Workshop Technology A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct? The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction The bottom and middle roll rotate in the same direction Any one of the above The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction The bottom and middle roll rotate in the same direction Any one of the above The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding rod and the work is ___ as compared to forehand welding. More Less None of the listed here Same More Less None of the listed here Same ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Both (A) and (B) Reversed polarity None of these Straight polarity Both (A) and (B) Reversed polarity None of these Straight polarity ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The adhesiveness is the property of sand due to which None of these It evolves a great amount of steam and other gases The sand grains stick together It clings to the sides of a moulding box None of these It evolves a great amount of steam and other gases The sand grains stick together It clings to the sides of a moulding box ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to get uniform thickness of the plate by rolling process, one provides Hardening of the rolls Antifriction bearings Offset on the rolls Camber on the rolls Hardening of the rolls Antifriction bearings Offset on the rolls Camber on the rolls ANSWER DOWNLOAD EXAMIANS APP
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