5814 + Mcqs in Civil Engineering Page 57 McqOptions

2801.	Triangulation surveys are carried out for providing
A.	planimetric control
B.	height control
C.	both planimetric and height control
D.	none of these.
Answer» D. none of these.

Discussion

2802.	Pick up the incorrect statement from the following. In a spherical triangle
A.	every angle is less than two right angles
B.	sum of the three angles is equal to two right angles
C.	sum of the three angles less than six right angles and greater than two right angles
D.	if the sum of any two sides is , the sum of the angles opposite them is also
E.	sum of any two sides is greater than the third.
Answer» C. sum of the three angles less than six right angles and greater than two right angles

Discussion

2803.	The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between
A.	horizon and equator
B.	zenith and pole
C.	equator and zenith
D.	pole and horizon.
Answer» B. zenith and pole

Discussion

2804.	The altitude of a circumpolar star is maximum when it is
A.	at east elongation
B.	at upper culmination
C.	at west elongation
D.	at lower culmination.
Answer» C. at west elongation

Discussion

2805.	The want of correspondence in stereo-photographs
A.	is a good property
B.	is a function of tilt
C.	is not affected by the change of flying height between photographs
D.	is minimum when is 3 .
Answer» C. is not affected by the change of flying height between photographs

Discussion

2806.	The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between
A.	horizon and equator
B.	equator and zenith
C.	zenith and pole
D.	pole and horizon.
Answer» D. pole and horizon.

Discussion

2807.	The coverage is least if photography is
A.	high oblique
B.	low oblique
C.	vertical
D.	none of these.
Answer» D. none of these.

Discussion

2808.	If is the observed altitude, the refraction correction in seconds, is
A.	58" cot
B.	58" tan
C.	58 sin
D.	58 cos .
Answer» B. 58" tan

Discussion

2809.	The value of geo-centric parallax to be added to the observed altitude of sun is
A.	9" cos
B.	9" sin
C.	9" tan
D.	9" cot .
Answer» B. 9" sin

Discussion

2810.	With standard meridian as 82 30' E the standard time at longitude 90 E is 8 h 30 m. The local mean time at the place will be
A.	7 h 00 m
B.	7 h 30 m
C.	8 h 00 m
D.	8 h 30 m
E.	9 h 00 m.
Answer» F.

Discussion

2811.	A star is said to elongate
A.	when the star momentarily moves vertically
B.	when the angle at the star of the spherical triangle is 90
C.	when the star's declination is greater than the observer's latitude
D.	all the above.
Answer» E.

Discussion

2812.	At upper culmination, the pole star moves
A.	eastward
B.	westward
C.	northward
D.	southward.
Answer» C. northward

Discussion

2813.	At lower culmination, the pole star moves
A.	eastward
B.	westward
C.	northward
D.	southward.
Answer» B. westward

Discussion

2814.	G.M.T. corresponding to given mean time, equals
A.	L.M.T. - East longitude in time
B.	L.M.T. + East longitude in time
C.	L.M.T. - West longitude in time
D.	none of the these.
Answer» B. L.M.T. + East longitude in time

Discussion

2815.	Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as
A.	swing
B.	tilt
C.	tip
D.	none of these.
Answer» D. none of these.

Discussion

2816.	The solar tidal force divided by lunar tidal force is
A.	<img src="/_files/images/civil-engineering/advanced-surveying/56-3.94-1.png">
B.	<img src="/_files/images/civil-engineering/advanced-surveying/56-3.94-2.png">
C.	<img src="/_files/images/civil-engineering/advanced-surveying/94-4.173-1.png">
D.	<img src="/_files/images/civil-engineering/advanced-surveying/94-4.173-2.png">
E.	.
Answer» C. <img src="/_files/images/civil-engineering/advanced-surveying/94-4.173-1.png">

Discussion

2817.	The altitudes of a circumpolar star at culminations are 70 and 10 , both culminations being north of zenith. The declination of the star, is
A.	80
B.	70
C.	60
D.	50
E.	40 .
Answer» D. 50

Discussion

2818.	The time interval between successive transits of the moon, is
A.	24 hours 10 minutes
B.	20 hours 25 minutes
C.	24 hours 50 minutes
D.	23 hours 50 minutes
E.	23 hours 25 minutes.
Answer» D. 23 hours 50 minutes

Discussion

2819.	At the first point of Aeries, the sun moves
A.	northward
B.	southward
C.	from south to north of the equator
D.	from north to south of the equator.
Answer» D. from north to south of the equator.

Discussion

2820.	The polaris remains below horizon at
A.	10 N
B.	50 N Latitude
C.	equator
D.	5 S latitude.
Answer» E.

Discussion

2821.	The declination and right ascension of the sun are each equal to zero on
A.	March 21
B.	June 21
C.	September 21
D.	December 22.
Answer» B. June 21

Discussion

2822.	For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through
A.	isocentre
B.	plumb point
C.	principal point
D.	none of these.
Answer» B. plumb point

Discussion

2823.	The sun's declination remains north between
A.	March 21 to June 21
B.	June 21 to September 21
C.	September 21 to December 21
D.	December 21 to Mach 21
E.	both (a) and (b) of above.
Answer» F.

Discussion

2824.	The declination and right ascension of the sun becomes 23 27' S and 270 respectively on
A.	March 21
B.	June 21
C.	September 21
D.	December 22.
Answer» E.

Discussion

2825.	Longitudes are measured from 0 to
A.	180 eastward
B.	180 westward
C.	180 east or westward
D.	360 eastward
E.	360 westward.
Answer» D. 360 eastward

Discussion

2826.	Stellar astronomy deals with
A.	plane surveying
B.	geodetic surveying
C.	star observations
D.	planet observations.
Answer» D. planet observations.

Discussion

2827.	If a star whose declination is 60 N culminates at zenith, its altitude at the lower culmination, is
A.	10
B.	20
C.	30
D.	40
E.	60 .
Answer» D. 40

Discussion

2828.	The longitudes of two places at latitude 60 N are 93 E and 97 W. Their departure is
A.	5100 nautical miles
B.	5700 nautical miles
C.	120 nautical miles
D.	500 nautical miles
E.	none of these.
Answer» C. 120 nautical miles

Discussion

2829.	The point at which sun's declination changes from north to south, is known as
A.	first point of Aeries
B.	first point of Libra
C.	vernal Equinox
D.	autumnal Equinox
E.	both (b) and (d) of the above.
Answer» F.

Discussion

2830.	Pick up the in-correct statement from the following :
A.	Apparent solar time is measured from the lower transit of the true sun
B.	Mean solar time is measured from the lower transit of the mean sun
C.	Sidereal time is measured from the lower transit of the first point of Aries
D.	Sidereal time is measured from the upper transit of the first point of Aries.
Answer» E.

Discussion

2831.	The sidereal day is the time interval between two successive upper transits of
A.	mean sun
B.	first point of Aries
C.	first point of Libra
D.	the polar star
E.	moon.
Answer» C. first point of Libra

Discussion

2832.	The declination and right ascension of the sun becomes 23 27' N and 90 respectively on
A.	March 21
B.	June 21
C.	September 21
D.	December 22.
Answer» C. September 21

Discussion

2833.	If is the declination of the Polaris and is the latitude of the place, the azimuth of the polaris, is
A.	<img src="/_files/images/civil-engineering/advanced-surveying/87-4.81-1.png">
B.	<img src="/_files/images/civil-engineering/advanced-surveying/87-4.81-2.png">
C.	<img src="/_files/images/civil-engineering/advanced-surveying/87-4.81-3.png">
D.	<img src="/_files/images/civil-engineering/advanced-surveying/87-4.81-4.png">
E.	.
Answer» B. <img src="/_files/images/civil-engineering/advanced-surveying/87-4.81-2.png">

Discussion

2834.	Allowable shear strength of concrete, depends upon
A.	shear strength
B.	tensile strength
C.	compressive strength
D.	none of these.
Answer» B. tensile strength

Discussion

2835.	To obtain a very high strength concrete, use very fine grained
A.	Granite
B.	Magnetite
C.	Barite
D.	Volcanic scoria.
Answer» B. Magnetite

Discussion

2836.	Joints in concrete structures, are provided
A.	to reduce the tensile stresses likely to be developed due to evaporation of water
B.	to minimise the change in the dimensions of the slab
C.	to minimise the necessary cracking
D.	all the above.
Answer» E.

Discussion

2837.	If the effective working time is 7 hours and per batch time of concrete is 3 minutes, the output of a concrete mixer of 150 litre capacity, is
A.	15, 900 litres
B.	16, 900 litres
C.	17, 900 litres
D.	18, 900 litres
Answer» E.

Discussion

2838.	The condition not applicable to water cement ratio law, is
A.	internal moisture conditions on hydration continue till complete strength is gained
B.	concrete specimens may be tested at any temperature
C.	concrete specimens need be of same age
D.	concrete specimens need be of same size
E.	none of these.
Answer» C. concrete specimens need be of same age

Discussion

2839.	High temperature
A.	increases the strength of concrete
B.	decreases the strength of concrete
C.	has no effect on the strength of concrete
D.	none of these.
Answer» C. has no effect on the strength of concrete

Discussion

2840.	The slotted template method
A.	is prepared, by graphical method
B.	is suitable for large areas with less control
C.	is rapid and accurate
D.	may be done on any scale
E.	all the above.
Answer» F.

Discussion

2841.	In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of
A.	Gauss' Mid Latitude formula
B.	Delamber's method
C.	Legendr's method
D.	Least square method.
Answer» E.

Discussion

2842.	Pick up the incorrect statement from the following. The angular distance of hevenly bodies on observer's meridian measured from the pole, is
A.	co-declination
B.	co-altitude
C.	co-latitude
D.	polar distance
E.	none of these.
Answer» B. co-altitude

Discussion

2843.	Parallax bar measures
A.	parallax
B.	height
C.	parallax difference
D.	height difference.
Answer» D. height difference.

Discussion

2844.	The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above
A.	equator
B.	horizon
C.	pole
D.	none of these.
Answer» C. pole

Discussion

2845.	A star in northern sphere is said to transit
A.	when its altitude is maximum
B.	when its azimuth is 180
C.	when it is in south
D.	all the above.
Answer» E.

Discussion

2846.	The Polaris describes a small circle round the pole whose radius is approximately
A.	1
B.	2
C.	3
D.	4 .
Answer» B. 2

Discussion

2847.	Latitude of the observer's position is equal to altitude of
A.	north pole
B.	pole star
C.	celestial pole
D.	all the above.
Answer» D. all the above.

Discussion

2848.	The distance between the minor control point and the principal point should be equal to
A.	base line of the left photograph of stereo pair
B.	base line of the right photograph of stereo pair
C.	sum of the base lines of stereo pair
D.	mean of the base lines of the stereo pair.
Answer» E.

Discussion

2849.	The great circle whose plane is perpendicular to the axis of rotation of the earth, is called
A.	equator
B.	terrestrial equator
C.	0 latitude
D.	all the above.
Answer» E.

Discussion

2850.	The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
A.	rational horizon
B.	true horizon
C.	celestial horizon
D.	all the above.
Answer» E.

Discussion

Explore topic-wise MCQs in Engineering.

Triangulation surveys are carried out for providing

Pick up the incorrect statement from the following. In a spherical triangle

The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between

The altitude of a circumpolar star is maximum when it is

The want of correspondence in stereo-photographs

The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between

The coverage is least if photography is

If is the observed altitude, the refraction correction in seconds, is

The value of geo-centric parallax to be added to the observed altitude of sun is

With standard meridian as 82 30' E the standard time at longitude 90 E is 8 h 30 m. The local mean time at the place will be

A star is said to elongate

At upper culmination, the pole star moves

At lower culmination, the pole star moves

G.M.T. corresponding to given mean time, equals

Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as

The solar tidal force divided by lunar tidal force is

The altitudes of a circumpolar star at culminations are 70 and 10 , both culminations being north of zenith. The declination of the star, is

The time interval between successive transits of the moon, is

At the first point of Aeries, the sun moves

The polaris remains below horizon at

The declination and right ascension of the sun are each equal to zero on

For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through

The sun's declination remains north between

The declination and right ascension of the sun becomes 23 27' S and 270 respectively on

Longitudes are measured from 0 to

Stellar astronomy deals with

If a star whose declination is 60 N culminates at zenith, its altitude at the lower culmination, is

The longitudes of two places at latitude 60 N are 93 E and 97 W. Their departure is

The point at which sun's declination changes from north to south, is known as

Pick up the in-correct statement from the following :

The sidereal day is the time interval between two successive upper transits of

The declination and right ascension of the sun becomes 23 27' N and 90 respectively on

If is the declination of the Polaris and is the latitude of the place, the azimuth of the polaris, is

Allowable shear strength of concrete, depends upon

To obtain a very high strength concrete, use very fine grained

Joints in concrete structures, are provided

If the effective working time is 7 hours and per batch time of concrete is 3 minutes, the output of a concrete mixer of 150 litre capacity, is

The condition not applicable to water cement ratio law, is

High temperature

The slotted template method

In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of

Pick up the incorrect statement from the following. The angular distance of hevenly bodies on observer's meridian measured from the pole, is

Parallax bar measures

The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above

A star in northern sphere is said to transit

The Polaris describes a small circle round the pole whose radius is approximately

Latitude of the observer's position is equal to altitude of

The distance between the minor control point and the principal point should be equal to

The great circle whose plane is perpendicular to the axis of rotation of the earth, is called

The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called