Workshop Technology In a four high rolling mill, there are four rolls out of which Three are working rolls and one is backing up roll All of the four are working rolls Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls Three are working rolls and one is backing up roll All of the four are working rolls Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A two high rolling mill consists of two rolls which rotate At different speeds and in the opposite direction At different speeds and in the same direction At the same speed and in the same direction At the same speed but in opposite direction At different speeds and in the opposite direction At different speeds and in the same direction At the same speed and in the same direction At the same speed but in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 6000°C to 7000°C 3000°C to 4000°C 4000°C to 5000°C 5000°C to 6000°C 6000°C to 7000°C 3000°C to 4000°C 4000°C to 5000°C 5000°C to 6000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as Coining Drawing Squeezing Planishing Coining Drawing Squeezing Planishing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to get uniform thickness of the plate by rolling process, one provides Offset on the rolls Antifriction bearings Hardening of the rolls Camber on the rolls Offset on the rolls Antifriction bearings Hardening of the rolls Camber on the rolls ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The directional solidification in casting can be improved by using Chills, chaplets and padding Chills and chaplets Chaplets and padding Chills and padding Chills, chaplets and padding Chills and chaplets Chaplets and padding Chills and padding ANSWER DOWNLOAD EXAMIANS APP
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