The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout
The monsoon
The winter
The summer
None of these
Correct Answer :
A. The monsoon
Related Questions
The main ingredient of a good quality brick earth, is
Magnesia
Lime
Silica
Alumina
Pick up the correct statement from the following:
Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite
Dr. L. Bakeland, a Belgian scientist prepared a product known as Bakelite
Pollark, an Austrian scientist prepared a substance from urea and formaldehyde and called it Plastic
All the above
Upto a maximum of 72% of iron, is available in
Magnetite
Limonite
Siderite
Iron pyrites
Wrought iron is manufactured from pig iron by
Refining
Pudding
Shingling
All the above
Pick up the non-inflammable plastic from the following:
Cellulose acetate plastics
Polyvinyl chloride plastics
Phenol formaldehyde plastic
Urea formaldehyde plastic
Which of the following trees yields hard wood?
Deodar
Chir
Shishum
Pine
The initial setting time for ordinary Portland cement as per IS specifications should not be less than
10 minutes
30 minutes
60 minutes
600 minute
Pick up the polymineralic rock from the following:
Quartz sand
Pure gypsum
Magnesite
Granite
Which of the following should be used for hearting of thicker walls?
Headers
Stretchers
Brick bats
Queen closer
Bitumen felt is used for
Water proofing
Damp proofing
Both (A) and (B)
Neither (A) nor (B)
Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below:
Both A and R is true and, R is the correct explanation of A
Both A and R is true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
Pick up the incorrect statement from the following:
Hydraulic lime is generally obtained by burning kankar
Hydraulic lime sets slowly as compared to fat lime
Hydraulic lime is generally used in lime mortar
None of these
In a mortar, the binding material is
Cement
Sand
Surkhi
Cinder
Bullet proof glass is made of thick glass sheet sandwiched by a layer of
Steel
Stainless steel
High test plastic
Chromium plate
Sea sand used in structures causes
Dampness
Efflorescence
Disintegration
All of these
Pick up the correct statement from the following:
Styrene resin is produced from ethylene which is made from petroleum
Styrene resin is light in weight
Styrene resin transmits ultraviolet waves of light
All the above
Pig iron is manufactured from the ores by
Dressing
Calcination and roasting
Smelting
All the above
Stones used for ornamental work must be
Soft
Hard
Light
Heavy
The rock generally used for roofing, is
Granite
Basalt
Slate
Pumice
Pick up the correct statement from the following:
Catalysts are added to assist and accelerate the hardening of resin
The fillers are inert materials and they impart strength and hardness
Fibrous fillers increase thermal resistance
All the above
A heavy stone is suitable for
Arches
Rubble masonry
Roads
Retaining walls
The process of mixing clay, water and other ingredients to make brick is known as
Kneading
Moulding
Pugging
Drying
If the iron ore contains clay as an impurity, the flux added during calcination, is
Clay
Lime stone
Argillaceous iron ore
All the above
Plastic bitumen is generally used for
Road pavements
Expansion joints
Crack fillings
None to these
The steel used in R.C.C. work is
Stainless steel
Mild steel
High carbon steel
Wrought iron
Pick up the correct statement from the following:
The substance which consists of one primary chemical, is known as monomer
The polymer consists of thousands of monomers joined together
The polymer molecule is called macro-molecule
All the above
Pick up the correct statement from the following:
Quick lime is obtained by burning pure lime stone
Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
Poor lime is obtained by burning lime stone containing impurities more than 5%
All the above
Which of the following stresses is used for identifying the quality of structural steel?
Ultimate stress
Yield stress
Proof stress
None of the above
The rocks formed from molten magma, are called
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of these
For preparing porcelains, the clay should be
Sufficiently pure
Of high degree of tenacity
Of good plasticity
All the above