For hard materials, the indenter of the Brinell hardness tester is made of __________

steel

diamond

tungsten carbide

copper

For hard materials, the indenter of the Brinell hardness tester is made of __________ Correct Answer tungsten carbide

For the hard material, to avoid the distortion of the ball, the tungsten carbide ball is used as the indenter. Generally, the steel ball is used for the measurement.

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Feb 20, 2025

Related Questions

A tester was used to check the conduction of electricity through a liquid and it was found that the bulb of the tester did not glow. Which of the following two statements will be able to explain this observation. (A) The circuit of tester remained incomplete (B) The current through the tester was too weak

Only A

Only B

Both A and B

Neither A nor B

What is the result of compiling and running the following code?

public class Tester{static int x = 4;public Tester(){System.out.print(this.x); // line 1Tester();}public static void Tester(){ // line 2System.out.print(this.x); // line 3}public static void main(String... args){ // line 4new Tester();}}

Compile error at line 1 (static x must be only accessed inside static methods)

Compile error at line 2 (constructors can't be static)

Compile error at line 3 (static methods can't invoke this)

Compile error at line 4 (invalid argument type for method main )

For the same long diagonal length of indenter of Vickers hardness and Knoop hardness, the Knoop hardness is how much percentage of the Vickers indenter?

50 %

15 %

75 %

100 %

What is the result of compiling and running the following code?

public class Tester{static int x = 4;int y = 9; public Tester(){System.out.print(this.x); // line 1printVariables();}public static void printVariables(){System.out.print(x); // line 2System.out.print(y); // line 3}public static void main(String... args) { // line 4new Tester();}}

Compile error at line 1 (static x must be only accessed inside static methods)

Compile error at line 3 (static methods can't make reference to non-static variables)

Compile error at line 4 (invalid argument type for method main)

Compile error at line 2 (must access x by writing Tester.x)

The Brinell hardness measurement of a material is made by applying a 500 kg load with a 10 mm ball indentor. If the indentation diameter is 6 mm, the Brinell hardness (kg/mm²) will be

31.8