Explore topic-wise MCQs in Engineering.

This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

751.

The movement of the projector in y-direction, introduces in the model a y-parallax

A. maximum at position 1
B. maximum at position 2
C. maximum at position 5 and 6
D. maximum at positions 3 and 4
E. equally throughout the model.
Answer» F.
752.

Triangulation surveys are carried out for locating

A. control points for surveys of large areas
B. control points for photogrammetric surveys
C. engineering works, i.e. terminal points of long tunnels, bridge abutments, etc.
D. all the above.
Answer» E.
753.

The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called

A. visible horizon
B. sensible horizon
C. celestial horizon
D. true horizon
E. none of the above.
Answer» C. celestial horizon
754.

If and be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is

A. -
B. -
C. +
D. <img src="/_files/images/civil-engineering/advanced-surveying/56-3.94-2.png">
E. ( - ).
Answer» C. +
755.

Accidental errors

A. do not follow any definite mathematical law
B. cannot be removed by applying corrections to the observed values
C. are generally small
D. are also known as compensating errors
E. all the above.
Answer» F.
756.

While making astronomical observations, the observer is mainly concerned with

A. the direction of the vertical, the axis of rotation of the instrument
B. the direction of the poles of the celestial sphere
C. the direction of the star from the instrument
D. all the above.
Answer» E.
757.

The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude :

A. mean sun
B. true sun
C. vernal equinox
D. star
E. all the above.
Answer» F.
758.

The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as

A. satellite station
B. eccentric station
C. false station
D. pivot station.
Answer» E.
759.

If and be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is

A. -
B. -
C. +
D. <img src="/_files/images/civil-engineering/advanced-surveying/86-4.53-1.png">
E. .
Answer» B. -
760.

By raising the z-column of right projector, maximum y-parallax is introduced in the model at

A. position 1
B. position 2
C. position 4
D. position 6
E. position 4 and 6.
Answer» F.
761.

The height displacement on a vertical photograph

A. increases as the horizontal distance increases from the principal point
B. increases as the ground elevation increases
C. decreases as the flying height increases
D. all the above.
Answer» E.
762.

If , H, A and be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude , the following relation holds good

A. <img src="/_files/images/civil-engineering/advanced-surveying/87-4.83-1.png">
B. <img src="/_files/images/civil-engineering/advanced-surveying/87-4.83-2.png">
C. <img src="/_files/images/civil-engineering/advanced-surveying/87-4.83-3.png">
D. all the above.
Answer» E.
763.

Places having same latitude

A. lie on the parallel of the latitude
B. are equidistant from the nearer pole
C. are equidistant from both the poles
D. are equidistant from the equator
E. all the above.
Answer» F.
764.

The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is

A. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.105-1.png">
B. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.105-2.png">
C. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.105-3.png">
D. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.105-4.png">
Answer» B. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.105-2.png">
765.

The shortest distance between two places measured along the surface of the earth, is

A. length of the equator between their longitudes
B. length of the parallel between their longitudes
C. length of the arc of the great circle passing through them
D. none of these.
Answer» D. none of these.
766.

The correction for parallax, is

A. - 8".8 cos
B. + .8" sin
C. + 8".8 cos
D. - 8".8 cos .
Answer» D. - 8".8 cos .
767.

The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is

A. 22 30'
B. 23 27'
C. 23 30'
D. 24 0'.
Answer» C. 23 30'
768.

Systematic errors

A. always follow some definite mathematical law
B. can be removed by applying corrections to the observed values
C. either make the result too great or too small
D. are also known as cumulative errors
E. all the above.
Answer» F.
769.

Perspective centre relates to

A. parallel projection
B. orthogonal projection
C. central projection
D. none of these.
Answer» D. none of these.
770.

The scale of a vertical photograph of focal length f taken from height of H metres above M.S.L., at a point of reduced level h, is

A. <img src="/_files/images/civil-engineering/advanced-surveying/91-4.136-3.png">
B. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.101-1.png">
C. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.101-2.png">
D. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.101-3.png">
Answer» D. <img src="/_files/images/civil-engineering/advanced-surveying/89-4.101-3.png">
771.

The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is

A. altitude and azimuth system
B. declination and hour angle system
C. declination and right ascension system
D. declination and altitude system
E. azimuth and declination system.
Answer» D. declination and altitude system
772.

The difference in longitude of two places expressed in time is equal to the difference in their

A. sidereal time
B. apparent solar time
C. mean solar time
D. all the above.
Answer» E.
773.

In a tropical year, the number of sidereal days, are

A. 365
B. 365.2224
C. 365.2422
D. 366.2422
E. 366.2224.
Answer» E. 366.2224.
774.

Polaris is usually observed for the determination of the azimuth when it is

A. at culmination
B. at elongation
C. neither at culmination nor at elongation
D. either at culmination or at elongation.
Answer» C. neither at culmination nor at elongation
775.

The latitude ( ) of a place and the altitude ( ) of the pole are related by

A. =
B. = 90 -
C. = - 90
D. = 180 - .
Answer» B. = 90 -
776.

At western elongation, the pole star moves

A. eastward
B. westward
C. northward
D. southward.
Answer» E.
777.

The angle between the direction of star and the direction of earth's axis of rotation is called

A. co-declination
B. co-latitude
C. declination
D. latitude.
Answer» B. co-latitude
778.

If the general ground level of any area is 10% of the flying height, the principal points may be used as the centres of radial directions for small scale mapping even in tilted photograph up to

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
779.

The pile which is provided with a bulb filled with concrete at its lower end, is known as

A. Simplex pile
B. Mac-Arthur pile
C. Raymond pile
D. Franki pile
E. none of these.
Answer» C. Raymond pile
780.

In case of multi-storeyed buildings, the forms to be removed first are

A. sides of beams and girders
B. column forms
C. bottom of beams and girders
D. all the above at the same time.
Answer» B. column forms
781.

For providing a raft foundation, the following activities are involved ramming the foundation bedexcavation of the soil upto required depthlaying the reinforcement over the foundation bedcuring the cement concrete placed over reinforcementpouring the cement concrete over the reinforcement. The correct sequence is

A. 1, 2, 3, 4, 5
B. 5, 4, 3, 2, 1
C. 2, 1, 3, 5, 4
D. 3, 2, 5, 1, 4.
Answer» D. 3, 2, 5, 1, 4.
782.

Which one of the following factors is considered for the orientation of buildings :

A. the direction of the prevailing winds in the area
B. the exposure of the walls and roof of the buildings to the rays of sun
C. the extent up to which the sunrays penetrate with the verandah.
D. all the above.
Answer» E.
783.

In horizontal D.P.C, thickness of cement concrete (1 : 2 : 4) is

A. 2 cm
B. 4 cm
C. 6 cm
D. 8 cm
E. 10 cm.
Answer» C. 6 cm
784.

The foundations are placed below ground level, to increase

A. strength
B. workability
C. stability of structure
D. all the above.
Answer» D. all the above.
785.

Which of the following factors are associated with the behaviour of sand mass during earthquake to cause liquefaction ?1. Number of stress cycles2. The frequency, and amplitude of vibration of waves generated by an earthquake3. Characteristics of sand4. Relative densitySelect the correct answer using the codes given below :

A. 1, 2 and 3
B. 1, 2, 3 and 4
C. 2 and 4
D. 3 and 4
Answer» C. 2 and 4
786.

A cold drawn seamless steel tubing subject to internal pressure, has a diameter of 6 cm and wall thickness of 0.2 cm. The ultimate strength of steel is 3600 kg/cm2. The bursting pressure (in kg/cm2) is

A. 120
B. 240
C. 480
D. 960
Answer» C. 480
787.

A cylindrical shell made of mild steel plate of 100 cm diameter is to be subjected to an internal pressure of 10 kg/cm2. If the material yields at 2000 kg/cm2, assuming factor of safety as four and using maximum principal stress theory, thickness of the plate will be

A. 5 mm
B. 10 mm
C. 15 mm
D. 20 mm
Answer» C. 15 mm
788.

In a tilted aerial photograph, if the swing is 230 , then the rotation angle is equal to

A. 140
B. 130
C. 50
D. 25
Answer» C. 50
789.

The graphical condition for equilibrium of concurrent forces is that

A. both the force polygon and the funicular polygon must be closed figures
B. funicular polygon should be a closed figure
C. force polygon need not be a closed figure
D. force polygon should be a closed figure
Answer» B. funicular polygon should be a closed figure
790.

The following steps are involved in making a spigot and socket joint of cast iron pipes used in water supply systems :1. Tarred gasket or hemp yarn in wrapped around the spigot.2. The sipgot end is centered into the socket end of the preceding pipe.3. A joining ring end is placed around the barrel and against the face of the socket.4. The gasket or hemp yarn in caulked slightly.5. Molten pig lead is poured and then caulked.The correct sequence of these steps is

A. 2, 1, 4, 3, 5
B. 2, 1, 3, 4, 5
C. 1, 2, 4, 5, 3
D. 1, 2, 3, 5, 4
Answer» D. 1, 2, 3, 5, 4
791.

The absolute maximum Bending Moment in a simply supported beam of span 20 m due to moving udl of 4 t/m spanning over 5 m is

A. 87.5 t-m at the support
B. 87.5 t-m near the midpoint
C. 3.5 t-m at the midpoint
D. 87.5 t-m at the midpoint
Answer» E.
792.

According to ICAO recommendations, what is the rate of elevation correction for the runway above MSL ?

A. 1 % for every 100 m of elevation above MSL
B. 7 % for every 300 m of elevation above MSL
C. 2 % for every 500 m of elevation above MSL
D. 2 % for every 300 m of elevation above MSL
Answer» C. 2 % for every 500 m of elevation above MSL
793.

A soil has a liquid limit of 45% and lies above the A-line when plotted on a plasticity chart. The group, symbol of the soil as per Soil Classification is

A. <i>CH</i>
B. <i>CI</i>
C. <i>CL</i>
D. <i>MI</i>
Answer» C. <i>CL</i>
794.

A short column of external diameter D and internal diameter d, is subjected to a load W, with an eccentricity 'e', causing zero stress at an extreme fibre. Then the value of 'e' must be

A. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/51-324-1.png">
B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/51-324-2.png">
C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/51-324-3.png">
D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/51-324-4.png">
Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/51-324-4.png">
795.

For total reaction time of 2.5 seconds, coefficient of friction 0.35, design speed 80 km/h, what is the stopping sight distance on a highway ?

A. 127 m
B. 132 m
C. 76 m
D. 56 m
Answer» B. 132 m
796.

What is the use of a station pointer ?

A. For making soundings in water bodies
B. For plotting of soundings in harbour area
C. For marking sunken shipping hazards
D. For making tidal observations
Answer» C. For marking sunken shipping hazards
797.

The ratio of total elongation of a bar of uniform cross-section produced under its own weight to the elongation produced by an external load equal to the weight of the bar is

A. 2
B. 1
C. 1/2
D. 1/4
Answer» D. 1/4
798.

The figure refers to a channel section of uniform thickness of 1 cm used as a beam with the cross-sectional dimensions shown in cm units. If the Moment of Inertia of channel Ixx be equal to 246 cm4 and C be the shear centre, then the value of e in cm is equal to

A. 1.5
B. 2.5
C. 2.25
D. 1.67
Answer» B. 2.5
799.

Which type of light energy is effectively absorbed by CO2 in the lower boundary of the troposphere ?

A. X - rays
B. UV - rays
C. Visible light
D. Infra-red rays
Answer» E.
800.

The following steps are involved in laying a sewer in a trench :1. Transferring the center line of the sewer to the bottom trench.2. Setting sight rails over the trench.3. Driving pegs to the level of the invert line of the sewer.4. Placing the sewer of these steps is The correct sequence of these steps is

A. 1, 2, 3, 4
B. 2, 3, 4, 1
C. 4, 2, 3, 1
D. 2, 3, 1, 4
Answer» E.