Q.55 A specimen has a modulus of rigidity of 48 MPa and Young’s Modulus of 120 MPa. The Poisson’s ratio of the material isAns 1. 1/2.52. 1/23. 1/34. 1/4Correct Ans Provided: 4
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Q.51 The Transmissibility of a vibrating system, for the values of (ω/ωn) >√2, will beAns 1. Greater than one2. Less than one3. zero4. Equal to oneCorrect Ans Provided: 2
Q.42 A bar is subjected to axial stress of σx. An oblique plane makes an angle θ with the direction of stress applied. The normal stress σθ on this plane is given byAns 1.2. ...
Q.46Ans 1. 52. 503. 0.24. 2Correct Ans Provided: 1
Q.58 The aluminium alloy part for a Petrol engine carburettor is manufactured byAns 1. Sand casting2. Die casting3. Shell casting4. Centrifugal castingCorrect Ans Provided: 2
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. ...
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
