Manufacturing Processes I Practice Test 9

1. A copper block and an air mass block having similar dimensions are subjected to symmetrical heat transfer from one face of each block. The other face of the block will be reaching the same temperature at a rate is?

2. Ratio of inertia to viscous forces is known as?

3. Moving a small straight punch up and down rapidly into a die is done by a process known as?

4. In which of the following process frictional loss is eliminated at the billet container interface?

5. Cereals are added to the molding sand to improve which of the following?

6. Mechanical plating is also called

7. The outer surface of a long cylinder is maintained at constant temperature. The cylinder does not have any heat source. The temperature in the cylinder will?

8. Thermal conductivity of copper in W/m-K is near about ___________

9. In drawing which angle allows the introduction of lubricant into the working zone?

10. Consider the following statements:
The Fourier heat conduction equation Q = -kA(dT/dx) presumes
i. Steady-state conditions
ii. Constant value of thermal conductivity.
iii. Uniform temperatures at the wall surfaces
iv. One-dimensional heat flow.
Which of the above statements are correct?