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Question
what is the unit of hardness?
 Question Submitted By :: Rohit Mathanker
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what is the unit of hardness?
Answer
# 1
it is unitless it is define by gread 
Is This Answer Correct ?    14 Yes 16 No
Rohit Mathanker
 
  Re: what is the unit of hardness?
Answer
# 2
it also defined by number(hardness number). 
Is This Answer Correct ?    31 Yes 5 No
Jayesh
 
 
 
  Re: what is the unit of hardness?
Answer
# 3
HRC,HRB 
Is This Answer Correct ?    17 Yes 6 No
Guest
 
  Re: what is the unit of hardness?
Answer
# 4
vpn , Rc 
Is This Answer Correct ?    3 Yes 5 No
Arvind Yeram
 
  Re: what is the unit of hardness?
Answer
# 5
The unit of hardness can be measured by it hardness number
with the help of (Brinell hardness number and Rockwell
hardness number)
 
Is This Answer Correct ?    62 Yes 4 No
Qasim Ahmed
 
  Re: what is the unit of hardness?
Answer
# 6
HRB 
Is This Answer Correct ?    6 Yes 4 No
Devendra Patil
 
  Re: what is the unit of hardness?
Answer
# 7
unit of hardness is Rockwell hardness number and Brinell
hardness
 
Is This Answer Correct ?    13 Yes 2 No
Abhijit
 
  Re: what is the unit of hardness?
Answer
# 8
caco3 
Is This Answer Correct ?    2 Yes 12 No
Guest
 
  Re: what is the unit of hardness?
Answer
# 9
Depth of penetration is the unit of hardness. 
Is This Answer Correct ?    1 Yes 11 No
Ravinmech52
[Bput]
 
  Re: what is the unit of hardness?
Answer
# 10
the unit of harness is none but it is known by hardness
nuber
 
Is This Answer Correct ?    4 Yes 6 No
Saurav Sharma
 

 
 
 
Other Mechanical Engineering Interview Questions
 
  Question Asked @ Answers
 
wht is octane number from indian refineries   2
What is mean by NPSH? why NPSH available should be more than NPSH required for pump? Lupin 2
What is fission and fusion?   4
what is the effect of reheat on rakine cycle? 1.efficiency increases 2.workt output increses 3. both 4. none of these. Jindal 4
why I-sections are considered to be stronger one than any other ? how does a ship floats? Merchant-Navy 14
what is turbo machine   9
WHAT IS INSULATION?   1
1TR IS = ? CFM Wipro 6
How are tungsten and sintered composite materials are machined? Bhel 5
We can conduct the two test for presure vessels i.e HYDRO and pnumatic. Practically Which one is danger?   1
Why spheroidising is done for ball in the bearings? Bhel 1
In Rankine cycle there is a concept of Tm(mean temp of heat addition)For calculating the efficiency of the cycle we generally use n=1-T2/T1 again Tm taking into consideration we get n=1-T2/Tm as T1>Tm so he efficiency will be different for same cycle. Can anybody explain how is it possible? advance appriciation for your effort Sail 4
 
For more Mechanical Engineering Interview Questions Click Here 
 
 
 
 
 


   
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