Q.39 A shaft 20 mm in diameter is supported in a bearing, carry a radial load of 2.0 kN. Assuming an allowable bearing pressure of 8 N/mm2, the length of the bearing isAns 1. 5π mm2. 12.5 mm3. ...
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Q.52 A reversible engine operates with source and sink temperatures of 127°C and 47 °C. The efficiency of the engine isAns 1. 80 %2. 64 %3. 20 %4. 37 %Correct Ans Provided: 3
Q.47 The Thermal Arrest; a part of the cooling curve for a casting known as “Thermal Arrest” isAns 1. Solidification of metal using latent heat of fusion2. Immediate cooling of sand mould3. Blocking of cooling of ...
Q.50 A cantilever beam of length L is loaded with a force F downward at its free end (x-=0). The shear force and bending Moment at the mid of the beam isAns 1. -F and -FL/22. -F ...
Q.41 A single-cylinder diesel engine has a compression ratio of 16. If the stroke volume during operation is 450 cc, then its clearance volume isAns 1. 32 cc2. 30 cc3. 28.125 cc4. 32.875 ccCorrect Ans Provided: 2
Q.43 Submerged arc welding, an automatic welding process uses AC current up toAns 1. 600 A2. 1000 A3. 800 A4. 2000 ACorrect Ans Provided: 4
Q.38 In crippling load equation for a column of length L, the equivalent length for a case of both the ends fixed isAns 1.2.3.4.
Q.48 In a unilateral system of tolerance, tolerance is allowed on which side?Ans 1. no side of the nominal size2. one side of the actual size3. both sides of the actual size4. one side of the nominal sizeCorrect ...
Q.49 The critical value of (Ux/v) for the linear boundary layer isAns 1.2.3.4.Note: For this question, discrepancy is found in question/answer. So, ...
Q.44 The two non-intersecting and non-parallel or non-coplanar shafts are connected by gearsAns 1. Spiral gears2. Bevel gears3. Herringbone gears4. Helical gearsCorrect Ans Provided: 1
