Workshop Technology Green sand is a mixture of 70% sand and 30% clay 50% sand and 50% clay 90% sand and 10% clay 30% sand and 70% clay 70% sand and 30% clay 50% sand and 50% clay 90% sand and 10% clay 30% sand and 70% clay ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 30°-40° 60°-70° 50°-60° 40°-50° 30°-40° 60°-70° 50°-60° 40°-50° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature at which the new grains are formed in the metal is called Eutectic temperature Recrystallisation temperature Lower critical temperature Upper critical temperature Eutectic temperature Recrystallisation temperature Lower critical temperature Upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Tandem drawing of wires and tubes is necessary because Accuracy in dimensions is not possible otherwise Annealing is needed between stages It is not possible to reduce at one stage Surface finish improves after every drawing stage Accuracy in dimensions is not possible otherwise Annealing is needed between stages It is not possible to reduce at one stage Surface finish improves after every drawing stage ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The teeth of hacksaw blade are bent May be bent in any direction Towards right Alternately towards right and left and every third or fourth left straight Towards left May be bent in any direction Towards right Alternately towards right and left and every third or fourth left straight Towards left ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cores are used to Form a part of a green sand mould All of these Form internal cavities in the casting Improve mould surface Form a part of a green sand mould All of these Form internal cavities in the casting Improve mould surface ANSWER DOWNLOAD EXAMIANS APP
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