The path and movements followed by men, materials & equipments in executing the activities is indicated by the
Pick the odd man out.
__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.
Silicon percentage in silicon steel used for electrical equipments is about
Pick out the wrong statement.
Ceramic compounds as compared to metallic compounds
Which of the following is not an ore of iron ?
There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.
Which of the following is prone to cup and cone fracture ?
Holes for rivetting purposes should be preferably made by
Shock resisting steels should possess high
In the acid Bessemer process, the hot metal should have the following com-positon.
In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?
Calorific value of __________ are almost same.
Matte smelting is used in the extraction of
Percentage of differential pressure lost in a venturimeter with a tapering ofmay be about
Lap joints are preferred over butt joints in soldering/brazing, because these joints are
Which of the following is not a ferromagnetic material ?
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :
Batch process is preferred over continuous process, when the
Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.
A colloidal system, in which a liquid is dispersed in gas is called a/an
What is the range of tempering temperature (°C) for most of the materials ?
Out of the following, the alloy which has equal percentage of constituents, is
Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is
The most commonly used material for sewers for carrying sewage in the normal situation is
Pressure exerted by a liquid depends upon its
Which is the most lethal weapon ?
One of the methods of purification of leach liquor is ion exchange, which involves
Fatigue life is expected to increase by
Which of the following does not come under the category of electrochemical corrosion ?
Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.
In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).
Which of the following pairs is not correctly matched ?
Compressed dry air is used as the cutting fluid, while machining
Colour comparator is used to measure the
Rain drops falling through atmospheric air attain limited terminal velocity, because of
Which of the following is a permanent fastening?
Often earing defects are found during deep drawing operation, because the
Blast furnace is a
Absorptivity of a grey body varies with the
Wrought iron does not have the
Liquid nitrogen containers can be made from
The moment of inertia of a body comes into play in __________ motion.
Annealing of a material does not
The most detrimental impurity in high pressure boiler feed water is
Production of a hollow product by inflation of a tube or parison is called the __________ process.
Silicon percentage in acid resistant cast iron is about
Please disable the adBlock and continue. Thank you.