Related Questions

Hindustan Aeronautics Limited handed over the first two indigenously designed and manufactured light combat aircrafts to the Indian Air Force in 2016. What is the name of these new combat aircrafts?
A Marut
B Garud
C Tejas
D Pushpak
The aluminium alloy, mainly used, for anodized utensil manufacture, is
A Duralumin
B Y-alloy
C Magnalium
D Hindalium
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
Engine pistons are usually made of aluminium alloy because it
A Is lighter
B Wear is less
C Absorbs shocks
D Is stronger
The aluminium alloy is used in cylinder blocks because
A It is lighter and has good heat dissipation characteristics
B Material cost is low
C It does not require any cylinder liners
D The piston is also made of aluminium alloy
Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio
A 50 : 20 : 20 : 10
B 40 : 30 : 20 : 10
C 50 : 20 : 10 : 20
D 30 : 20 : 30 : 20
Duralumin is an alloy of aluminium and copper. Percentage of copper in duralumin is
A 38
B 26
C 16
D 4
Perminvar alloy having constant permeability is an alloy of
A Nickel, copper and iron
B Nickel, copper and zinc
C Copper, nickel and antimony
D Iron, zinc and bismuth
The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.
A Less than
B Equal to
C More than
D Either B or C; depends on the type of alloy

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