Q. The pair of natural fibres, belonging to the category of seed fibre, is              (A) Cotton and Sisal                      ...

Q. Acrylic fibre is made from at least 85% by weight of (A) Acrylic acid (B) Acrylonitrile (C) Acrylamide (D) Methyl methacrylate Ans: Acrylonitrile

Q. For 𝑥 in , the maximum value of (sin 𝑥 + cos 𝑥) is Ans: Option C

Q. The layout for an AGV system is shown in figure. The loading time is 0.5 minutes and the unloading time is also 0.5 minutes. All distances are in meters. Considering a vehicle velocity of 50 m/min, availability of 0.95 and traffic factor of       0.9,      the         number of ...

Q. The sales data of a product for 5 years are   Year  2014  2015  2016  2017  2018  Sales (units)280268259270287Assume the forecast for the year 2014 as 260 units. Using an exponential smoothing method with smoothing constant α = 0.5, the sales forecast ...

Q. A PERT project network consists of 5 activities A to E. The time estimates of these activities follow Beta-distribution. The predecessor–successor (P-S) relationships between the nodes and time estimates of activities are given in table ActivityP-SOptimistic time (days)Most likely time ...

Q. A monitoring system has seven components. The reliability of each component is shown in the figure. The system reliability is  ___________(round off to 2 decimal places) Ans: 0.16-0.18 Sol: Rs = R1 × Rs3 × R7 Rs = 0.5 × 0.87 × 0.4 = 0.174

Q. A process which is in a state of statistical control (within ± 3s ) has an estimate of standard deviation (s) 2 mm. The specification limits for the corresponding product are 120 ± 8 mm. When process mean shifts from 118 mm to 122 mm with no change in process standard deviation, the difference ...

Q. A CO2 laser in continuous mode is used for drilling a plate. The process parameters and their values are Laser power intensity1×108 W/mm2Vaporization energy5×106 J/mm3Efficiency of the process15 %Laser spot diameter200 micrometer Ans: 6 Sol:

Q. During a turning operation of a specific work material having shear strength of 220 MPa under orthogonal cutting condition, the process parameters are Feed0.2 mm/revDepth of cut1 mmRake angle– 5˚ Given chip thickness ratio as 0.5, friction angle as 49.2˚ and shear angle as 25.4˚, the feed ...