Explore topic-wise MCQs in Civil Engineering.

This section includes 131 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

101.

Sapwood consists of

A. Innermost annular rings around the pith
B. Portion of timber between heartwood and cambium layer
C. Thin layers below the bark
D. Thin fibre which extends from the pith outwards and holds the annular rings together
Answer» C. Thin layers below the bark
102.

Pick up the volcanic rock from the following:

A. Granite
B. Dolerite
C. Basalt
D. All the above
Answer» D. All the above
103.

Jumper is a tool used for

A. Testing of stones
B. Quarrying of stones
C. Dressing of stones
D. None of the above
Answer» C. Dressing of stones
104.

A volatile substance added to a paint to make its application easy and smooth, is known as

A. Base
B. Solvent
C. Vehicle
D. None to these
Answer» C. Vehicle
105.

A mortar joint in masonry which is normal to the face of wall is known as

A. Bed joint
B. Wall joint
C. Cross joint
D. Bonded joint
Answer» D. Bonded joint
106.

Putty is

A. Made with finely powdered chalk and linseed oil
B. Used for fixing glass panes
C. Softened by a solution of pearl ash and quick-lime soaked in water
D. All the above
Answer» E.
107.

Assertion A : Normally turpentine oil is recommended as thinner for indoor painting. Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below:

A. Both A and R is true and R is the correct explanation of A
B. Both A and R is true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» C. A is true but R is false
108.

Quick lime

A. Generates heat when added to water
B. Reacts with carbon dioxide
C. May be used for white-washing
D. All the above
Answer» E.
109.

Which of the following stresses is used for identifying the quality of structural steel?

A. Ultimate stress
B. Yield stress
C. Proof stress
D. None of the above
Answer» C. Proof stress
110.

Pick up the incorrect statement from the following:

A. Hydraulic lime is generally obtained by burning kankar
B. Hydraulic lime sets slowly as compared to fat lime
C. Hydraulic lime is generally used in lime mortar
D. None of these
Answer» E.
111.

Which of the following cements contains maximum percentage of dicalcium silicate?

A. Ordinary Portland cement
B. Low heat cement
C. Rapid hardening cement
D. Sulphate resisting cement
Answer» C. Rapid hardening cement
112.

Early attainment of strength in rapid hardening cement is mainly due to

A. Gypsum
B. Finer grinding
C. Tri-calcium silicate
D. Tri-calcium aluminate
Answer» C. Tri-calcium silicate
113.

During pudding

A. Molten metal is kept clear of the fuel
B. Carbon is converted into carbonic acid gas
C. Silicon forms a slag
D. All the above
Answer» E.
114.

Assertion A : Pure lime takes a long time to develop adequate strength. Reason R : Pure lime has slow hardening characteristics. Select your answer according to the coding system given below:

A. Both A and R is true and R is correct explanation of A
B. Both A and R is true and R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» B. Both A and R is true and R is not a correct explanation of A
115.

Advantage of a clamp compared to a kiln for burning bricks is that

A. It takes less time for burning
B. It gives more output of first class bricks
C. It has less initial cost
D. It is suitable when bricks are required in large numbers
Answer» D. It is suitable when bricks are required in large numbers
116.

The plywood

A. Has good strength along the panel only
B. Can be spilt in the plane of the panel
C. Has greater impact resistance to blows than ordinary wood
D. Cannot be bent more easily than ordinary wood of same thickness
Answer» D. Cannot be bent more easily than ordinary wood of same thickness
117.

The stretcher bond in brick masonry can be used only when the thickness of wall is

A. 90 mm
B. 180 mm
C. 190 mm
D. 280 mm
Answer» B. 180 mm
118.

If the iron ore contains clay as an impurity, the flux added during calcination, is

A. Clay
B. Lime stone
C. Argillaceous iron ore
D. All the above
Answer» C. Argillaceous iron ore
119.

Which of the following is the purest form of iron?

A. Cast iron
B. Wrought iron
C. Mild steel
D. High carbon steel
Answer» C. Mild steel
120.

Clay and silt content in a good brick earth must be at least

A. 50 %
B. 40 %
C. 30 %
D. 25 %
Answer» B. 40 %
121.

The basic purpose of a retarder in concrete is

A. To increase the initial setting time of cement paste in concrete
B. To decrease the initial setting time of cement paste in concrete
C. To render the concrete more water tight
D. To improve the workability of concrete mix
Answer» B. To decrease the initial setting time of cement paste in concrete
122.

If is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is

A. 0.70 P
B. 0.75 P
C. 0.80 P
D. 0.85 P
Answer» E.
123.

For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of

A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 1 : 6
Answer» C. 1 : 4
124.

Inner part of a timber log surrounding the pitch, is called

A. Sapwood
B. Cambium layer
C. Heart wood
D. None to these
Answer» D. None to these
125.

The constituent of cement which is responsible for all the undesirable properties of cement is

A. Di-calcium silicate
B. Tri-calcium silicate
C. Tri-calcium aluminate
D. Tetra calcium alumino ferrite
Answer» D. Tetra calcium alumino ferrite
126.

Pick up the correct statement from the following:

A. In stone arches, the stones are placed with their natural beds radial
B. In cornices, the stones are placed with their natural beds as vertical
C. ) In stone walls, the stones are placed with their natural beds as horizontal
D. All the above
Answer» E.
127.

Excess of alumina in brick earth makes the brick

A. Impermeable
B. Brittle and weak
C. To lose cohesion
D. To crack and warp on drying
Answer» E.
128.

Due to attack of dry rot, the timber

A. Cracks
B. Shrinks
C. Reduces to powder
D. None of these
Answer» D. None of these
129.

Plywood has the advantage of

A. Greater tensile strength in longer direction
B. Greater tensile strength in shorter direction
C. Same tensile strength in all directions
D. None of the above
Answer» D. None of the above
130.

The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

A. Plutonic rocks
B. Hypabyssal rocks
C. Volcanic rocks
D. Igneous rocks
Answer» B. Hypabyssal rocks
131.

Which of the following has more fire resisting characteristics?

A. Marble
B. Lime stone
C. Compact sand stone
D. Granite
Answer» D. Granite