Related Questions

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?
Reasons for testing food quality are
1. It affects a person's health.
2. It affects a person's mental strength.
3. It does not affect a person's nutritional status.
4. It improves the appearance of food.
5. It improves the nutritional value of food.
6. It does not effect taste of food.
Which of the following are probable benefits of securitization, in which assets are transformed into security?
1. For the owner of the asset, it improves the liquidity position as the future receivables are replaced by cash.
2. It improves the channelization of money in the economy.
If the hardness of the case carburized steel needs to be measured, the possible method to measure the hardness of the case will be _________
A steel ball (density ρsteel = 7200 kg/m3) is placed in an upward moving liquid AI (density ρal = 2360 kg/m3, viscosity μAl = 1 × 10-3 Pa.s and Reynolds number = 5 × 105). The force (F) exerted on the steel ball is expressed as F = fπR2(ρAl V2/2)
where, f is friction factor (= 0.2), v is the velocity of liquid AI and R is the radius of steel ball.
The force exerted on the steel ball is
Which of the following is/are wrong?
1. Bhadravati steel plant - not located near coal deposits
2. First modern steel plant in India - Burnpur
3. Bokaro and Bhilai steel plants - German collaboration
4. Durgapur steel plant - British help
The process which improves the machinability of steels, but lowers the hardness and tensile strength is
Brinell hardness of a steel specimen is 151 HBN. Give the value of UTS of Steel in psi.
As the carbon content of the steel increases, the hardness of steel __________ on quenching.
The magnetic properties of steel are greatly affected if the percentage content of manganese exceeds about ___________