Related Questions

Beryllium bronze contains
A 60% copper and 40% beryllium
B 80% copper and 20% beryllium
C 97.75% copper and 2.25% beryllium
D 99% copper and 1% beryllium
Addition of beryllium to copper is done mainly to produce a/an __________ alloy.
A Non-sparking & non-magnetic
B High strength
C Precipitation hardenable
D Corrosion resistant
Beryllium bronze has
A High yield point
B High fatigue limit
C Both (A) and (B)
D None of these
Solution X contains 40% salt and 60% water by weights, Solution Y contains 25% salt and 75% water. If a mixture of X and Y contains 30% salt. What percent of the weight of this mixture is solution X?
A 10%
B 33.3%
C 40%
D 42.5%
Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid metal
A Centrifugal
B Axial
C Reciprocation
D Electromagnetic
If 2 kg of metal, of which 1/3 is zine and the rest is copper , be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 17 : 43
B 13 : 42
C 19 : 43
D 15 : 42
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43
A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
A 48
B 32
C 24
D 18
In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called
A Friction zone
B Work-tool contact zone
C Shear zone
D None of these
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

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