Question:
Copper is not present as an alloying constituent in:
Copper is not present as an alloying constituent in:
Show Hint
Nichrome is a heat-resistant alloy used in heating elements. It is made of Nickel and Chromium — not copper.
Updated On: May 26, 2025
- Nichrome
- Delta metal
- Silicone bronze
- Constantan
Show Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Composition of Each Alloy
- Nichrome is an alloy of Nickel (Ni) and Chromium (Cr). It typically contains:
- 80% Nickel,
- 20% Chromium,
- No copper content.
- Delta Metal: A type of brass (an alloy of Copper and Zinc), also includes a small percentage of iron.
- Silicon Bronze: A bronze alloy containing Copper, Silicon, and sometimes Zinc.
- Constantan: An alloy of Copper (55%) and Nickel (45%).
Step 2: Elimination
Copper is a constituent in options (B), (C), and (D), but not in Nichrome (A).
Conclusion: The correct answer is Nichrome, as it contains no copper.
Was this answer helpful?
0
0
Top TS PGECET Metallurgical Engineering Questions
- “It is impossible for a heat engine to be 100% efficient.” This statement is related to:
- If a system is completely ordered and the atoms are at rest at zero Kelvin, then the entropy of the system is:
- Electrodes used in anodizing process are:
- Units for quantity of electricity are:
- Identify the wrong statement:
View More Questions
Top TS PGECET Alloys Questions
Top TS PGECET Questions
- If \( P = \begin{pmatrix} 1 & 1 & 1 \\ 0 & 1 & 2 \\ 0 & 0 & 1 \end{pmatrix} \) is the modal matrix of \( A = \begin{pmatrix} 1 & 1 & 0 \\ 0 & 2 & 2 \\ 0 & 0 & 3 \end{pmatrix} \) then the sum of all the elements of \( P^{-1}AP \) is
- If the system of equations \( kx + y + z = k - 1 \), \( x + ky + z = k - 1 \), and \( x + y + kz = k - 1 \) has infinite solutions, then \( k \) is
- The value of the integral \( \int_C (2xy - x^2) \, dx + (x^2 + y^2) \, dy \) where \( C \) is the boundary of the region enclosed by \( y = x^2 \) and \( y^2 = x \), described in the positive sense, is
- Let \( f(x) = \log x \). The number \( C \) strictly between \( e^2 \) and \( e^3 \) such that its reciprocal is equal to \( \frac{f(e^3) - f(e^2)}{e^3 - e^2} \) is
- The solution of the differential equation \( (D^2 + 2)y = x^2 \) is
View More Questions