401. Bitumen is
a ) solid state is called asphalt
b ) semi solid state is called mineral far
c ) fluid is called petr oleum
d ) all of the above
402. Mastic asphalt is
a ) water proof
b ) fire proof
c ) elastic
d ) all of the above
403. Mastic asphalt is generally used for
a ) damp proof course
b ) water proof layer
c ) partition walls
d ) both ( a ) and ( b ) of above
404. Bitumen is generally obtained form
a) organic material
b ) synthetic material
c) petroleum product
d) coal
405. Bitumen may be dissolved in
a ) carbon dioxide
b) water
c ) sodium chloride
d) carbon disulphide
406. Plastic bitumen is generally used for
a ) road pavements
b) expansion joint
c ) crack fillings
d) non of the above
407. Bitumen emulsion is
a ) a paint
b ) a liquid containing bitumen in suspension
c ) used as anti corrosive paint
d ) all of the above
408. Bitumen felt is
a ) used as water proofing material
b ) used as damp proofing material
b ) expansion joint
c ) made from bitumen and adhesion fibre
d ) all of the above
409. Asphalt in obtained form
a ) petroleum distillation
b) bitumen distillation
c ) plastic distillation
d) all of the above
410. Mastic asphalt is
a ) acid resistive material
b) non corrosive materials
c ) corrosive material
d) heating resisting materials
411. The filler used in plastic bitumen is
a ) shale powder
b) talc powder
c ) asbestos powder
d) plastic powder
412. Which one is correct with respect to bitumen ?
a ) liquid petroleum
b ) asphalt
c ) semi – solid + mineral asphalt
d ) all of the above
413. The union of two or more smaller molecule of same or different types with or without elimination of water is known
a ) polymerization
b ) depolymerization
c ) condensation
d ) none of the above
414. The degradation of polymers by disrupting the inter molecular bond is known as
a) polymerization
b ) depolymerization
c) condensation
d) non of the above
415. The natural rubber is obtained from the ….. of the plant .
a) root
b) stem
c) latex
d) branches
416. Plastics are … materials.
a) organic
b) inorganic
c) woody
d) none of the above
417. Who coined the term soil mechanics ?
a ) terzaghi
b ) cassagrande
c ) newmark
d ) rankine
418. Pick up the correct sequence of geological cycle for the formation of soil
a ) transportation – upheaval deposition – weathering
b ) transportation – deposition – weathering – upheaval
c ) weathering upheaval – deposition – transportation
d ) weathering – transportation deposition – upheaval
419. Chemical weathering occurs because of
a ) oxidation
b ) carbonation
c ) hydration
d) all of the above
420. Physical weathering occurs due to
a ) temperature changes
b ) wedging action of ice
c ) spreading of roots of plants
d ) all of the above
421. If the soil stays at a place above the parent rock where it is produced , then it is called
a ) stationary soil
b ) static soil
c ) residual soil
d ) immobile soil
422. An agent responsible for the transportation of soil is
a ) wind
b) water
c ) gravity
d) all of the above
423. Cohesionless soils are formed due to
a ) oxidation of rocks
b ) leaching action of water on rocks
c ) blowing of hot and cold wind
d ) physical disintegration of rocks
424. Peat is composed of
a ) clay and sand
b ) decayed vegetable matter
c ) inorganic silt and silty clay
d ) synthetic chemicals
425. Honey combed structure is found in
a ) gravels
b ) coarse sands
c ) fine silts and clays
d ) highly plastic slays
