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GATE Practice Papers |

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Re: GATE Practice Papers
Here is the list of few questions of GATE Production and Industrial Engineering entrance exam question paper which you are looking for . Question 1 The fixed cost and the variable cost of production of a product are Rs. 20000 and Rs. 50 per unit, respectively. The demand for the item is 500 units. To break even, the unit price of the items in Rs. should be A 50 B 75 C 90 D 100 Question 2 Therbligs refer to the A basic types of fixtures used in machining. B fundamental motions used in manual work. C basic types of waste in manufacturing process. D fundamental types of material handling systems. Question 3 Customers arrive at a ticket counter at a rate of 50 per hr and tickets are issued in the order of their arrival. The average time taken for issuing a ticket is 1 min. Assuming that customer arrivals form aPoisson process and service times are exponentially distributed, the average waiting time in queue in min is A 3 B 4 C 5 D 6 Question 4 Circular blanks of 10 mm diameter are punched from an aluminum sheet of 2 mm thickness. The shear strength of aluminum is 80 MPa. The minimum punching force required in kN is A 2.57 B 3.29 C 5.03 D 6.33 Question 5 A metric thread of pitch 2 mm and thread angle 60° is inspected for its pitch diameter using 3-wire method. The diameter of the best size wire in mm is A 0.866 B 1.000 C 1.154 D 2.000 Question 6 In a rolling process, the state of stress of the material undergoing deformation is A pure compression B pure shear C compression and shear D tension and shear Question 7 A planar closed kinematic chain is formed with rigid links PQ = 2.0 m, QR = 3.0 m, RS = 2.5 m and SP = 2.7 m with all revolute joints. The link to be fixed to obtain a double rocker (rockerrocker) mechanism is A PQ B QR C RS D SP Question 8 The eigenvalues of a symmetric matrix are all(A)(B)(C)(D) Ans. CA complex with non-zero positive imaginary part B complex with non-zero negative imaginary part C real D pure imaginary Question 9 Match the CORRECT pairs.Numerical Integration Scheme Order of Fitting PolynomialP. Simpson’s 3/8 Rule 1. FirstQ. Trapezoidal Rule 2. SecondR. Simpson’s 1/3 Rule 3. Third A P-2, Q-1, R-3 B P-3, Q-2, R-1 C P-1, Q-2, R-3 D P-3, Q-1, R-2 Question 10 For a ductile material, toughness is a measure of A resistance to scratching B ability to absorb energy upto fracture C ability to absorb energy till elastic limit D resistance to indentation Question 11 A cube shaped casting solidifies in 5 min. The solidification time in min for a cube of the same material, which is 8 times heavier than the original casting, will be A 10 B 20 C 24 D All of these. Question 12 A steel bar 200 mm in diameter is turned at a feed of 0.25 mm/rev with a depth of cut of 4 mm. The rotational speed of the workpiece is 160 rpm. The material removal rate in mm3/s is A 160 B 167.6 C 1600 D 1675.5 Question 13 In the 3-2-1 principle of fixture design, 3 refers to the number of A clamps required B locators on the primary datum face C degrees of freedom of the workpiece D operations carried out on the primary datum face Question 14 In simple exponential smoothing forecasting, to give higher weightage to recent demand information, the smoothing constant must be close to A -1 B zero C 0.5 D 1 Question 15 A company manufactures 1000 toys every day. On an average, 10% of the toys are defective and 40% of the defective toys can be reworked into defect-free ones. The average number of defect-free toys manufactured daily is A 900 B 920 C 940 D 960 Question 16 The type of control chart used to monitor the amount of dispersion in a sample is A c-chart B p-chart C x -chart D R-chart Question 17 Which one of the following is modeled based on adaptation capabilities of biological systems? A Relational database B Fuzzy system C Simulated annealing algorithm D Genetic algorithm Question 18 A manufacturer produces bars designed to be of 10 mm diameter with a tolerance of ±0.1 mm. Historical data indicates that manufactured bars have an average diameter of 9.98 mm with a standard deviation of 0.15 mm. The process capability index is A 0.08 B 0.12 C 0.18 D 0.27 Question 19 During the electrochemical machining (ECM) of iron (atomic weight = 56, valency = 2) at current of 1000 A with 90% current efficiency, the material removal rate was observed to be 0.26 gm/s. If Titanium (atomic weight = 48, valency = 3) is machined by the ECM process at the current of 2000 A with 90% current efficiency, the expected material removal rate in gm/s will be A 0.11 B 0.23 C 0.30 D 0.52 Question 20 A flywheel connected to a punching machine has to supply energy of 400 Nm while running at a mean angular speed of 20 rad/s. If the total fluctuation of speed is not to exceed ±2%, the mass moment of inertia of the flywheel in kg-m2 is A 25 B 50 C 100 D 125 Question 21 In a CAD package, mirror image of a 2D point P (5,10) is to be obtained about a line which passes through the origin and makes an angle of 45° counterclockwise with the X-axis. The coordinates of the transformed point will be A (7.5, 5) B (10, 5) C (7.5, -5) D (10, -5) Question 22 In a CAD package, mirror image of a 2D point P (5,10) is to be obtained about a line which passes through the origin and makes an angle of 45° counterclockwise with the X-axis. The coordinates of the transformed point will be A (7.5, 5) B (10, 5) C (7.5, -5) D (10, -5) Question 23 In a CAD package, mirror image of a 2D point P (5,10) is to be obtained about a line which passes through the origin and makes an angle of 45° counterclockwise with the X-axis. The coordinates of the transformed point will be A (7.5, 5) B (10, 5) C (7.5, -5) D (10, -5) Question 24 In water jet machining, the water jet is issued through a 0.3 mm diameter orifice at a pressure of 400 MPa. The density of water is 1000 kg/m3. The coefficient of discharge is 1.0. Neglecting all losses during water jet formation through the orifice, the power of the water jet in kW is A 25.3 B 50.6 C 75.9 D 101.2
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