Birla Institute of Technology (BIT Mesra) 2007 MAINTENANCE & SAFETY ( ENGG ZC242 ) - Question Paper

Birla Institute of Technology & Science, Pilani

Distance Learning Programmes Division

Second Semester 2006-2007



Mid-Semester Test

(EC-1 Regular)



Course No. : ENGG ZC242

Course Title : MAINTENANCE & SAFETY

No. of Pages = 1

No. of ques. = eight
Nature of examination : Closed Book

Weightage : 40%

Duration : two Hours

Date of examination : 04/02/2007 (AN)

Note:

1. Please follow all the Instructions to Candidates provided on the cover page of the ans book.

2. All parts of a ques. should be answered consecutively. every ans should begin from a fresh page.

3. Mobile phones and computers of any type should not be brought inside the exam hall.

4. Use of any unfair means will outcome in severe disciplinary action.



Q one explain the importance of maintenance in today’s business environment. [5]



Q two describe corrective maintenance and discuss how is it various from design out maintenance system. [5]



Q three describe Preventive Maintenance. How does it differ from Predictive Maintenance? [5]



Q four Mention a few factors to be kept in mind while installing gear drives. [5]

Q five A signal processor has a reliability of 0.90. Because of the low reliability a redundant signal processor is to be added. However, a signal splitter must be added before the signal processors and a comparator must be added after the signal processors. every of the new components has a reliability of 0.90. Does adding a redundant signal processor increase the system reliability? Draw block diagram. [5]

Q six Differentiate ranging from critical spares, non-critical spares and consumable spares.

[5]
Q seven elaborate the objectives of Maintenance Logistics? elaborate the means of achieving the objectives? [2 +3 = 5]

Q8 How does TPM differ from TQM? discuss clearly.

[5]

Earning:   Approval pending.