R4RIN – MCQs, Mock Tests | Engineering Civil Engineering MCQS -Building Materials Section 8

The size of mould for bricks, is generally kept

1. a little large to specified size
2. a little small to specified size
3. equal to specified size
4. 10% larger than specified size

✅ Correct Answer: 1

Most commonly used solvent in oil paints, is

1. petroleum
2. spirit
3. coaltar
4. turpentine.

✅ Correct Answer: 1

Acrylic sheets

1. possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
2. are generally unaffected by most household detergents
3. possess the light transmission rate of 93%
4. all the above.

✅ Correct Answer: 4

With storage, strength of cement

1. increases
2. decreases
3. remains the same
4. none to these.

✅ Correct Answer: 2

The commonly used raw material in the manufacture of cement, is

1. slate
2. sand stone
3. lime stone
4. basalt.

✅ Correct Answer: 3

Pick up the correct statement from the following:

1. The free quartz suddenly expands at a temperature lower than 600°C
2. The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
3. The sand stone with silicates resist a fire in a better way
4. All the above.

✅ Correct Answer: 4

The most commonly used base for timber painting, is

1. red lead
2. red lead
3. white lead
4. titanium white.

✅ Correct Answer: 3

Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:

1. absence of sun light
2. dampness
3. dampness
4. All the above,

✅ Correct Answer: 4

The rocks formed from molten magma, are called

1. sedimentary rocks
2. igneous rocks
3. metamorphic rocks
4. none of these.

✅ Correct Answer: 2

Bitumen paints offer

1. pleasing surface
2. hard surface
3. smooth surface
4. smooth surface

✅ Correct Answer: 4

Pick up the correct statement from the following:

1. Styrene resin is produced from ethylene which is made from petroleum
2. Styrene resin is light in weight
3. Styrene resin is used to manufacture utensils which are unaffected by chemicals
4. All the above.

✅ Correct Answer: 4

The lime which contains high percentage of calcium oxide, is generally called

1. fat lime
2. rich lime
3. white lime
4. All of these.

✅ Correct Answer: 4

For construction of structures under water, the type of lime used, is

1. hydraulic lime
2. fat lime
3. quick lime
4. pure lime

✅ Correct Answer: 1

Pick up the correct statement from the following:

1. Rust is due to formation of oxides
2. Cast iron oxidises less
3. Steel oxidises most
4. Wrought iron oxidises moderat

✅ Correct Answer: 4

A prime coat is given to steel work with

1. an oxide of iron paint
2. a mixture of white lead and lead paint
3. a special paint
4. cement paint.

✅ Correct Answer: 2

Ground glass

1. is made by grinding its one side
2. is made by melting powdered glass paints surface
3. is used for getting light without transparency
4. all the above.

✅ Correct Answer: 4

The harmonious mixing of the clay ingredients, is known as

1. weathering
2. blending
3. tempering
4. None of these.

✅ Correct Answer: 2

Brass is an alloy of

1. copper and zinc
2. zinc and lead
3. tin and silver
4. zinc and nickel

✅ Correct Answer: 1

The wedging is adopted for quarrying costly stratified rock such as

1. laterite
2. marble
3. limestone
4. All the above.

✅ Correct Answer: 4

Rapid hardening cement attains early strength due to

1. larger proportion of lime grounded finer than normal cement
2. lesser proportion of lime grounded coarser than normal cement
3. lesser proportion of lime grounded finer than normal cement
4. larger proportien of lime grounded coarser than normal cement

✅ Correct Answer: 1

The colour of statuary marble used for sculptor's work, is

1. red
2. blue
3. white
4. green

✅ Correct Answer: 3

Second class bricks

1. are of dark brown colour
2. produce a metallic sound when struck
3. are well burnt
4. are under burnt.

✅ Correct Answer: 2

Pick up the correct statement from the following:

1. The low voltage porcelain is prepared by wet process
2. The low voltage porcelain is prepared by wet process
3. The low voltage porcelain is prepared by dry process
4. None of the above.

✅ Correct Answer: 3

Pick up the correct statement from the following:

1. Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38%
2. The bulking of fine sand is more than that of coarse sand
3. The bulking of fine sand is more than that of coarse sand
4. All the above.

✅ Correct Answer: 4

Teak wood is suitable for

1. sports articles
2. furnitures
3. railway sleepers
4. all the above.

✅ Correct Answer: 2

Plywood is normally available

1. 1 mm thick
2. 2 mm thick
3. 2 to 3 mm thick
4. 3 to 4 mm thick

✅ Correct Answer: 4

French polish is

1. oil paint
2. distemper
3. spirit varnish
4. none to these.

✅ Correct Answer: 3

In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they

1. split easily
2. are affected by moisture
3. both (a) and (b)
4. none of these.

✅ Correct Answer: 3