Code: A-31                                                                   Subject: INDUSTRIAL ENGINEERING

Time: 3 Hours                                                                                                     Max. Marks: 100

 

NOTE: There are 11 Questions in all.

 

·      Question 1 is compulsory and carries 16 marks. Answer to Q. 1. must be written in the space provided for it in the answer book supplied and nowhere else.

·      Answer any THREE Questions each from Part I and Part II. Each of these questions carries 14 marks.

·      Any required data not explicitly given, may be suitably assumed and stated.

 

 

 

Q1.    Choose the correct or best alternative in the following:                                         (2x8)

 

 

            a.    In operation process chart the following operations and activity are used

 

(A)    inspection                                      (B)  transportation

(C)  delay                                             (D)  storage

                 

            b.  If O and N are the observed and normal performances of an operator, then his performance rating is equal to

 

                  (A) .                                       (B) .

                  (C) .                                (D) .

                                                                                                       

           c.    For low volume of production and non repetitive jobs the following layout is desirable

 

(A)    product layout.                              (B)  process layout.

(C)    Fixed position layout.                    (D)  combination layout.

 

            d.    For fixed and horizontal paths, the following is used for moving materials by hand power

          

                  (A) hand elevator.                                 (B) screw conveyor.

                  (C) bucket conveyor.                            (D) chutes.

 

            e.   If LF = Latest Finish Time, ES = Earliest Start Time, LS = Latest Start Time and EF = Earliest Finish Time, then total float of an activity is equal to

 

                  (A) LS – ES.                                        (B) LF – ES.

                  (C) LF – EF.                                        (D) ES of the next activity – EF of an

                                                                                    activity.

            f.     Lead time is the time between start of the processing of requisition and the time till

 

(A)    the order is placed.                        (B)  the order is delivered to vendor.

(C)  the vendor ships the order.             (D)  the supply is received by the

                                                                   organization.                                                  

 

            g.    At the economic order quantity the cost of carrying the inventory is equal to

 

                   (A) procurement cost.                           (B) zero.                                                               

                  (C) annual cost of units.                        (D) cost of units of economic order quantity.

                 

            h.   Pessimistic time estimate of an activity in PERT is the

                 

(A)   maximum time to complete the activity if there is uncertainty at every turn.

(B)   minimum time if everything goes well.

(C)   most probable time.                       

(D)  average of maximum and minimum time.

       

PART I

Answer any THREE Questions. Each question carries 14 marks.

 

Q.2    a.    Define work study.  Explain its two techniques.                                                              (7)

 

            b.    Describe the work sampling method of determining standard time.                                  (7)

           

Q.3    a.    Give the salient features of M.T.M. system of predetermined motion time standards.            (7)

 

          b.  The average time values observed for the three elements of an operation are              0.10 min, 0.15 min and 0.20 min.  For the same elements, the rating factors are  130%, 127% and 130% respectively.  Determine the standard time for the operation if the allowances are 25% of the standard time.         (7)

 

Q.4      a.    Why wage incentives are given?  What are different types of incentives?                         (7)

 

            b.    Explain the Taylor’s differential piece work system of incentives.                                    (7)

 

Q.5      a.   Discuss the ergonomical design of work place and equipments.                                       (7)

                 

           b.   Explain the following :

                  (i)   Industrial fatigue.                            (ii)  Value analysis.                                            (7)

 

Q.6      a.   Compare preventive and breakdown maintenance.                                                        (7)

 

            b.    Write a short note on accident prevention and industrial safety.                                       (7)

 

 

 

 

 

PART II

Answer any THREE Questions. Each question carries 14 marks.

 

Q.7     a.    Discuss the factors affecting facility location.                                                                  (7)

                 

            b    Explain the principles of material handling.                                                                      (7)

 

Q.8      a.   Explain the exponential moving average method of demand forecasting.                           (7)

 

            b.    Discuss the production planning in flow lines.                                                                 (7)

                           

Q.9      a.    Explain JIT production control.                                                                                      (7)

 

           b.    Describe briefly how ABC analysis is carried out.                                                          (7)

 

Q.10    a.    Differentiate between CPM and PERT.                                                                         (7)

 

            b.    The optimistic time estimate, most likely time estimate and pessimistic time estimates of each activity of a project are given in the following figure in days.                                                                  

 
       

 

 

 

 

 

 

 

 

 

                  Determine the critical path and the completion time of the project.                                  (7)

 

Q.11          a.                                                                   Explain the EOQ policy of inventory control. (7)

 

            b.    Determine the EOQ where monthly usage of units = 2000, cost per                          unit = Rs.2400, procurement cost per order = Rs.100 and inventory carrying cost per year is 20% of the unit cost.   (7)