Related Questions

Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals.
A Organic peroxides
B Sulphuric acid
C Hydroflouric acid
D None of these
The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting speed for drilling mild steel with high speed steel drills.
A Equal to
B Less than
C More than
D None of these
In drilling operation, the metal is removed by
A Shearing
B Extrusion
C Shearing and extrusion
D Shearing and compression
The cutting speed for counter-boring should be _________ that of drilling operation.
A Equal to
B Less than
C Greater than
D None of these
The main purpose of a boring operation, as compared to drilling, is to
A Drill a hole
B Finish the drilled hole
C Correct the hole
D Enlarge the existing hole
Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the
A Gravity settling chamber
B Cyclone separator
C Electrostatic precipitator
D Bag filter
Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas?
A Packed scrubber
B Gravity settling chamber
C Electrostatic precipitator
D Hydrocyclone
The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as
A Drawing
B Squeezing
C Coining
D Planishing
'Absorption with chemical reaction' is involved in the removal of
A Carbon dioxide from gaseous stream using alkaline solution
B Benzol from coke oven gas using solar oil/wash oil
C Ammonia from coke oven gas using refrigerated water
D Tar from coke oven gas in primary gas coolers using chilled water
Removal of __________ heat is involved in the condensation of a vapor under saturated conditions.
A Super
B Sensible
C Latent
D Both B & C

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