filling cracks in masonry structures, the type of bitumen used, is

A. cut-back bitumen
B. bitumen-emulsion
C. blown bitumen
D. plastic bitumen.
Answer» E.
390.

A bull nose brick is not used for

A. rounding off sharp corners
B. pillars
C. decoration purpose
D. arches.
Answer» E.
391.

The initial setting time of lime-pozzolana, is

A. 30 minutes
B. 60 minutes
C. 90 minutes
D. 120 minutes.
Answer» E.
392.

The rocks in which argil (or clay) predominates, are called

A. sillicious rocks
B. argillaceous rocks
C. calcareous rocks
D. igneous rocks.
Answer» C. calcareous rocks
393.

Gniess is obtained from

A. igneous rocks
B. metamorphic rocks
C. sedimentary rocks
D. sedimentary metamorphic rocks.
Answer» E.
394.

Lacquer paints

A. are generally applied on structural steel
B. are less durable as compared to enamel paints
C. consist of resin and nitro-cellulose
D. contain alcohol as thinner
Answer» E.
395.

Mastic asphalt is normally used for

A. sound insulation
B. water proofing
C. fire proofing
D. none to these.
Answer» C. fire proofing
396.

Wrought iron contains carbon upto

A. 0.0025
B. 0.01
C. 0.015
D. 2%.
Answer» B. 0.01
397.

Ultimate strength to cement is provided by

A. Tricalcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tetra calcium alumino ferrite.
Answer» C. Tri-calcium aluminate
398.

Which one of the following is acid resistant asbestos:

A. actinolite asbestos
B. amosite asbestos
C. anthophylite asbestos
D. crocidolite asbestos
Answer» E.
399.

The size of mould for bricks, is generally kept

A. a little large to specified size
B. a little small to specified size
C. equal to specified size
D. 10% larger than specified size
Answer» B. a little small to specified size
400.

Wrought iron contains carbon about

A. 1.5% to 5.5%
B. 0.5% to 1.75%
C. 0.1% to 0.25%
D. none to these.
Answer» D. none to these.