One Stop GATE Forum: 1998- year ME GATE Paper

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1.   The magnitude of the gradient of the function (fxy)=3  at  1,0, 2 is:  
  (a)  0  (b)  3  (c)  8  (d) 8 

2.  The probability that two friends share the same birth-month is: 
    (a)   6
    (b)  12
    (c)  144
    (d)  24

 3.  A car moving  with uniform acceleration covers 450 m in a 5 second interval, and covers 700 m in the next 5 second interval. The acceleration of the car is: 
  (a)  7 m/s2  (b)  50 m/s2  (c)  25 m/s2   (d) 10 m/s2 

4.  The  buckling  load  for  a  column  pinned  at  both  ends  is  10  kN.  If  the  ends  are fixed, the buckling load changes to 
  (a)  40 kN  (b)  2.5 kN  (c)  5 kN  (d) 20 k N 

5.  The normal stresses at a point are  10 MPa
s = the shear stress 
s =  and,  2 MPa;
xy at this point is 4 MPa. The maximum principal stress at this point is: 
  (a)  16 MPa  (b)  14 MPa  (c)  11 MPa  (d) 10 MPa 

6.  The  ratio of average shear  stress to the maximum shear stress in  a beam  with a 
square cross-section is: 
  (a)  1  (b)  2    (c)  3   (d) 4

7.  Heat  transfer  coefficient for  free  convection  in  gases, forced  convection  in  gases 
and vapours, and for boiling water lie, respectively in the ranges of 
  (a)  5 œ 15, 20 œ 200 and 3000 œ 50,000 W/m2K.   
 (b)  20 œ 50, 200 œ 500 and 50,000 œ 105 W/m2K.   
 (c)  50 œ 100, 500 œ 1000 and 105 œ 106 W/m2K.   
 (d)  20 œ 100, 200 œ 1000, and a constant 106  W/m2K. 

8.  If  N V and  a  are  the  nozzle  exit  velocity and  nozzle  angle in an  impulse  turbine, 
the optimum blade velocity is given by 

  (a)  cos 2VN   (b)  sin2VN   (c)  cos3VN  (d) sin3VN

 9.   A  Curtis  stage,  Rateau  stage  and  a 50%  reaction  stage  in  a  steam  turbine  are 
examples of 
  (a)  different types of impulse stages       
 (b)  different types of reaction stages 
 (c)  a  simple  impulse  stage,  a  velocity  compounded  impulse  stage  and  reaction 
stage       
  (d)  a velocity compounded impulse stage, a simple impulse stage and a reaction 
stage 

10.  The basic load rating of a ball bearing is 
 (a)  the  maximum  static  radial  load  that  can  be  applied  without  causing  any 
plastic deformation of bearing component.   
  (b)  the  radial  load  at  which  90%  of  the  group  of  apparently  identical  bearings 
run for one million revolutions before the first evidence of failure.   
  (c)  the  maximum  radial  load  that  can  be  applied  during  operation  without  any 
plastic deformation of bearing components.   
  (d)  a  combination  of  radial  and  axial  loads  that  can  be  applied  without  any 
plastic deformation. 

11.  Decreasing grain size in a polycrystalline material   
 (a)  increases yield strength and corrosion resistance   
 (b)  decreases yield strength and corrosion resistance   
 (c)  decreases yield strength but increases corrosion resistance   
 (d)  increases yield strength but decreases corrosion resistance. 

12.  Auto collimator is used to check   
 (a)  roughness      (b)  flatness   
 (c)  angle      (d)  automobile balance 

13.  Failure of a bead weld between a heavy steel section and a thin section is mainly 
due to the formation of  
  (a)  spheroidite      (b)  bainite   
 (c)  carbon free zone due to burning of carbon at high temperature  
 (d)  martensite. 

14.  Ideal surface roughness, as  measured by  the maximum height of unevenness, is 
best achieved when the material is removed by 
  (a)  an end mill      (b)  a grinding wheel   
 (c)  a tool with zero nose radius  (d)  a ball mill 

15.  In the specification of dimensions and fits,  
 (a)  allowance is equal to bilateral tolerance      
 (b)  allowance is equal to unilateral tolerance 
 (c)  allowance is independent of tolerance       
 (d)  allowance  is  equal  to  the  difference  between  maximum  and  minimum 
dimension specified by the tolerance. 

16.  In machining using abrasive material, increasing abrasive grain size 
 (a)  increases the material removal rate   
 (b)  decreases the material removal rate   
 (c)  first decreases and then increases the material removal rate   
 (d)  first increases and then decreases the material removal rate 

17.  With increasing temperature of intake air, IC engine efficiency 
 (a)  decreases      (b)  increases 
 (c)  remains same      (d)  depends on other factors 

18.  Chills are used in moulds to 
 (a)  achieve directional solidification    
 (b)  reduce the possibility of blowholes 
 (c)  reduce freezing time       
 (d)  smoothen metal flow for reducing splatter. 

 19. One  of  the following  statements  about  PRS (Periodic  Reordering  System)  is  not 
true. Identify,   
  (a)  PRS requires continuous monitoring of inventory levels        
 (b)  PRS is useful in control of perishable items 
 (c)  PRS provides basis for adjustments to account for variations in demand 
 (d)  In  PRS,  inventory  holding  costs  are  higher  than  in  Fixed  Recorder  Quantity 
System 

20.  In  inventory planning,  extra  inventory  is  unnecessarily carried to  the  end  of  the 
planning period when using one of the following lot size decision policies: 
  (a)  Lot œ for œ lot production   
 (b)  Economic Order Quantity (EOQ) lot size  
 (c)  Period Order Quantity (POQ) lot size   
 (d)  Part Period total cost balancing 

21.  In  a weaving operation,  the parameter  to be  controlled is the number of defects 
per 10 square yards of material. Control chart appropriate for this task is 
  (a)  P - chart  (b)  C - chart  (c)  R - chart  (d)  X -Chart 

22.  Which  one  of  the  following  forecasting  techniques  is  not  suited  for  making 
forecasts for planning production schedules in the short range? 
  (a)  Moving average      (b)  Exponential moving average 
 (c)  Regression analysis    (d)  Delphi 

22.  The  best  fit  line  using  least  squares  for  the  data  (0,0),  (10,  24),  (20,  36)  and 
(30,60) is: 
  (a)  2x œ y = 0      (b)  2x œ y + 4 = 0 
 (c)  2x œ y œ 4 = 0      (d)  None of these 

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Smitha Newbie Joined: 08Feb2007 Online Status: Offline Posts: 14	Topic: 1998- year ME GATE Paper Posted: 14Feb2007 at 1:59pm
	1. The magnitude of the gradient of the function (fxy)=3 at 1,0, 2 is: (a) 0 (b) 3 (c) 8 (d) 8 2. The probability that two friends share the same birth-month is: (a) 6 (b) 12 (c) 144 (d) 24 3. A car moving with uniform acceleration covers 450 m in a 5 second interval, and covers 700 m in the next 5 second interval. The acceleration of the car is: (a) 7 m/s2 (b) 50 m/s2 (c) 25 m/s2 (d) 10 m/s2 4. The buckling load for a column pinned at both ends is 10 kN. If the ends are fixed, the buckling load changes to (a) 40 kN (b) 2.5 kN (c) 5 kN (d) 20 k N 5. The normal stresses at a point are 10 MPa s = the shear stress s = and, 2 MPa; xy at this point is 4 MPa. The maximum principal stress at this point is: (a) 16 MPa (b) 14 MPa (c) 11 MPa (d) 10 MPa 6. The ratio of average shear stress to the maximum shear stress in a beam with a square cross-section is: (a) 1 (b) 2 (c) 3 (d) 4 7. Heat transfer coefficient for free convection in gases, forced convection in gases and vapours, and for boiling water lie, respectively in the ranges of (a) 5 œ 15, 20 œ 200 and 3000 œ 50,000 W/m2K. (b) 20 œ 50, 200 œ 500 and 50,000 œ 105 W/m2K. (c) 50 œ 100, 500 œ 1000 and 105 œ 106 W/m2K. (d) 20 œ 100, 200 œ 1000, and a constant 106 W/m2K. 8. If N V and a are the nozzle exit velocity and nozzle angle in an impulse turbine, the optimum blade velocity is given by (a) cos 2VN (b) sin2VN (c) cos3VN (d) sin3VN 9. A Curtis stage, Rateau stage and a 50% reaction stage in a steam turbine are examples of (a) different types of impulse stages (b) different types of reaction stages (c) a simple impulse stage, a velocity compounded impulse stage and reaction stage (d) a velocity compounded impulse stage, a simple impulse stage and a reaction stage 10. The basic load rating of a ball bearing is (a) the maximum static radial load that can be applied without causing any plastic deformation of bearing component. (b) the radial load at which 90% of the group of apparently identical bearings run for one million revolutions before the first evidence of failure. (c) the maximum radial load that can be applied during operation without any plastic deformation of bearing components. (d) a combination of radial and axial loads that can be applied without any plastic deformation. 11. Decreasing grain size in a polycrystalline material (a) increases yield strength and corrosion resistance (b) decreases yield strength and corrosion resistance (c) decreases yield strength but increases corrosion resistance (d) increases yield strength but decreases corrosion resistance. 12. Auto collimator is used to check (a) roughness (b) flatness (c) angle (d) automobile balance 13. Failure of a bead weld between a heavy steel section and a thin section is mainly due to the formation of (a) spheroidite (b) bainite (c) carbon free zone due to burning of carbon at high temperature (d) martensite. 14. Ideal surface roughness, as measured by the maximum height of unevenness, is best achieved when the material is removed by (a) an end mill (b) a grinding wheel (c) a tool with zero nose radius (d) a ball mill 15. In the specification of dimensions and fits, (a) allowance is equal to bilateral tolerance (b) allowance is equal to unilateral tolerance (c) allowance is independent of tolerance (d) allowance is equal to the difference between maximum and minimum dimension specified by the tolerance. 16. In machining using abrasive material, increasing abrasive grain size (a) increases the material removal rate (b) decreases the material removal rate (c) first decreases and then increases the material removal rate (d) first increases and then decreases the material removal rate 17. With increasing temperature of intake air, IC engine efficiency (a) decreases (b) increases (c) remains same (d) depends on other factors 18. Chills are used in moulds to (a) achieve directional solidification (b) reduce the possibility of blowholes (c) reduce freezing time (d) smoothen metal flow for reducing splatter. 19. One of the following statements about PRS (Periodic Reordering System) is not true. Identify, (a) PRS requires continuous monitoring of inventory levels (b) PRS is useful in control of perishable items (c) PRS provides basis for adjustments to account for variations in demand (d) In PRS, inventory holding costs are higher than in Fixed Recorder Quantity System 20. In inventory planning, extra inventory is unnecessarily carried to the end of the planning period when using one of the following lot size decision policies: (a) Lot œ for œ lot production (b) Economic Order Quantity (EOQ) lot size (c) Period Order Quantity (POQ) lot size (d) Part Period total cost balancing 21. In a weaving operation, the parameter to be controlled is the number of defects per 10 square yards of material. Control chart appropriate for this task is (a) P - chart (b) C - chart (c) R - chart (d) X -Chart 22. Which one of the following forecasting techniques is not suited for making forecasts for planning production schedules in the short range? (a) Moving average (b) Exponential moving average (c) Regression analysis (d) Delphi 22. The best fit line using least squares for the data (0,0), (10, 24), (20, 36) and (30,60) is: (a) 2x œ y = 0 (b) 2x œ y + 4 = 0 (c) 2x œ y œ 4 = 0 (d) None of these Post Resume: Click here to Upload your Resume & Apply for Jobs

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