5814 + Mcqs in Civil Engineering Page 56 McqOptions

2751.	The specifications of a cement bag for storage, are
A.	weight 50 kg
B.	height 18 cm
C.	plan area 3000 sq. cm
D.	volume 35 litres
E.	all the above.
Answer» F.

Discussion

2752.	Bulking of sand is
A.	mixing of different sizes of sand particles
B.	mixing of lime with sand
C.	maximum water with sand
D.	swelling of sand when wetted.
Answer» E.

Discussion

2753.	Curing of pavements, floors, roofs and slabs, is done by
A.	membrane method
B.	ponding method
C.	covering surface with bags
D.	sprinkling water method
E.	shading concrete method.
Answer» C. covering surface with bags

Discussion

2754.	Sand generally contains salt if it is obtained from:
A.	nala beds
B.	river beds
C.	sea beds
D.	all the above
E.	none of these.
Answer» D. all the above

Discussion

2755.	The impurity of mixing water which affects the setting time and strength of concrete, is
A.	sodium sulphates
B.	sodium chlorides
C.	sodium carbonates and bicarbonates
D.	calcium chorides
E.	calcium bicarbonates
Answer» D. calcium chorides

Discussion

2756.	A concrete using an air entrained cement
A.	has strength less than 10% to 15%
B.	has more resistance to weathering
C.	is more plastic and workable
D.	is free from segregation and bleeding
E.	all the above.
Answer» D. is free from segregation and bleeding

Discussion

2757.	Placing of concrete should preferably be done at a temperature of
A.	0 C
B.	10 C
C.	20 C
D.	23 C
E.	27 2 C
Answer» F.

Discussion

2758.	The aggregate impact value of the aggregate used in
A.	building concrete is less than 45
B.	road pavement concrete is less than 30
C.	runway concrete is less than 30
D.	all the above.
Answer» E.

Discussion

2759.	The maximum percentage of chemical ingredient of cement is that of
A.	magnesium oxide
B.	iron oxide
C.	aluminium
D.	lime
E.	silica.
Answer» E. silica.

Discussion

2760.	For a concrete mix 1:3:6 and water cement ratio 0.6 both by weight, the quantity of water required per bag, is
A.	10 kg
B.	12 kg
C.	14 kg
D.	16 kg
E.	20 kg
Answer» D. 16 kg

Discussion

2761.	Particles of 0.002 mm size are that of
A.	clay
B.	sand
C.	gravel
D.	none of these.
Answer» B. sand

Discussion

2762.	In the method of voids for determination of the quantity of cement paste, it is assumed that
A.	Voids in coarse aggregates are filled by fine aggregates
B.	Voids in fine aggregates are filled by the cement paste
C.	Volume of fine aggregates is equal to total voids in coarse aggregates plus 10% extra
D.	Volume of cement paste required is equal to total volume of voids in fine aggregates plus 15% extra
E.	All the above.
Answer» F.

Discussion

2763.	If a grading curve is horizontal bet-wen the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve, the graded aggregates do not contain
A.	20 mm particles
B.	10 mm particles
C.	4.75 mm particles
D.	all the above.
Answer» E.

Discussion

2764.	The bulk density of aggregates, depends upon
A.	shape
B.	grading
C.	compaction
D.	all the above.
Answer» E.

Discussion

2765.	Horizontal construction joints in concrete walls are generally provided at
A.	soffit level
B.	window sill level
C.	floor level
D.	all the above.
Answer» E.

Discussion

2766.	If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is
A.	M 100
B.	M 150
C.	M 200
D.	M 250
E.	M 300
Answer» B. M 150

Discussion

2767.	For the construction of thin R.C.C. structures, the type of cement to be avoided, is
A.	ordinary Portland cement
B.	rapid hardening cement
C.	low heat cement
D.	blast furnace slag cement
E.	sulphate resisting cement.
Answer» E. sulphate resisting cement.

Discussion

2768.	Vicat apparatus is used for
A.	fineness test
B.	consistency test
C.	test for setting time
D.	test for tensile strength
E.	none of these.
Answer» C. test for setting time

Discussion

2769.	The shrinkage of concrete
A.	is proportional to water content is the mix
B.	is proportional to cement concrete
C.	increases with age of concrete
D.	all the above.
Answer» E.

Discussion

2770.	Separation of water or water sand cement from a freshly concrete, is known
A.	bleeding
B.	creeping
C.	segregation
D.	flooding
E.	none of these.
Answer» B. creeping

Discussion

2771.	Slump test of concrete is a meausre ofits
A.	consistency
B.	compressive strength
C.	tensile strength
D.	impact value.
Answer» B. compressive strength

Discussion

2772.	According to Water-Cement Ratio Law, the strength of workable plastic concrete
A.	depends upon the amount of water used in the mix
B.	does not depend upon the quality of cement mixed with aggregates
C.	does not depend upon the quanity of cement mixed with aggregates
D.	all the above.
Answer» E.

Discussion

2773.	Saw dust can be rendered chemically inert by boiling it in water containing
A.	ferrous sulphate
B.	potassium chloride
C.	ammonia
D.	nitric acid
E.	sulphuric acid.
Answer» B. potassium chloride

Discussion

2774.	Slump test of concrete is a measure ofits
A.	consistency
B.	compressive strength
C.	tensile strength
D.	impact value.
Answer» B. compressive strength

Discussion

2775.	Pozzolana cement is used with confidence for construction of
A.	dams
B.	massive foundations
C.	abutments
D.	R.C.C. structures
E.	all the above.
Answer» F.

Discussion

2776.	Water cement ratio is
A.	volume of water to that of cement
B.	weight of water to that of cement
C.	weight of concrete to that of water
D.	volume of concrete to that of water
E.	both (a) and (b) of the above.
Answer» F.

Discussion

2777.	The cement becomes useless if its absorbed moisture content exceeds
A.	1%
B.	2%
C.	3%
D.	4%
E.	5%
Answer» F.

Discussion

2778.	The lower water cement ratio in concrete, introduces
A.	smaller creep and shrinkage
B.	greater density and smaller permeability
C.	improved frost resistance
D.	greater wear resistance and improved bond strength
E.	all the above.
Answer» F.

Discussion

2779.	Non-uniform compaction may cause the concrete
A.	porous
B.	non-homogeneous
C.	reduced strength
D.	all the above.
Answer» E.

Discussion

2780.	Log Angles machine is used to test the aggregate for
A.	crushing strength
B.	impact value
C.	abrasion resistance
D.	water absorption
E.	none of these.
Answer» D. water absorption

Discussion

2781.	If fineness modulus of sand is 2.5, it is graded as
A.	very fine sand
B.	fine sand
C.	medium sand
D.	coarse sand
E.	very coarse sand.
Answer» C. medium sand

Discussion

2782.	Efflorescence in cement is caused due to an excess of
A.	alumina
B.	iron oxide
C.	silica
D.	alkalis
E.	magnesium oxide.
Answer» E. magnesium oxide.

Discussion

2783.	Sidereal day
A.	is the period of time taken by the earth in making a complete rotation with reference to stars
B.	is slightly shorter than an ordinary solar day
C.	is divided into the conventional hours, minutes and seconds
D.	all the above.
Answer» E.

Discussion

2784.	Pick up the correct statement for horizontal photographs.
A.	Parallel lines do not appear parallel in central projection
B.	The two sides of a road meet at the vanishing point
C.	The lines parallel to the negative plane are projected as parallel lines
D.	All the above.
Answer» E.

Discussion

2785.	The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called
A.	equator
B.	celestial equator
C.	ecliptic
D.	none of these.
Answer» D. none of these.

Discussion

2786.	The station pointer is generally used in
A.	Triangulation surveying
B.	Astronomical surveying
C.	Hydrographical surveying
D.	Photogrammetric surveying.
Answer» D. Photogrammetric surveying.

Discussion

2787.	23 cm x 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents
A.	1 m
B.	2 m
C.	3 m
D.	4 m
E.	5 m.
Answer» B. 2 m

Discussion

2788.	For a spherical triangle ABC, pick up incorrect statement
A.	<img src="/_files/images/civil-engineering/advanced-surveying/82-4.3-1.png">
B.	<img src="/_files/images/civil-engineering/advanced-surveying/82-4.3-2.png">
C.	<img src="/_files/images/civil-engineering/advanced-surveying/82-4.3-3.png">
D.	<img src="/_files/images/civil-engineering/advanced-surveying/82-4.3-4.png">
E.	none of these.
Answer» E. none of these.

Discussion

2789.	A plate parallel is the line on the plane of the negative
A.	parallel to the principal line
B.	perpendicular to the principal line
C.	along the bisector of the angle between the principal line and a perpendicular line through principal plane
D.	none of these.
Answer» C. along the bisector of the angle between the principal line and a perpendicular line through principal plane

Discussion

2790.	The great circle which passes through the zenith, nadir and the poles, is known as
A.	meridian
B.	vertical circle
C.	prime vertical
D.	none of these.
Answer» B. vertical circle

Discussion

2791.	In triangulation surveys
A.	the area is divided into triangular figures
B.	control stations are located from which detailed surveys are carried out
C.	sides are not measured excepting the base line
D.	angular measurements are only resorted to
E.	all the above.
Answer» F.

Discussion

2792.	In a truly vertical photograph,
A.	principal point coincides the isocentre
B.	iso-centre coincides the plumb point
C.	plumb point coincides the principal point
D.	principal point, iso-centre and plumb point coincide
E.	all the above.
Answer» F.

Discussion

2793.	If the altitudes of a star at its upper and lower transits are 60 30' and 19 30' respectively, the latitude of the place, is
A.	30
B.	35
C.	40
D.	45 .
Answer» D. 45 .

Discussion

2794.	The normal longitudinal overlap is generally kept
A.	50%
B.	60%
C.	70%
D.	75%.
Answer» C. 70%

Discussion

2795.	Pick up the in-correct statement from the folowing :
A.	Correction for refraction is always negative
B.	Correction for parallax is always positive
C.	Correction for semi-diameter is always negative
D.	Correction for dip is always negative
E.	None of these.
Answer» D. Correction for dip is always negative

Discussion

2796.	The length of a parallel of latitude between two meridians is equal to difference in logitudes multiplied by
A.	sin
B.	cos
C.	tan
D.	cot .
Answer» C. tan

Discussion

2797.	The nautical mile is the length of
A.	1 minute of latitude
B.	1 minute of longitude
C.	1 degree of latitude
D.	1 degree of longitude.
Answer» C. 1 degree of latitude

Discussion

2798.	The meridian of a place is
A.	a great circle passing through the place and the poles
B.	a great circle whose plane is perpendicular to the axis of rotation and it also passes through the place
C.	a semi-circle which passes through the place and is terminated at the poles
D.	an arc of the great circle which passes through the place and is perpendicular to the equator.
Answer» D. an arc of the great circle which passes through the place and is perpendicular to the equator.

Discussion

2799.	The method of surveying by triangula-tion was first introduced by the Dutchman Snell in
A.	1600
B.	1615
C.	1630
D.	1650
E.	1680.
Answer» C. 1630

Discussion

2800.	Right ascension of a heavenly body is its equatorial angular distance measured
A.	westward from the first point of Libra
B.	eastward from the first point of Aeries
C.	westward from the first point of Aeries
D.	eastward from the first point of Libra.
Answer» C. westward from the first point of Aeries

Discussion

Explore topic-wise MCQs in Engineering.

The specifications of a cement bag for storage, are

Bulking of sand is

Curing of pavements, floors, roofs and slabs, is done by

Sand generally contains salt if it is obtained from:

The impurity of mixing water which affects the setting time and strength of concrete, is

A concrete using an air entrained cement

Placing of concrete should preferably be done at a temperature of

The aggregate impact value of the aggregate used in

The maximum percentage of chemical ingredient of cement is that of

For a concrete mix 1:3:6 and water cement ratio 0.6 both by weight, the quantity of water required per bag, is

Particles of 0.002 mm size are that of

In the method of voids for determination of the quantity of cement paste, it is assumed that

If a grading curve is horizontal bet-wen the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve, the graded aggregates do not contain

The bulk density of aggregates, depends upon

Horizontal construction joints in concrete walls are generally provided at

If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is

For the construction of thin R.C.C. structures, the type of cement to be avoided, is

Vicat apparatus is used for

The shrinkage of concrete

Separation of water or water sand cement from a freshly concrete, is known

Slump test of concrete is a meausre ofits

According to Water-Cement Ratio Law, the strength of workable plastic concrete

Saw dust can be rendered chemically inert by boiling it in water containing

Slump test of concrete is a measure ofits

Pozzolana cement is used with confidence for construction of

Water cement ratio is

The cement becomes useless if its absorbed moisture content exceeds

The lower water cement ratio in concrete, introduces

Non-uniform compaction may cause the concrete

Log Angles machine is used to test the aggregate for

If fineness modulus of sand is 2.5, it is graded as

Efflorescence in cement is caused due to an excess of

Sidereal day

Pick up the correct statement for horizontal photographs.

The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called

The station pointer is generally used in

23 cm x 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents

For a spherical triangle ABC, pick up incorrect statement

A plate parallel is the line on the plane of the negative

The great circle which passes through the zenith, nadir and the poles, is known as

In triangulation surveys

In a truly vertical photograph,

If the altitudes of a star at its upper and lower transits are 60 30' and 19 30' respectively, the latitude of the place, is

The normal longitudinal overlap is generally kept

Pick up the in-correct statement from the folowing :

The length of a parallel of latitude between two meridians is equal to difference in logitudes multiplied by

The nautical mile is the length of

The meridian of a place is

The method of surveying by triangula-tion was first introduced by the Dutchman Snell in

Right ascension of a heavenly body is its equatorial angular distance measured