2051. The largest consumption of zinc for alloys is in the making of
Bearing metal
Brasses
Brazing solder
Die casting alloys
✅ The correct answer is option B.
2054. 100% H₂SO₄ at 30°C can’t be stored in a vessel made/lined with
Cast iron and high silicon iron
Mild steel and stainless steel
Aluminium, tin and rubber
Teflon, glass and porcelain
✅ The correct answer is option C.
2057. Hydrocyanic acid is not shipped in
Cast iron vessels
Steel cylinders
Aluminium containers
Monel drums
✅ The correct answer is option A.
2060. Carbon tetrachloride can be stored in a storage vessel made of
High silicon iron (14% Si)
Tin
Stainless steel
All of the above
✅ The correct answer is option D.
2063. Electronic structure of a material is generally studied by
Metallurgical microscope
Electron diffraction
Spectroscopic techniques
X-ray
✅ The correct answer is option C.
2029. Locomotive boiler tubes are made of __________ alloys.
Arsenic copper
Magnesium
Aluminium
Nickel
✅ The correct answer is option A.
2031. Metalloid is
Highly electronegative in nature
An element which exhibits the properties of both metal & non-metal
An alloy
All of the above
✅ The correct answer is option B.
2033. Which of the following has the highest compressive strength?
Wrought iron
Cast iron
Mild steel
High carbon steel
✅ The correct answer is option D.
2035. Caustic soda can be stored in __________ drums.
Steel
Cast iron
Brass
Gun metal
✅ The correct answer is option A.
2037. Plate and frame filter press is usually made of
Mild steel
Cast iron
Stainless steel
Galvanised iron
✅ The correct answer is option B.