Question : An instrument for measuring the hardness of substances is called
Option 1: Lucimeter
Option 2: Keraunograph
Option 3: Durometer
Option 4: Hygrometer
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
Correct Answer: Durometer
Solution : The correct option is the Durometer .
In the case of polymers most often, a durometer is a tool used to gauge a material's hardness. Tougher materials with better indentation resistance are indicated on the scale by higher numbers. Lower values signify materials that are softer and less resistant.
How to crack SSC CHSL
Candidates can download this e-book to give a boost to thier preparation.