Purity of electrical grade aluminium should be ≥ _____________ percent?
Purity of electrical grade aluminium should be ≥ _____________ percent?
A. 95
B. 99.5
C. 85
D. 90
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Addition of _____________ in steel can help in increasing the depth of hardness?
Addition of _____________ in steel can help in increasing the depth of hardness?A. Nickel
B. Chromium
C. Vanadium
D. TungstenCopper is dissolved from its ore by H2SO4 in a percolation tank made of_________________?
Copper is dissolved from its ore by H2SO4 in a percolation tank made of_________________?A. Wood
B. Stainless steel
C. Reinforced concrete lined with lead
D. High silicon iron (14% Si)Which of the following has a very high carbide forming tendency in steels ?
Which of the following has a very high carbide forming tendency in steels ?A. Silicon
B. Chromium
C. Nickel
D. VanadiumSulphur melting pit in the sulphuric acid plant is made of__________________?
Sulphur melting pit in the sulphuric acid plant is made of__________________?A. Lead lined stainless steel
B. Cast iron
C. Steel or cement-brick lined
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Which is an amorphous material ?A. Glass
B. Mica
C. Brass
D. Cast ironA material is able to retain the deformation permanently by virtue of its
Question: A material is able to retain the deformation permanently by virtue of its
[A].elasticity [B].
plasticity [C].
ductility [D].
malleability Answer: Option B
Explanation:
No answer description available for this question.