While an operator handles multi-machine to get the output, for an engineer it is quite important to know the economical number of machines to be allotted per operator. How the number of machines per operator can be found out without considering the factor of machine interference. The cost of operating number of machines by an operator can be calculated by [...]
After reading this article you will learn about:- 1. Basis of Sampling Inspection 2. Application of Sampling Inspection 3. Advantages 4. Disadvantages 5. Uses 6. Procedure. Basis of Sampling Inspection: (i) Variable basis, and (ii) Attribute basis. (i) Variable Basis: In this sampling inspection is conducted on a measurement (variable) basis, on the basis of actual readings taken. Examples of [...]
Appendix A contains a portion of random number table. For convenience of readers, the digits are grouped into sets of 3 and are arranged in 12 rows on each page. For obtaining random number, a pencil may be dropped blindly and the starting point for reading of the numbers shall be the random digit nearest to the spot indicated by [...]