Related Questions

The following element can't impart high strength at elevated temperature
A Manganese
B Magnesium
C Nickel
D Silicon
A teacher's duty is not just to impart information to the student, but also to rouse their curiosity. Choose the meaning of impart.
A import
B export
C give away
D pass on
Addition of __________ to steel does not impart hardness.
A Nickel
B Copper
C Chromium
D Silicon
Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.
A Chromium
B Arsenic
C Copper
D Mangnese
Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser?
A Ethylene glycol
B Stearic acid estors
C Tricresyl phosphate
D Esters of phthalic acid
Which of the following elements does not impart hardness to steel?
A Copper
B Chromium
C Nickel
D Silicon
Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets.
A Chromium
B Nickel
C Tungsten
D Cobalt
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
The ultimate strength in tension for steel is __________ times the ultimate strength in shear.
A 0.5
B 0.9
C 1.5
D 2.5
High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
A One-half
B One-fourth
C Double
D Four times

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