Production planning and control April/May 2015

Production planning and control previous Anna University Questions

Anna University Chennai

Question Paper Code : 71837

B.E./B.Tech. DEGREE EXAMINATION, APRIL / MAY 2015

Eighth Semester

Mechanical Engineering

ME 2036/ME 802/ 10122 MEE 44 - PRODUCTION PLANNING and CONTROL

(Common to Production Engineering and Mechanical and Automation Engineering)

(Regulation 2008/2010)

                                                                                          Time: Three hours

                                                                                Maximum : 100 marks

Answer ALL questions

PART A - (10 x 2 = 20 marks)

1. List the objectives of planning and control
2. What is break even analysis?
3. Define method study.
4. Mention any two tools used in' time study.
5. What is value analysis?
6. Define product planning
7. What are Gantt charts.
8. Brief about ‘Kanban’.
9. List the advantages of two bin system.
10. What is MRP II?

PART B-(5 x 16 =80 marks)

11.  (a) (i) Describe the functions of production control. (10)
(ii) Explain the economics of a new design. (6)

Or

(b) Discuss the various aspects of product development and design (16)

12. (a) (i) Describe the basic procedure of method study. (10)
(ii) What is production study? Explain. (6)

or

(b) Explain the following:
(i) Memo motion study
(ii) Work sampling
(iii) Micromotion study. (4 + 6 + 6)

13. (a) Define process planning. Discuss in detail steps for the same (16)

or

(b) (i) Describe the problems due to the lack of product planning (6)
(ii) Explain how process capabilities are analyzed in a multi product system. (10)

14. (a) (i) What is perpetual loading? Describe (6)
(ii) Discuss periodic batch control (6)
(iii) Explain any one of techniques for aligning completion times and due dates. (4)

Or

(b) Sequence the following jobs to minimize the processing times on the two machines. Also computer the idle times of the machines.
Jobs           1  2  3  4  5  6
Machine 1 5  9  4  7  8  6
Machine 2 7  4  8  3  9  5

15. (a) (i) Discuss he effect of demand on inventories. (4)
(ii) Describe the elements of just in time systems. (12)

Or

b) (i) What is ERP. Briefly explain. (4)
(ii) Following components are required for repairing oil engines. Classify the same by ABC analysis (12)
Component code :                 C01 C02 C03 C04 C05 C06  C07   C08   C09  C10
Units cost in Rs.                   100  200   50  300 500 3000 1000 7000  5000    60
Annual consumption in units   100 300 700   400 1000  30    200   500   105   1000

Metrology and Mesurement university questions

This post covers the important repeated part-B questions (16 mark questions) of ME6504-Metrology and Measurements,Regulation 2013 for III Year V semester Mechanical Engineering Students asking from the Anna University Chennai. Take this post for your reference and get more marks in this subject.

ANNA UNIVERSITY-CHENNAI

REGULATION 2013

DEPARTMENT OF MECHANICAL ENGINEERING

YERR/SEMESTER : III/V

SUBJECT CODE/NAME:ME6604/METROLOGY AND              MEASUREMENTS

UNIT-III   ADVANCES IN METROLOGY 

 (Part B -16 Marks- questions)

1.Explain   with   a  neat   diagram   the   construction   and   working  principle  of heterodyne  laser   interferometer.  

                                                            

2.Briefly  explain  the  constructional   features of Co-ordinate  Measuring  Machine Compare moving bridge   and  moving  table  CMM. 

3.Explain  the  principle  of Machine Vision system.

4.Write   a  short   note  on Computer Aided Inspection.

5.Explain  the  construction  and  working of a  laser   Telemetricsystem   with   a neat   sketch.

6.Explain the construction  and  working of  various bridge   type  Co-ordinate Measuring   Machines.

7.With a neat sketch explain the working of laser interferometer.

8.Describe the construction and operation of a coordinate measuring machine.

State the advantages of CMM.

9.Explain  the  working  of A.C.  laser   interferometer   and   how  it  is  used   for length   of travel   and  angular   variation  measurement?

10.How   are   the  pitch   and   roll errors  in  Z-axis of  a  VMC  measured  using laser  interferometer?

UNIT-IV     FORM MEASUREMENT

 (Part B -16 Marks- questions) 

1.Describe  with   a  neat sketch    the  measurement  of  pitch of  internal and  external  screw  threads    using   a pitch  measuring  machine.   

         

2.Explain  the   constant  cord  method   of measuring   the   tooth   thickness  in   gears.  

                                                                                                       

3.Explain    with   suitable  sketches  the   measurement    of  straightness   using  autocollimator.

4.Explain   the   method    for  measuring  effective  diameter  of  internal  screw threads.

5.How  is  the  involute  profile of gear  tooth   inspected?

6.Define straightness  and  how  is  it measured?

7.Describe  any  one electronic type surface roughness measuring instrument.

8.Explain   the   following  tooth   thickness  measurement.

(i) Constant  Chord  method       (ii) Chordal Thickness  method.

9.Briefly explain the  step by  step procedure for determining the flatness of a surface with a neat   sketch.

                                                  

10.With a neat sketch, describe the construction and working of a  profilometer.

11.Derive the formula for measuring the effective diameter of a screw thread by three-wire method.

12.Explain in detail Riundness testiing machine.

UNIT-V    MEASUREMENT OF POWER,FLOW AND TEMPERATURE

 (Part B -16 Marks- questions) 

1.Discuss the  applications  of pneumatic  comparator.   

2.Explain, with a sketch, the construction and working of Solex Pneumatic Comparator.

3.Explain   with    a   neat    sketch     the   construction  and    of  working   Sigma  compators. 

4.Describe   the  following  in  connection  with  pressure    measurement :

 (i) Piezo-electric   pressure  transducer.     (ii) Variable  capacitance   transducer.

5.Describe   with  neat   sketches:

(i) Thermocouples.          (ii) Strain   gauge   torque   meter.

6.Explain    how     the     Pneumatic     comparator    works     and     briefly enumerate   the   advantages   of Differential   Pneumatic   Comparator.

7.(i)Explain  the construction   and  working   of a Venturimeter.  

(ii)Explain  the construction and  working  of a Rotometer.

8.With  a neat  sketch explain how   bimetallic  strips  are  used  for temperature  measurements.

9.Explain the working  and  purpose  of    electrical  resistance thermisters.

10.Explain the principle of operation of Bourdon tube pressure gauge.

11.Explain the working of a rotameter with a neat sketch.

12.Discuss the operation of a pneumatic comparator.

Prepare well these 20 questions you should score more than 25 marks out of 32 marks in Part B questions.

The Part B questions of Unit 1 and 2 important 16 mark questions  are given.

Copy and paste the following link.

http://annaunivstudymaterials.blogspot.com/2015/12/me6504-metrology-and-measurements.html

ME2041 Advanced IC engines university questions

This post covers the Semester question of ME2041-Advanced IC Engines asked by the Anna University during May/June 2013. This is one of the elective subject for Mechanical Engineering students whom were pursuing final year 8th semester.Take this for your reference how the questions (Question Pattern) are asked for the Anna university examinations. 

B.E    DEGREE  EXAMINATION MAY/JUNE 2013

Regulation 2008

Eighth Semester

Mechanical Engineering

ME2041-Advanced IC Engines

Time : Three hours                                     Maximum : 100 marks                                                                             

Answer ALL questions

PART A  (10X2= 20 marks)

1.    What is a heterogeneous air-fuel mixture? In which engine is it used?

2.    Sketch T-Head type combustion chamber used in S.I engines.

3.    Mention any two advantages of induction swirl.

4.    What is an indirect-injection type combustion chamber.

5.    Why smoke is formed in a CI engine?

6.    State the significance of stoichiometric air-fuel mixture.

7.    State the methods by which ethanol is produced.

8.    Comment on the water tolerance of alcohol blends.

9.    What is the working principle of prechamber stratified charge engine?

10.    Mention the advantages of plasma ignition system.

PART B   (5X16=80 marks)

11.  (a)  (i)  Explain the stages of combustion in SI engines elaborating the flame front

propagation.	(10)
(ii) Explain briefly the various factors that influence the flame speed in S.I.
engines.	(6)

                        Or

(b) Describe the requirements of an S.I engine combustion chamber and explain the various types of combustion chamber.(16)

12. (a) With the aid of a schematic diagram , explain the combustion process in a C.I engine. (16)

Or

(b) Explain the factors affecting the delay period in C.I engines and summarize them.(16)

13.  (a)  (i)	Specify the main emissions from a multi-cylinder passenger car C.I
engine. How is the air-fuel ratio controlled so as to reduce emissions?		(10)
(ii)	What is a driving cycle? Discuss its significance with regard to
emissions.		(6)
	Or
(b)  (i)	Explain the functioning of three way catalytic converter , with a sketch.
Mention the limitations of a catalytic converter.		(12)

(ii)     What are the methods to reduce particulate matter emissions? (4)

14.    (a) Compare the properties of gasoline , methanol and ethanol as engine fuels and explain how they influence combustion and emissions?(16)

Or

(b) Discuss the change in properties of alcohol-petrol blends and their effect on the performance of the engine.(16)

15.  (a)  (i)	Describe with a sketches how a CI engine can be controlled
electronically.		(12)
(ii)	What is stratified charge? Give its significance.	(4)
	Or
(b)  (i)	Describe the features of homogenous charge compression ignition engine
and common rail direct injection engine with neat sketches.		(6 + 6)
(ii)	Briefly discuss about the necessity of pressure pick , charge amplifier in
an IC engine.		(4)

For more Mechanical Engineering subjects lecture notes, Question Bank, University Questions were uploaded in annaunivstudymaterials.blogspot.com