This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Sheet-Metal Forming – Stretch Forming”. 1. The washer for the mechanical joint is an example of which of the following process? a) Progressive forming b) Piercing c) Punching d) Blanking 2. The rubber hydroforming is the method to manufacture the rubber or … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Sheet-Metal Forming – Shearing and Blanking”. 1. The larger the periphery (circumference) of the bull block, the ___________ will be the wire drawing speed. a) smaller b) larger c) does not depends on the circumference d) depends on the direction of rotation … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Rods and Wire Drawing”. 1. The blades for table fan is made by which of the following process? a) Forging b) Stamping and pressing c) Casting d) Rolling 2. The seamless tube is manufactured by which of the following method? a) Casting … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Extrusion of Tubing”. 1. For a metal which is prone to hot shortness like aluminium and copper, the extrusion speed has to be _______ a) high b) low c) moderate d) doesn’t matter 2. Decreasing the die angle __________ the homogeneity of … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Cold Extrusion and Cold-Forming”. 1. If the effective flow stress for extrusion is 100 MPa and the extrusion ratio is 4, then find the ideal extrusion pressure for the process? a) 150.5 MPa b) 170.5 MPa c) 138.6 MPa d) 257.2 MPa … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Deformation, Lubrication and Defects in Extrusion”. 1. The maximum possible reduction in the cross-section area of the wire in a single pass of cable in case of ideal plastic material is equal to ________ a) 50% b) 63% c) 74% d) 68% … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Extrusion Equipments”. 1. In the forward extrusion process, the speed of the extruded product is __________ the speed of the ram. a) lower than b) greater than c) same as d) depends upon the material softness 2. In the indirect extrusion process, … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Metals – Torque and Power”. 1. The neutral point in the rolling machine is defined as the point where ________ a) the material enters the machine b) the material exits the machine c) the roll speed is equal to the material flow … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Metals – Problem and Defects in Rolled Products”. 1. The significant advantage of using smaller rolls in the machine is that __________ a) maximum possible reduction increases b) power consumption reduces c) the surface finish of the rolled product improves d) the … Read more
This set of Mechanical Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Metals – Hot Rolling”. 1. A roll diameter of 300 mm has a maximum possible reduction of 3 mm, find the angle of bite for the process? a) 10.25 b) 5.71 c) 18.32 d) 89.25 2. If the thick slab needs to … Read more
