Questions

Shock resisting steels should have toughness.

S-5 is a silico-manganese shock resisting steel that offers good ductility.

Ramesh Agrawal

A sweat equity share is an equity share issued by the company to employees or directors at a discount or for consideration other than cash for providing know-how or making available rights in the nature of intellectual property rights or value additions.

Key Challenges of s/w testing:

1. Testing considered late in project

2. Requirements not testable

3. Integration is done after all components have been developed: This might result into full testing not being covered.

4. Complete testing is not possible

Black  surfaces are good emitters of heat ( They are also good absorbers of heat). If the black surface is rough too, the emitting will be better. So (b) is the correct answer. Shining surfaces reflect back radiation. So if the black surface is also shining the effectiveness of emitting heat is lessened.

The outer most electrons that are free to move are called valency electrons that are responsible for the conductivity in the metal atoms.

Proteins are long chains of Amino acids. That is in brief, Amino acids are the monomers of Proteins. Amino acids are compounds which contain both an amino group and a carboxylic group. Proteins are made up of 20 essential amino acids.

Monomer means a small molecule of an organic substance i.e, building block in general.