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During normalizing process of steel, the specimen is heated -Mechanical Engineering-gate-20121 AnswerA tensile specimen was deformed to a true strain of 0.405. The change in the gauge length was 5 mm. The final gauge length of the specimen, in mm, is: (-Gate metallurgical engineering 2014)1 AnswerThe real root of the equation 5x − 2cosx −1 = 0 (up to two decimal accuracy) is ____. (Gate mechanical engineering 2014)1 AnswerIn a steel plate with bolted connections, the rupture of the net section is a mode of failure under -Civil Engineering-gate-20121 AnswerThe contents of a well-insulated tank are heated by a resistor of 23Ω in which 10A current is flowing. -gate-mechanical-20111 AnswerA diesel engine has a compression ratio of 17 and cut-off take place at 10% of the stroke. Assuming ratio of specific heats ( γ ) as 1.4, the air-standard efficiency (in percent) is______. (Gate mechanical engineering 2014)1 AnswerIf AIV for specimen A is 25 and that for specimen B is 45 Which one is better for surface of a pavement Justify it?1 AnswerExplain the process of combustion of fuel with the help of chemical equations.1 AnswerA steel rod was subjected to a fluctuating stress cycle that varied between a maximum of 400 MPa in tension to a minimum of 300 MPa in compression. What is the stress amplitude, in MPa?______. (-Gate metallurgical engineering 2014)1 AnswerA 0.2 wt.% plain carbon steel sheet is heated and equilibrated in the inter-critical region followed by instant water quenching. The microstructure of the quenched steel sheet consists of, GATE- Metallurgical Engineering- 2013 1 AnswerThe process utilizing mainly thermal energy for removing material is: (Gate mechanical engineering 2014)1 AnswerWhat is soldering? Classify soldering process.1 AnswerGiven the sequence of terms, AD CG FK JP, the next term is -Mechanical Engineering-gate-20121 AnswerWhich one of the following signals from a specimen is used in a scanning electron microscope to get quantitative elemental analysis? (-Gate metallurgical engineering 2014)1 AnswerWhich one of the following options is the closest in meaning to the word given below? -Mechanical Engineering-gate-20121 AnswerThe percent voids in mineral aggreg ate (VMA) and percent air voids (V v ) in a compacted cylindrical bituminous mix specimen are 15 and 4. 5respectively. The percent voids filled with bitumen (VFB) for this specimen is:1 AnswerIf a mass of moist air in an airtight vessel is heated to a higher temperature, then -gate-mechanical-20111 AnswerWhich one of the following is NOT a decision taken during the aggregate production planning stage? -Mechanical Engineering-gate-20121 AnswerA sonometer wire of length 1.5 m is made of steel. The tension in it produce an elastic strain of 1%. What is the fundamental frequency of steel if density and elasticity of steel are 7.7 × 103 kg / m3 and 2.2 × 1011 N/m2 respectively ? - physics 20131 AnswerA single–point cutting tool with 12 degree rake angle is used to machine a steel work– piece. -gate-mechanical-20111 Answer
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