5814 + Mcqs in Civil Engineering Page 15 McqOptions

701.	Under normal conditions using an ordinary cement, the period of removal of the form work, is :
A.	7 days for beam soffits
B.	14 days for bottom slabs of spans 4.6 m and more
C.	21 days for bottom beams over 6 m spans
D.	2 days for vertical sides of columns
E.	all the above.
Answer» F.

Discussion

702.	Proper proportioning of concrete, ensures
A.	desired strength and workability
B.	desired durability
C.	water tightness of the structure
D.	resistance to water
E.	all the above.
Answer» F.

Discussion

703.	After casting, an ordinary cement concrete on drying
A.	expands
B.	mix
C.	shrinks
D.	none of these.
Answer» D. none of these.

Discussion

704.	The maximum amount of dust which may be permitted in aggregates is
A.	5% of the total aggregates for low workability with a coarse grading
B.	10% of the total aggregates for low workability with a fine grading
C.	20% of the total aggregates for a mix having high workability with fine grading
D.	all the above.
Answer» E.

Discussion

705.	Hydration of cement is due to chemical action of water with
A.	Tricalcium silicate and dicalcium silicate
B.	Dicalcium silicate and tricalcium aluminate
C.	Tricalcium aluminate and tricalcium alumino ferrite
D.	All the above.
Answer» E.

Discussion

706.	To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between
A.	1100 and 1200 C
B.	1200 and 1300 C
C.	1300 and 1400 C
D.	1400 and 1500 C
E.	1500 and 1600 C
Answer» E. 1500 and 1600 C

Discussion

707.	M10 grade of concrete approximates
A.	1 : 3 : 6 mix
B.	1 : 1 : 2 mix
C.	1 : 2 : 4 mix
D.	1 : 1.5 : 3 mix
E.	none of these.
Answer» B. 1 : 1 : 2 mix

Discussion

708.	For ensuring quality of concrete, use
A.	single sized aggegates
B.	two sized aggregate
C.	graded aggregates
D.	coarse aggregates.
Answer» D. coarse aggregates.

Discussion

709.	The standard sand now a days used in India, is obtained from
A.	Jaipur (Rajasthan)
B.	Jullundur (Punjab)
C.	Hyderabad (Andhra Pradesh)
D.	Ennore (Madras)
E.	Cuttuck (Orissa).
Answer» E. Cuttuck (Orissa).

Discussion

710.	According to I.S. : 456, the number of grades of concrete mixes, is
A.	3
B.	4
C.	5
D.	6
E.	7
Answer» F.

Discussion

711.	The mixture of different ingredients of cement, is burnt at
A.	1000 C
B.	1200 C
C.	1400 C
D.	1600 C
E.	1800 C
Answer» D. 1600 C

Discussion

712.	The Auger borings are not common
A.	in soils that require lateral support
B.	in cohesive soils
C.	in soft soils
D.	none of the above.
Answer» B. in cohesive soils

Discussion

713.	The form work from the underside of slabs, can be removed only after
A.	1 day
B.	4 days
C.	7 days
D.	14 days.
Answer» D. 14 days.

Discussion

714.	Arches in the form of masonry arcs struck from more than four centres, are called
A.	two curved arches
B.	gothic arches
C.	ogee arches
D.	drop gothic arches.
Answer» D. drop gothic arches.

Discussion

715.	The risk of segregation is more for
A.	wetter mix
B.	larger proportion of maximum size aggregate
C.	coarser grading
D.	all the above.
Answer» E.

Discussion

716.	According to Rankine's formula, minimum depth of foundations, is
A.	<img src="/_files/images/civil-engineering/building-construction/31-2.31-1.png">
B.	<img src="/_files/images/civil-engineering/building-construction/31-2.31-2.png">
C.	<img src="/_files/images/civil-engineering/building-construction/31-2.31-3.png">
D.	<img src="/_files/images/civil-engineering/building-construction/31-2.31-4.png">
Answer» C. <img src="/_files/images/civil-engineering/building-construction/31-2.31-3.png">

Discussion

717.	If ( ) is the angle of repose of soil of weight w kg/m3, the horizontal pressure p at a depth of h metres per metre length of wall, is
A.	<img src="/_files/images/civil-engineering/building-construction/34-2.92-1.png">
B.	<img src="/_files/images/civil-engineering/building-construction/34-2.92-2.png">
C.	<img src="/_files/images/civil-engineering/building-construction/34-2.92-3.png">
D.	<img src="/_files/images/civil-engineering/building-construction/34-2.92-4.png">
Answer» B. <img src="/_files/images/civil-engineering/building-construction/34-2.92-2.png">

Discussion

718.	Curing
A.	reduces the shrinkage of concrete
B.	preserves the properties of concrete
C.	prevents the loss of water by evaporation
D.	all of the above.
Answer» E.

Discussion

719.	While compacting the concrete by a mechanical vibrator, the slump should not exceed
A.	2.5 cm
B.	5.0 cm
C.	7.5 cm
D.	10 cm
E.	15 cm
Answer» C. 7.5 cm

Discussion

720.	A solid core of rock is formed in side the cylinder in the case of
A.	auger boring
B.	percussion drilling
C.	diamond drilling
D.	wash boring.
Answer» D. wash boring.

Discussion

721.	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.
Answer» D. half king closer.

Discussion

722.	The brick laid with its breadth parallel to the face of a wall, is known as
A.	header
B.	stretcher
C.	closer
D.	none of these.
Answer» B. stretcher

Discussion

723.	The single stage well point system of dewatering an excavation can be used if the depth of excavation does not exceed
A.	5 m
B.	10 m
C.	15 m
D.	20 m
E.	25 m.
Answer» B. 10 m

Discussion

724.	The angular steps used for changing direction of the stairs, are called
A.	round steps
B.	angular steps
C.	winders
D.	radial steps
E.	circular steps.
Answer» D. radial steps

Discussion

725.	Grillage foundation
A.	is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity
B.	is light and economical
C.	does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
D.	is constructed by rolled steel joists (R.S.J.) placed in single or double tier
E.	all the above.
Answer» F.

Discussion

726.	During percussion drilling
A.	ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole
B.	caving or mixing of strata are caused in soft soils or cohesionless soils
C.	the soil to a considerable depth below the bottom of the hole gets disturbed
D.	all the above.
Answer» E.

Discussion

727.	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.
Answer» E.

Discussion

728.	A projecting piece usually provided to support a truss, is
A.	cornice
B.	coping
C.	frieze
D.	lintal.
Answer» D. lintal.

Discussion

729.	The exterior angle between outer faces of a wall, is known as
A.	turn
B.	junction
C.	quion
D.	all the above.
Answer» D. all the above.

Discussion

730.	While designing a stair, the product of rise and going is approximately kept equal to
A.	350
B.	420
C.	450
D.	500
E.	600.
Answer» C. 450

Discussion

731.	In jack arch floor, the rise is kept
A.	1/6th of the span
B.	1/8th of the span
C.	1/10th of the span
D.	1/12th of the span
E.	1/15th of the span.
Answer» E. 1/15th of the span.

Discussion

732.	For constructing a terrazo floor. Pick up the incorrect statement from the following :
A.	a base course is prepared as in cement concrete flooring
B.	a 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling
C.	glass strips are driven into the layer according to the pattern required
D.	after final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material
E.	none of these.
Answer» C. glass strips are driven into the layer according to the pattern required

Discussion

733.	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.
Answer» C. 4 cm per metre length

Discussion

734.	The under surface of an arch, is called
A.	soffit
B.	intrados
C.	haunch
D.	back.
Answer» B. intrados

Discussion

735.	The process of making the back ground rough, before plastering, is
A.	dubbing
B.	hacking
C.	blistering
D.	peeling.
Answer» C. blistering

Discussion

736.	The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than
A.	the column spacing
B.	one-third the column spacing
C.	half the column spacing
D.	three-fourth the column spacing
E.	none of these.
Answer» C. half the column spacing

Discussion

737.	The raft slab is projected beyond the outer walls of the structure by
A.	5 to 10 cm
B.	15 to 20 cm
C.	25 to 30 cm
D.	30 to 45 cm
E.	60 cm.
Answer» E. 60 cm.

Discussion

738.	Black cotton soil is unsuitable for foundations because its
A.	bearing capacity is low
B.	permeability is uncertain
C.	particles are cohesive
D.	property to undergo a volumetric change due to variation of moisture content.
Answer» E.

Discussion

739.	The portion of a brick cut across the width, is called
A.	closer
B.	half brick
C.	bed
D.	bat.
Answer» E.

Discussion

740.	The concrete slump recommended for beams and slabs ; is
A.	25 to 50 mm
B.	25 to 75 mm
C.	30 to 125 mm
D.	50 to 100 mm
E.	none of these.
Answer» D. 50 to 100 mm

Discussion

741.	The member which is placed horizontally to support common rafter of a sloping roof, is
A.	purlin
B.	cleat
C.	batten
D.	strut.
Answer» B. cleat

Discussion

742.	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.
Answer» B. is the upper horizontal wooden member

Discussion

743.	Pick up the commonly adopted geophysical method in civil engineering from the following :
A.	the seisomic method
B.	electrical resistivity method
C.	gravitational method
D.	magnetic method
E.	both (a) and (b) of the above.
Answer» F.

Discussion

744.	To ensure that supporting area of an offset footing of a boundary wall is fully compressive, the C.G. of load must act
A.	at the centre of the base
B.	within the middle third of the base
C.	within the middle fifth of the base
D.	neither (a), (b) nor (c).
Answer» C. within the middle fifth of the base

Discussion

745.	The 9 cm x 9 cm side of a brick as seen in the wall face, is generally known as
A.	stretcher
B.	face
C.	front
D.	header
E.	side.
Answer» E. side.

Discussion

746.	The angle between the axis of earth and the vertical at the station of observation is called
A.	astronomical latitude
B.	astronomical co-latitude
C.	co-declination of star
D.	declination of star.
Answer» C. co-declination of star

Discussion

747.	For any star to be a circumpolar star, its
A.	declination must be 0
B.	declination must be 90
C.	distance from the pole must be less than the latitude of the observer
D.	hour angle must be 180 .
Answer» D. hour angle must be 180 .

Discussion

748.	The elevation of the star at elongation is obtained by
A.	sin = sin cosec
B.	sin = sin sec
C.	sin = cos sec
D.	sin = cos cosec .
Answer» B. sin = sin sec

Discussion

749.	The necessary geometrical condition for triangulation adjustment, is :
A.	The sum of the angles around a station should be 360
B.	The sum of the three angles of a plane triangle should be 180
C.	The sum of the eight angles of a braced quadrilateral should be 360
D.	All the above.
Answer» E.

Discussion

750.	If v, t and are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement
A.	<img src="/_files/images/civil-engineering/advanced-surveying/92-4.139-1.png">
B.	<img src="/_files/images/civil-engineering/advanced-surveying/92-4.139-2.png">
C.	<img src="/_files/images/civil-engineering/advanced-surveying/92-4.139-3.png">
D.	<img src="/_files/images/civil-engineering/advanced-surveying/92-4.139-4.png">
Answer» D. <img src="/_files/images/civil-engineering/advanced-surveying/92-4.139-4.png">

Discussion

Explore topic-wise MCQs in Engineering.

Under normal conditions using an ordinary cement, the period of removal of the form work, is :

Proper proportioning of concrete, ensures

After casting, an ordinary cement concrete on drying

The maximum amount of dust which may be permitted in aggregates is

Hydration of cement is due to chemical action of water with

To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between

M10 grade of concrete approximates

For ensuring quality of concrete, use

The standard sand now a days used in India, is obtained from

According to I.S. : 456, the number of grades of concrete mixes, is

The mixture of different ingredients of cement, is burnt at

The Auger borings are not common

The form work from the underside of slabs, can be removed only after

Arches in the form of masonry arcs struck from more than four centres, are called

The risk of segregation is more for

According to Rankine's formula, minimum depth of foundations, is

If ( ) is the angle of repose of soil of weight w kg/m3, the horizontal pressure p at a depth of h metres per metre length of wall, is

Curing

While compacting the concrete by a mechanical vibrator, the slump should not exceed

A solid core of rock is formed in side the cylinder in the case of

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

The brick laid with its breadth parallel to the face of a wall, is known as

The single stage well point system of dewatering an excavation can be used if the depth of excavation does not exceed

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

Grillage foundation

During percussion drilling

In English garden wall bond

A projecting piece usually provided to support a truss, is

The exterior angle between outer faces of a wall, is known as

While designing a stair, the product of rise and going is approximately kept equal to

In jack arch floor, the rise is kept

For constructing a terrazo floor. Pick up the incorrect statement from the following :

The taper of precast concrete pile should not be more than

The under surface of an arch, is called

The process of making the back ground rough, before plastering, is

The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than

The raft slab is projected beyond the outer walls of the structure by

Black cotton soil is unsuitable for foundations because its

The portion of a brick cut across the width, is called

The concrete slump recommended for beams and slabs ; is

The member which is placed horizontally to support common rafter of a sloping roof, is

Stud(s) of a common wooden partition

Pick up the commonly adopted geophysical method in civil engineering from the following :

To ensure that supporting area of an offset footing of a boundary wall is fully compressive, the C.G. of load must act

The 9 cm x 9 cm side of a brick as seen in the wall face, is generally known as

The angle between the axis of earth and the vertical at the station of observation is called

For any star to be a circumpolar star, its

The elevation of the star at elongation is obtained by

The necessary geometrical condition for triangulation adjustment, is :

If v, t and are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement