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Which one of the following NDT techniques CANNOT be used to detect an internal crack in a steel shaft? (-Gate metallurgical engineering 2014)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 AnswerWhat is the theoretical requirement of air (in m3 at STP) for the complete combustion of 100 m3 (at STP) of a fuel consisting of pure CH4? Assume that air contains 21 vol.% of oxygen. _____. (-Gate metallurgical engineering 2014)1 AnswerA body starts yielding when it is subjected to a stress state with principal stresses of 250 MPa, 50 MPa and â50 MPa. What is the yield strength of the material, in MPa, if Tresca yield criterion is obeyed? (-Gate metallurgical engineering 2014)1 AnswerIf all the elements of one row of a 3 Ã 3 matrix are multiplied by 3, the determinant of the matrix changes by a factor of _____. (-Gate metallurgical engineering 2014)1 AnswerA motor is driving a solid circular steel shaft transmits 40kW of power at 500 rpm. If the diameter of the shaft is 40 mm, The maximum shear stress in the shaft is ____ MPa. 1 AnswerA spherical pressure vessel (made of mild steel) of internal diameter 500 mm and thickness 10 mm is subjected to an internal gauge pressure of 4000 kPa. If the yield stress of mild steel is 200 MPa, the factor of safety (up to one decimal place) is ______0 AnswerA hollow circular shaft of inner radius 10 mm, outer radius 20 mm and length 1 m is to be used as a torsional spring. If the shear modulus of the material of the shaft is 150 GPa, the torsional stiffness of the shaft (in kN-m/rad) is ________ (correct to two decimal places).1 AnswerB ottom shaft of a shuttle loom, weaving 2 up 1 down twill weave, is rotating at 90 rpm. The speed of cam shaft (in rpm) is ____________1 AnswerT he terminal velocity (đŖ) of a spherical inclusion of diameter D = 50 micrometers rising in liquid steel is __________ (in mm sī1 to two decimal places)0 AnswerA set of standard stainless steel pipes, each of internal diameter 26.65 mm and 6000 mm length, is used to make a plug flow reactor by joining them in series to carry out degradation of polyethylene. Seven such pipes are required to obtain a conversion of 66% at 450 K. The minimum number of standard 8000 mm long pipes of the same internal diameter to be procured for obtaining at least 66% conversion under the same reaction conditions is ___________.0 AnswerWhich one of the following plots relating shear stress with strain rate represents Newtonian behaviour of a fluid? (-Gate metallurgical engineering 2014)1 AnswerWhich one of the following minerals is a source of titanium? (-Gate metallurgical engineering 2014)1 AnswerThe respective units for dislocation density and stress intensity factor are: (-Gate metallurgical engineering 2014)1 AnswerWhich one of the following is NOT an intensive property? (-Gate metallurgical engineering 2014)1 AnswerWhich one of the following metal forming processes is the earing defect associated with? (-Gate metallurgical engineering 2014)1 AnswerIdentify the type of the following invariant reaction: liquid 1 + solid 1 â solid 2 (-Gate metallurgical engineering 2014)1 AnswerWhich one of the following refers to the ability of a material to absorb energy when deformed elastically? (-GATE metallurgical engineering 2014)1 AnswerIn the trapezoidal rule for numerical integration of a function, the nature of approximation used for the function in each interval is: (-Gate metallurgical engineering 2014)1 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 Answer
Gate Metallurgical Engineering 2014 GATE- Metallurgical Engineering- 2013EC - Electronics and Communication EngineeringCE - Civil Engineering EE - Electrical EngineeringME - Mechanical EngineeringENGINEERING CHEMISTRY II GATE-Instrumentation-Engineering-2014Gate Computer Science Engineering question paper 2014Gate Mechanical Engineering 2014 question paper