Jumper is a tool used for
Testing of stones
Quarrying of stones
Dressing of stones
None of the above
Correct Answer :
B. Quarrying of stones
Related Questions
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:
Both A and R is true and R is correct explanation of A
Both A and R is true and R is not a correct explanation of A
A is true but R is false
A is false but R is true
Initial setting time of cement for asbestos cement products should be not less than
30 minutes
50 minutes
75 minutes
90 minutes
Number of bricks required for one cubic metre of brick masonry is
400
450
500
550
Minimum thickness of wall where single Flemish bond can be used is
Half brick thick
One brick thick
One and a half bricks thick
Two bricks thick
Blister steel
Is obtained by cementation process
Is full of fissures and cavities
Can be easily welded
All the above
Priming consists of
One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil
8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil
One part of white lead, 8 parts of chalk and one part of linseed oil
None to these
The most important constituent of an oil paint, is
Thinner
Vehicle
Pigment
All the above
Bitumen emulsion is
A liquid containing bitumen in suspension
A paint
Used as anti-corrosive paint
All the above
The softest rock is
Marble
Diamond
Talc
Quartz
The amount of water used for one kg of distemper is
0.2 liter
0.4 liter
0.6 liter
0.8 liter
Pick up the correct statement from the following:
Lime is available in Free State
Lime is available by dissolving calcium carbonate in water
Lime is available by calcining calcium carbonate at 900°C
Lime is nothing but calcium chloride
Sapwood consists of
Innermost annular rings around the pith
Portion of timber between heartwood and cambium layer
Thin layers below the bark
Thin fibre which extends from the pith outwards and holds the annular rings together
The presence of original rounded surface on the manufactured piece of timber, is called
Wane
Torn grain
Diagonal grain
Chipmark
Pick up the correct statement from the following:
The free quartz suddenly expands at a temperature lower than 600°C
The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
The sand stone with silicates resist a fire in a better way
All the above
The portion of the brick without a triangular corner equal to half the width and half the length, is called
Closer
Queen closer
King closer
Squint brick
Pug mill is used for
Preparation of clay
Moulding of clay
Drying of bricks
Burning of bricks
Plywood has the advantage of
Greater tensile strength in longer direction
Greater tensile strength in shorter direction
Same tensile strength in all directions
None of the above
Teak wood is suitable for
Sports articles
Furnitures
Railway sleepers
All the above
Mastic asphalt is
Water proof
Fire proof
Elastic
All the above
Expansion Joints in masonry walls are provided in wall lengths usater than
10 m
20 m
30 m
40 m
For one cubic metre of brick masonry, number of bricks required, is
400
425
450
500
The fire clay contains pure
Lime
Oxide of iron
Hydrated aluminium silicate
Magnesium
Plywood is made from
Common timber
Bamboo fibre
Teak wood only
Asbestos sheets
Spalling hammer is used for
Driving wooden headed chisels
Rough dressing of stones
Carving of stones
Breaking small projection of stones
The most fire resistant paints are:
Enamel paints
Aluminium paints
Asbestos paints
Cement paints
Forge pig may be converted to wrought iron by
Rolling
Pudding
Shingling
Refining
With increase in moisture content, the bulking of sand
Increases
Decreases
First increases to a certain maximum value and then decreases
First decreases to a certain minimum value and then increases
Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is
Only (iii)
Both (i) and (iii)
Both (ii) and (iii)
All (i), (ii) and (iii)
Refractory bricks are used for
Retaining walls
Columns
Piers
Combustion chambers
Lime stones are generally known as
Aqueous rocks
Sedimentary rocks
Stratified rocks
All the above