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Hassan
1.According to IS 399-1963, the weight of the timber is specified at
A. 8% moisture content
B. 10% moisture content
C. 12% moisture content
D. 8% moisture content
2.The size of mould for bricks, is generally kept
A. a little large to specified size
B. a little small to specified size
C. equal to specified size
D. a little large to specified size
3.Most commonly used solvent in oil paints, is
A. petroleum
B. spirit
C. coaltar
D. petroleum
4.Acrylic sheets
A. possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
B. are generally unaffected by most household detergents
C. possess the light transmission rate of 93%
D. possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
5.With storage, strength of cement
A. increases
B. decreases
C. remains the same
D. increases
6.The commonly used raw material in the manufacture of cement, is
A. slate
B. sand stone
C. lime stone
D. slate
7.Pick up the correct statement from the following:
A. The free quartz suddenly expands at a temperature lower than 600°C
B. The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
C. The sand stone with silicates resist a fire in a better way
D. The free quartz suddenly expands at a temperature lower than 600°C
8.The most commonly used base for timber painting, is
A. red lead
B. zinc white
C. white lead
D. red lead
9.Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:
A. absence of sun light
B. dampness
C. presence of sap
D. absence of sun light
10.The rocks formed from molten magma, are called
A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. sedimentary rocks
11.Bitumen paints offer
A. pleasing surface
B. hard surface
C. smooth surface
D. pleasing surface
12.Pick up the correct statement from the following:
A. Styrene resin is produced from ethylene which is made from petroleum
B. Styrene resin is light in weight
C. Styrene resin transmits ultraviolet waves of light
D. Styrene resin is produced from ethylene which is made from petroleum
13.The lime which contains high percentage of calcium oxide, is generally called
A. fat lime
B. rich lime
C. white lime
D. fat lime
14.For construction of structures under water, the type of lime used, is
A. hydraulic lime
B. fat lime
C. quick lime
D. hydraulic lime
15.Pick up the correct statement from the following:
A. Rust is due to formation of oxides
B. Cast iron oxidises less
C. Steel oxidises most
D. Rust is due to formation of oxides
16.A prime coat is given to steel work with
A. an oxide of iron paint
B. a mixture of white lead and lead paint
C. a special paint
D. an oxide of iron paint
17.Ground glass
A. is made by grinding its one side
B. is made by melting powdered glass paints surface
C. is used for getting light without transparency
D. is made by grinding its one side
18.The harmonious mixing of the clay ingredients, is known as
A. weathering
B. blending
C. tempering
D. weathering
19.Brass is an alloy of
A. copper and zinc
B. zinc and lead
C. tin and silver
D. copper and zinc
20.The wedging is adopted for quarrying costly stratified rock such as
A. laterite
B. marble
C. limestone
D. laterite
21.Rapid hardening cement attains early strength due to
A. larger proportion of lime grounded finer than normal cement
B. lesser proportion of lime grounded coarser than normal cement
C. lesser proportion of lime grounded finer than normal cement
D. larger proportion of lime grounded finer than normal cement
22.Second class bricks
A. are of dark brown colour
B. produce a metallic sound when struck
C. are well burnt
D. are of dark brown colour
23.Pick up the correct statement from the following:
A. The low voltage porcelain is prepared by wet process
B. The high voltage porcelain is prepared by dry process
C. The low voltage porcelain is prepared by dry process
D. The low voltage porcelain is prepared by wet process
24.Pick up the correct statement from the following:
A. Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38%
B. The bulking of fine sand is more than that of coarse sand
C. If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing
D. Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38%
25.Teak wood is suitable for
A. sports articles
B. furnitures
C. railway sleepers
D. sports articles
26.Plywood is normally available
A. 1 mm thick
B. 2 mm thick
C. 2 to 3 mm thick
D. 1 mm thick
27.French polish is
A. oil paint
B. distemper
C. spirit varnish
D. oil paint
28.In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they
A. split easily
B. are affected by moisture
C. both (a) and (b)
D. split easily
29.Which capacitor-store higher amount of energy?
A. Air capacitor
B. Paper capacitor
C. Mica capacitor
D. Air capacitor
30.In paramagnetic materials
A. permanent magnetic dipoles exist but the interaction between neighbouring dipoles is negligible
B. permanent magnetic dipole do not exist
C. permanent magnetic dipoles exist and the interaction between neighbouring dipoles is very strong
D. permanent magnetic dipoles exist but the interaction between neighbouring dipoles is negligible
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