Related Questions

Aluminium bronze contains aluminium and copper in the ratio of
A 50 : 50
B 40 : 60
C 60 : 40
D 10 : 90
The machinability of aluminium increases when _________ is added to aluminium.
A Copper
B Magnesium
C Silicon
D Lead and bismuth
Addition of manganese to aluminium results in
A Improvement of casting characteristics
B Improvement of corrosion resistance
C One of the best known age and precipitation hardening systems
D Improving machinability
Addition of copper to aluminium results in
A Improvement of casting characteristics
B Improvement of corrosion resistance
C One of the best known age and precipitation hardening systems
D Improving machinability
Addition of lead and bismuth to aluminium results in
A Improvement of casting characteristics
B Improvement of corrosion resistance
C One of the best known age and precipitation hardening systems
D Improving machinability
Addition of silicon to aluminium results in
A Improvement of casting characteristics
B Improvement of corrosion resistance
C One of the best known age and precipitation hardening systems
D Improving machinability
Addition of silicon to aluminium improves its
A Corrosion resistance
B Machinability
C Castability
D None of these
A computer takes 50 nanoseconds to do an 221 addition. How many addition can it do in 1 second?
A 20 million
B 25 million
C 30 million
D 35 million
A man spends 75% of his income. his income is increased by 20% and he increased his expenditure by 10%. His savings are increased by :
A 10%
B 25%
C 37.50%
D 50%
A man spends 75% of his income. His income is increased by 20% and he increased his expenses by 10% . His saving are increased by
A 50%
B 37.50%
C 25%
D 10%

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