Answer:
a)True
Explanation:
In cutting action,three type of zone are presents
1.Primary zone :
The most of part of energy is converted in to heat.
2.Secondary zone:
Heat generation due to rubbing between tool and chip.This also called deformation zone.
3.Tertiary zone:
Heat generated due to flank of tool and already machined surface.
So the highest temperature is located close to the shear zone.
Answer:
Both technicians are correct.
Explanation:
a. The rate of combustion of diesel as a fuel by diesel engines is lower compared to a gasoline engine. So if the two types of engine are operated with the same litre of fuel and for the same period, the gasoline engine would consume more fuel. Thus, a diesel engine would consume less fuel per mile than a gasoline engine.
b. Diesel engines are more powerful engine compared to a gasoline engine. They are used where a great amount of force is required. So that compared to a gasoline engine of the same size, a diesel engine would provide more torque.
Therefore, the two technicians are correct as regards their statements.
They play a big part in convictions but you can’t convict someone just from a witness statement *usually* it has happened before although it is rare.
Answer:
it depends on how you do it it's mot9