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.

2551.

Frequency distribution curves

A. having a single lump, are called uninodal curves
B. if symmetrical, are called normal curves
C. if not symmetrical, are called skew curves
D. all the above.
Answer» E.
2552.

Orbital radius of GPS satellites is approximately:

A. 15,200 km
B. 26,600 km
C. 18,400 km
D. 36,000 km
Answer» C. 18,400 km
2553.

For the construction of buildings, the subheads of the estimate are

A. Earthwork, Concrete work, Brick work
B. Brickwork, Stone work, Roofing
C. Brickwork Flooring, Wood work, Steel work
D. Plastering or pointing, finishing, water supply and sanitary work
E. All the above.
Answer» F.
2554.

The 'centre line method' is specially adopted for estimating

A. Circular buildings
B. Hexagonal buildings
C. Octagonal buildings
D. Other geometrical shaped buildings
E. All the above.
Answer» F.
2555.

The measurement is made for stone work in square metre in case of

A. Wall facing
B. Columns, lintels, copings
C. Building work
D. Dressed stones in Chajjas
E. (a) and (d) of the above.
Answer» F.
2556.

The value of 'A' of Indian type W.C. shown in the given figure is :

A. 25 cm
B. 30 cm
C. 40 cm
D. 45 cm
Answer» C. 40 cm
2557.

For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
2558.

For the execution of a project, a contractor is

A. a person
B. a firm
C. an agency
D. all the above.
Answer» E.
2559.

For perfect coherent radiation, which one of the following statement is correct?

A. Both the waves must have single frequencies
B. The directions of motion of both waves are parallel.
C. The waves must be collimated
D. All of these
Answer» E.
2560.

Snow consists of

A. snow crystals
B. rimed snow crystals
C. snow flakes
D. All of these
Answer» E.
2561.

The various stages of formation of snow are listed below :1. Formation of ice crystals2. Formation of snow pallets3. Formation of snow flakes4. Formationof snow crystals5. Formation of rimed crystalsWhich one of the following sequences is correct ?

A. 3 2 5 1 4
B. 5 3 1 2 4
C. 1 4 3 5 2
D. 1 3 4 2 5
Answer» D. 1 3 4 2 5
2562.

Fresh and pure snow reflectance

A. is very high in visible region
B. falls off steeply in the near-IR region
C. remains low for longer wave lengths
D. All of these
Answer» E.
2563.

Phytoplanktons :

A. are microscopic plants
B. are the first link in all the aquatic and marine food chains
C. convert solar energy, dissolved carbon and nitrogen into organic biomass
D. All of these
Answer» E.
2564.

Which one of the following statements is correct to remote sensing?

A. The basic property used to identify objects, is called signature.
B. The ratio of the reflected flux to incident flux is called reflectance which varies fron 0 to 1
C. The surface from which emergent radiance is constant in all directions is called Lambertian surface.
D. All of these.
Answer» E.
2565.

The leaf area index (LAI) is :

A. one sided leaf area per unit area of the ground
B. two sided leaf area per -unit area of the ground
C. the average of the two sided area per unit area of the ground
D. None of these
Answer» B. two sided leaf area per -unit area of the ground
2566.

Snow cover on the earth surface :

A. gives the highest reflectance in the visible spectrum
B. shows marked variation in its reflectance characteristics
C. Shows side variation in the grain size
D. All the above
Answer» E.
2567.

Which one of the following is incorrect statement? While passing through the atmosphere, the solar radiation,

A. remains unaffected
B. gets scattered
C. gets absorbed partially
D. None of these
Answer» B. gets scattered
2568.

Electromagnetic waves are characterised by :

A. frequency
B. wave length
C. intensity
D. direction of travel and plane of polarisation.
E. All of these
Answer» F.
2569.

The solid angle subtended by the sphere is :

A. 2
B. 3
C. 4
D. 6
Answer» D. 6
2570.

The range measurements in GPS are made with :

A. 3 L - band frequencies
B. 2 L - band frequencies
C. 2 C - band frequencies
D. 3 C - band frequencies
Answer» C. 2 C - band frequencies
2571.

For accurate position fix, the three satellites:

A. must be along a common arc
B. must be in vertical line above the receiver
C. must be widely separated and well distributed
D. must be such that one satellite is overhead of the receiver and other two widely separated
Answer» D. must be such that one satellite is overhead of the receiver and other two widely separated
2572.

The changes in the reflectivity/emis-sivity with time, is called :

A. spectral variation
B. spatial variation
C. temporal variation
D. None of these
Answer» D. None of these
2573.

The emission of electrons from a metal plate exposed to light depends on the :

A. intensity of the light
B. frequency of light
C. both (a) and (b)
D. neither (a) nor (b)
Answer» D. neither (a) nor (b)
2574.

Which one of the following factors does not affect the scale of the air photographs :

A. focal length
B. flying height
C. ground elevation
D. None of these
Answer» E.
2575.

Crop Acreage and Production Estimation (CAPE) was funded and taken up in 1983 by:

A. USA
B. European Union
C. Russia
D. India
Answer» E.
2576.

The optical property of a water body depends on:

A. absorption by the disolved material
B. absorption by the suspended particulate matter
C. scattering by the surpended particulate matter
D. All of these
Answer» E.
2577.

The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:

A. reflectance
B. reflectance factor
C. albedo
D. none of these
Answer» D. none of these
2578.

Spatial variation in horizontal and vertical directions, is caused due to :

A. physical weathering of rocks
B. chemical weathering of rocks
C. biological'weathering of rocks
D. All of these
Answer» E.
2579.

The object of photo-intepretation is:

A. identification
B. recognition of objects
C. judging the significance of objects
D. All of these
Answer» E.
2580.

DGPS is based on the concept that bais errors in the position of locations in a given local area, are same if their distances are within

A. 25 km
B. 50 km
C. 75 km
D. 100 km
E. 1250 km
Answer» E. 1250 km
2581.

The maximum sun's radiation occurs around:

A. 0.4 m wave length
B. 0.55 wave length
C. 0.7 wave length
D. None of these
Answer» C. 0.7 wave length
2582.

On the sea shore structures, the water wave impact causes

A. direct compressive force due to its horizontal component
B. shear force due to deflected vertical force
C. compressive force due to collapse of the wave
D. suction force due to water returning after striking
E. all of the above.
Answer» F.
2583.

For large vessels, the buoys are strengthened by connecting it to a number of anchors having

A. one legged mooring
B. two legged mooring
C. three legged mooring
D. four legged mooring
E. all the types as above.
Answer» F.
2584.

A dock:

A. is a marine structure for berthing of vessels for loading and unloading cargo and passengers
B. is an artificial basin for vessels where the variation of water in the shore does not affect the level of water
C. is provided with a dock gate
D. is provided with an arrangement to pump out water when required
E. all the above.
Answer» F.
2585.

Which one of the following attributes is not associated with digital maps

A. colour
B. symbology
C. legends
D. south arrow
Answer» E.
2586.

Critical angle of electromagnetic radiation takes place if

A. angle of incidence is equal to angle of refraction
B. angle of incidence is greater than the angle of refraction
C. angle of incidence is equal to 90
D. angle of refraction is equal to 90
Answer» E.
2587.

Earth observations from a satellite platform provides :

A. synoptic view of a large area
B. constant solar zenith angles and similar illumination conditions.
C. repetitive observations of the same area with intervals of a few minutes to a few weeks
D. All of these
Answer» E.
2588.

If electric permittivity and magnetic permeability of the medium are respectively and , then the velocity (Cm) of the electromagnetic wave in the medium is given by :

A. <img src="/_files/images/civil-engineering/elements-of-remote-sensing/14-27-52-1.png">
B. <img src="/_files/images/civil-engineering/elements-of-remote-sensing/14-27-52-2.png">
C. <img src="/_files/images/civil-engineering/elements-of-remote-sensing/14-27-52-3.png">
D. None of these
Answer» C. <img src="/_files/images/civil-engineering/elements-of-remote-sensing/14-27-52-3.png">
2589.

'A time varrying electric field produces a magnetic field.' This phenemenon is called:

A. Hertz's law
B. Ampere Maxwell's law
C. Faraday's law
D. Kirchoff s law
Answer» C. Faraday's law
2590.

Formation of snow occurs if the cloud temperature is

A. just above the freezing point
B. at the freezing point
C. below the freezing point
D. None of these
Answer» D. None of these
2591.

Optimistic time, most likely time and pessimistic times for the activities of a network in the given figure are written above their arrows. If the contractual obligation time for the project is 75, the latest occurrence time for the event 2, is

A. 20
B. 25
C. 35
D. 15
Answer» C. 35
2592.

The three time estimates for the activities of the network shown in the given figure are shown above their arrows. The earliest expected time for the event 4, is

A. 19
B. 14
C. 24
D. None of these.
Answer» B. 14
2593.

While filling the tender for any work, the contractor considers

A. site survey
B. availability of construction materials
C. availability of labour
D. study of specifications
E. all the above.
Answer» F.
2594.

Location of soundings by range and one angle is done by the surveyor

A. on the shore
B. on the boat
C. on the shore or on the boat
D. none of the above.
Answer» D. none of the above.
2595.

In case of reflection and refraction of electromagnetic radiation,

A. angle of incidence = angle of refraction
B. angle of incidence = angle of reflection
C. angle of refraction = sum of the angles of incidence and refraction
D. All the above
Answer» C. angle of refraction = sum of the angles of incidence and refraction
2596.

Location of soundings by two angles from the shore requires establishing

A. one range line parallel to shore
B. one range line perpendicular to shore
C. two range lines mutually perpendicular
D. no range line.
Answer» E.
2597.

The brick work is not measured in cu m in case of

A. One or more than one brick wall
B. Brick work in arches
C. Reinforced brick work
D. Half brick wall.
Answer» E.
2598.

The rate of payment is made for 100 cu m (per % cu m) in case of

A. Earth work in excavation
B. Rock cutting
C. Excavation in trenches for foundation
D. Earth work in filling the plinth
E. all the above.
Answer» F.
2599.

The cross-sectional area of the embankment of a canal fully in embankment in the given figure is

A. <img src="/_files/images/civil-engineering/estimating-and-costing/17-23-83-1.png">
B. <img src="/_files/images/civil-engineering/estimating-and-costing/17-23-83-2.png">
C. <img src="/_files/images/civil-engineering/estimating-and-costing/18-23-83-3u.png">
D. <img src="/_files/images/civil-engineering/estimating-and-costing/18-23-83-4.png">
Answer» D. <img src="/_files/images/civil-engineering/estimating-and-costing/18-23-83-4.png">
2600.

The measurement is made in square metre in case of

A. Cement concrete in foundation
B. R.C.C. structure
C. Hollow concrete block wall
D. Concrete fencing posts
E. None of these.
Answer» F.