Question 51. An automobile plant contracted to buy shock absorbers from two suppliers X and Y. X supplies
60% and Y supplies 40% of the shock absorbers. All shock absorbers are subjected to a quality test.
The ones that pass the quality test are considered reliable. Of X's shock absorbers, 96% are reliable.
Of Y's shock absorbers, 72% are reliable. The probability that a randomly chosen shock absorber, which is found to be reliable, is made by Y
is

Question 52. Wanted Temporary, Part-time persons for the post of Field Interviewer to conduct personal
interviews to collect and collate economic data. Requirements: High School-pass, must be
available for Day, Evening and Saturday work. Transportation paid, expenses reimbursed. Which one of the following is the best inference from the above advertisement?

Question 53. A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies
to a height of 25 mm. The percentage change in diameter is

Question 54. Match the following metal forming processes with their associated stresses in the workpiece.Metal forming process   Type of stress1. Coining                             P. Tensile2. Wire Drawing                  Q. Shear3. Blanking                           R. Tensile and compressive4. Deep Drawing                 S. Compressive

Question 55. A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a
cutter of 10 mm diameter between points (0, 0) and (100, 100) on the XY plane (dimensions in mm).
The feed rate used for milling is 50 mm/min. Milling time for the slot (in seconds) is

Question 56. During normalizing process of steel, the specimen is heated

Question 57. A process needs to be standardized for method and time. Which one of the following represents the
sequence of work study experiments?

Question 58. x + 2y + z = 4 2x + y + 2z = 5 x - y + z = 1 The system of algebraic equations given above has

Question 59. Reduction in the variability of manufactured product characteristics will definitely result in
observations close to

Question 60. Which one of the following is NOT a decision taken during the aggregate production planning
stage?