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.

5451.

The magnetic meridian at any point, is the direction indicated by a freely suspended

A. magnetic needle
B. and properly balanced magnetic needle
C. properly balanced and uninfluenced by local attractive force
D. magnetic needle over an iron pivot.
Answer» D. magnetic needle over an iron pivot.
5452.

Total latitude of a point is positive if it lies

A. north of the reference parallel
B. south of the reference parallel
C. east of the reference parallel
D. west of the reference parallel.
Answer» B. south of the reference parallel
5453.

If the radius of a simple curve is 600 m, the maximum length of the chord for calculating offsets, is taken

A. 10 m
B. 15 m
C. 20 m
D. 25 m
E. 30 m.
Answer» F.
5454.

Bergchrund is a topograhical feature in

A. plains
B. water bodies
C. hills
D. glaciated region
Answer» E.
5455.

To orient a plane table at a point P roughly south of the mid-point of two inaccessible conical hill stations A and B in the plains, a point C is selected in line with AB and table is oriented at C by bringing ab in line with AB. A ray is then drawn towards P and at P the table is oriented by back ray method. The orientation so obtained, is

A. unique and correct
B. incorrect
C. manifold and correct
D. not reliable.
Answer» D. not reliable.
5456.

Pick up the correct statement from the following

A. 1 second of arc corresponds to a displacement ratio of 1:206, 300
B. 1 degree of arc corresponds to a displacement ratio of 1:57
C. the angular errors tend to propagate themselves along a traverse as the square root of the number of stations
D. the errors arising from the linear measures tend to be roughly proportional to the lengths of the lines
E. all the above.
Answer» F.
5457.

Which one of the following statements is correct ?

A. when the axes of rotation of the graduated circle and the verniers are not coincident, the instrument possesses eccentricity
B. the mean of the readings of the two verniers gives correct reading free from the eccentricity
C. one vernier may be used if the readings of two verniers differ by a constant
D. all the above.
Answer» E.
5458.

A standard steel tape of length 30 m and cross-section 15 x 1.0 mm was standardised at 25 C and at 30 kg pull. While measuring a base line at the same temperature, the pull applied was 40 kg. If the modulus of elasticity of steel tape is 2.2 x 106 kg/cm2, the correction to be applied is

A. - 0.000909 m
B. + 0.0909 m
C. 0.000909 m
D. none of these
Answer» B. + 0.0909 m
5459.

To set out a parallel from a given inccessible point to a given line AB, the following observations and made Distance AB and angle PAM = a and angle PBA = b are measured where Mis a point on the line BA produced. The perpendicular to the desired parallel line from A and B are :

A. <img src="/_files/images/civil-engineering/surveying/77-3.361-1.png">
B. <img src="/_files/images/civil-engineering/surveying/77-3.361-2.png">
C. <img src="/_files/images/civil-engineering/surveying/77-3.361-3.png">
D. <img src="/_files/images/civil-engineering/surveying/77-3.361-4.png">
Answer» B. <img src="/_files/images/civil-engineering/surveying/77-3.361-2.png">
5460.

Which of the following introduces an error of about 1 in 1000 if 20 m chain is used

A. length of chain 20 mm wrong
B. one end of the chain 0.9 m off the line
C. one end of chain 0.9 m higher than the other
D. middle of the chain 0.45 m off the line
E. all the above.
Answer» F.
5461.

Simpson's rule for calculating areas states that the area enclosed by a curvilinear figure divided into an even number of strips of equal width, is equal to

A. half the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets, and thrice the sum of the even offsets
B. one third the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets
C. one third the width of a strip, multiplied by the sum of two extreme offsets, four times the sum of the remaining odd offsets, and twice the sum of the even offsets
D. one sixth the width of a strip, multiplied by the sum of the two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets
E. none of these
Answer» C. one third the width of a strip, multiplied by the sum of two extreme offsets, four times the sum of the remaining odd offsets, and twice the sum of the even offsets
5462.

A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be

A. 10 m/sec
B. 15 m/sec
C. 20 m/sec
D. 25 m/sec.
Answer» D. 25 m/sec.
5463.

Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

A. rubber and lead balls undergo equal changes in momentum
B. change in momentum suffered by lead ball is less that of rubber ball
C. momentum of rubber ball is less than that of lead ball
D. none of these.
Answer» E.
5464.

The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at

A. 30
B. 45
C. 60
D. 90
Answer» E.
5465.

A rod 5 m in length is moving in a vertical plane. When it is inclined at 60 to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is

A. 0.5 m/sec
B. 1.0 m/sec
C. 1.5 m/sec
D. 2.5 m/sec
E. 3.0 m/sec
Answer» C. 1.5 m/sec
5466.

A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is

A. 2 cm
B. 3 cm
C. 4 cm
D. 5 cm.
Answer» E.
5467.

Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is

A. maximum if it acts at the centre of gravity of the body
B. different at different points on its line of
C. same at every point on its line of action
D. minimum if it acts at the C.G. of the body
E. none of these.
Answer» D. minimum if it acts at the C.G. of the body
5468.

In case of reduction of levels by the height of instrument method,

A. B.S. - F.S. = difference in R.L.S of the first station and last station
B. (R.L. + I + F.S.) - first R.L = (H.I. + No. of R.L.s.)
C. both (a) and (b) above
D. neither (a) nor (b).
Answer» E.
5469.

A theodolite is said to be in perfect adjustment if

A. rotation axis is vertical to the transit axis
B. transit axis is perpendicular to line of collimation
C. line of collimation sweeps out a vertical plane while the telescope is elevated or depressed
D. all the above.
Answer» E.
5470.

The direction of steepest slope on a contour, is

A. along the contour
B. at an angle of 45 to the contour
C. at right angles to the contour
D. none of these.
Answer» D. none of these.
5471.

While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates

A. the rotation axis is vertical
B. the trummion axis is horizontal
C. the line of collimation is perpendicular to vertical axis
D. none of the above
Answer» B. the trummion axis is horizontal
5472.

The main plate of a transit is divided into 1080 equal divisions. 60 divisions of the vernier coincide exactly with 59 divisions of the main plate. The transit can read angles accurate upto

A. 5"
B. 10"
C. 15"
D. 20"
E. 30"
Answer» E. 30"
5473.

Imaginary line passing through points having equal magnetic declination is termed as

A. isogon
B. agonic line
C. isoclinic line
D. none of these.
Answer» B. agonic line
5474.

In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to

A. ease of reduction of observations
B. facility of holding
C. minimum effect of careless holding on the result
D. none of these.
Answer» D. none of these.
5475.

Removal of parallax, may be achieved by focussing

A. the objective
B. the eye-piece
C. the objective and the eye-piece
D. none of these.
Answer» D. none of these.
5476.

Back bearing of a line is equal to

A. Fore bearing 90
B. Fore bearing 180
C. Fore bearing 360
D. Fore bearing 270
Answer» C. Fore bearing 360
5477.

The longitudinal section of the surface of bubble tube is

A. straight
B. circular
C. parabolic
D. elliptic.
Answer» C. parabolic
5478.

Prismatic compass is considered more accurate than a surveyor's compass, because

A. it is provided with a better magnetic needle
B. it is provided with a sliding glass in the object vane
C. its graduations are in whole circle bearings
D. it is provided with a prism to facilitate reading of its graduated circle
E. both (c) and (d).
Answer» E. both (c) and (d).
5479.

In reciprocal levelling, the error which is not completely eliminated, is due to

A. earth's curvature
B. non-adjustment of line of collimation
C. refraction
D. non-adjustment of the bubble tube.
Answer» D. non-adjustment of the bubble tube.
5480.

A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is

A. 0.33
B. 0.44
C. 0.57
D. 0.67
Answer» E.
5481.

The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is

A. 5 mm
B. 10 mm
C. 15 mm
D. 20 mm.
Answer» E.
5482.

The construction of optical square is based, on the principle of optical

A. reflection
B. refraction
C. double refraction
D. double reflection.
Answer» E.
5483.

The true meridian of a place is the line in which earth's surface is intersected by a plane through

A. east and west points
B. zenith and nadir points
C. north and south geographical poles
D. north and south magnetic poles.
Answer» D. north and south magnetic poles.
5484.

The least count of a vernier scale is

A. sum of the smallest divisions of main and vernier scales
B. value of one division of the primary scale divided by total number of divisions of vernier scale
C. value of one division of vernier scale divided by total number of divisions of primary scale
D. none of these.
Answer» C. value of one division of vernier scale divided by total number of divisions of primary scale
5485.

If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

A. direct vernier
B. double vernier
C. retrograde vernier
D. simple vernier.
Answer» D. simple vernier.
5486.

Cross-staff is used for

A. setting out right angles
B. measuring contour gradient
C. taking levels
D. measuring distances
E. none of these
Answer» B. measuring contour gradient
5487.

The 'point of curve' of a simple circular curve, is

A. point of tangency
B. point of commencement
C. point of intersection
D. mid-point of the curve
Answer» C. point of intersection
5488.

Which one of the following procedures for getting accurate orientation is the most distinctive feature of the art of plane tabling

A. radiation
B. intersection
C. traversing
D. resection.
Answer» E.
5489.

Diurnal variation of magnetic declination is

A. greater at equator than nearer the poles
B. less at equator than nearer the poles
C. less in summer than in winter
D. same at all latitudes and during different months.
Answer» C. less in summer than in winter
5490.

A traverse deflection angle is

A. less than 90
B. more than 90 but less than 180
C. the difference between the included angle and 180
D. the difference between 360 and the included angle.
Answer» D. the difference between 360 and the included angle.
5491.

While measuring a chain line between two stations A and B intervened by a raised ground

A. vision gets obstructed
B. chaining gets obstructed
C. both vision and chaining get obstructed
D. all the above.
Answer» B. chaining gets obstructed
5492.

The formula for the horizontal distances for inclined sights, on staff held normalis s cos + (f + d) cos h sin

A. minus sign is used for angle of depression
B. plus sign is used for angle of depression
C. minus sign is used for angle of elevation
D. non of these.
Answer» B. plus sign is used for angle of depression
5493.

The centre of gravity of the trapezium as shown in below figure from the side is at a distance of

A. <img src="/_files/images/civil-engineering/applied-mechanics/121-5.287-2.png">
B. <img src="/_files/images/civil-engineering/applied-mechanics/121-5.287-3.png">
C. <img src="/_files/images/civil-engineering/applied-mechanics/121-5.287-4.png">
D. <img src="/_files/images/civil-engineering/applied-mechanics/121-5.287-5.png">
Answer» B. <img src="/_files/images/civil-engineering/applied-mechanics/121-5.287-3.png">
5494.

Ramsden eye-piece consists of

A. two convex lenses short distance apart
B. two concave lenses short distance apart
C. one convex lens and one concave lens short distance apart
D. two plano-convex lenses short distance apart, with the convex surfaces facing each other.
Answer» E.
5495.

If a tacheometer is fitted with an anal-latic lens

A. additive constant is 100, multiplying constant is zero
B. multiplying constant is 100, additive constant is zero
C. both multiplying and additive constants are 100
D. both multiplying and additive constants are 50.
Answer» C. both multiplying and additive constants are 100
5496.

Volume of the earth work may be calculated by

A. mean areas
B. end areas
C. Prismoidal formula
D. Trapezoidal
E. all the above.
Answer» F.
5497.

If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

A. 20 rad/sec
B. 15 rad/sec
C. 10 rad/sec
D. 5 rad/sec.
Answer» E.
5498.

The distance between steps for measuring down hill to obtain better accuracy

A. decreases with decrease of slope
B. increases with increase of slope
C. decreases with increase of slope
D. decreases with decrease of weight of the chain.
Answer» D. decreases with decrease of weight of the chain.
5499.

The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at

A. every point of the bubble
B. either end of the bubble
C. the mid-point of the bubble
D. no where.
Answer» D. no where.
5500.

Which one of the following mistakes/errors may be cumulative + or - :

A. bad ranging
B. bad straightening
C. erroneous length of chain
D. sag.
Answer» D. sag.