Gate 2015 mechanical

SMAW:Shielded metal arc welding ,an arc welding process where is coalescence is produced by heating with an arc b/w the metal electrodes and workpiece.shielded is accompained by decomposition of electrode coating.the coating on the electrode burns along on the metal of electrode and produce a dense smoke which shield the weld pool

Forging:-the process by which metal is heated and shaped by plastic deformation by suitably applying compressive force

Qno.4):-A Multiple disc clutch is also sometimes used as. A)flywheel b)brake c)gear d)all of these

QNO.3):- which of the following is an inversion of single slider crank mechanism? A)whitworth quick return motion mechanism b)beam engine. C)watt's indicator mechanism. Choose the correct one

QNO.2) Casting process is preferred for parts having a).a few details b)many details c)no details d)non.symmetrical shape. . . . . . . Choose correct one . . Qno.1 ans. (a

Qno.1)in a clock mechanism the gear train used to connect minute hand to hour hand, is a)reverted grain train. B)epicyclic gear train c)compound gear train . . . Choose the right option.

kelvin plank's law deals with a)conversion of heat into work. b)conversion of work into heat. C)conversion of work

Verbal ability).. . Use of 'A' in exclamatory expressions before singular countable nouns . . . E.g what a pretty girl !

Q.a streamline and an equipotential line in a flow field a)are identical. B)are parallel. C)are perpendicular

the method to maintain the speed of the turbine constant irrespective of variation of load on the turbine is called Governing of steam turbine.various method of governing the steam turbine are.. Throttle governing,nozzle control governing,bypass governing and their combination

forging of steel is done at a temperature of . A)400'c b)1000'c c)1200'c d)860'c

choose word nearly same in meaning.. tarry a)polish b)restrain c)surpass d)linger