50) In the barcode symbol ?Code 39?, digit 3 indicates

51) The maximum possible value of the average percentage defective in the outgoing products after inspection and rectification is termed as

52) If the actual and forecasted demands for the month of November 2016 are 721 and 706 respectively, what may be the fore cast for December 2016 if the smoothening coefficient is 0?2 ?

53) Guideways of lathe beds are hardened by which of the following methods ?

54) When the hourly wage rate is < 15 and standard time for a particular job is 8 hours, how much can a worker earn daily as per Bedaux plan, if he complete the job in 6 hours ?