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 bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction The bottom and middle roll rotate in the same direction The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite 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 bottom and middle roll rotate in the same direction The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 4000°C to 5000°C 3000°C to 4000°C 6000°C to 7000°C 5000°C to 6000°C 4000°C to 5000°C 3000°C to 4000°C 6000°C to 7000°C 5000°C to 6000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 40°-50° 60°-70° 30°-40° 50°-60° 40°-50° 60°-70° 30°-40° 50°-60° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The adhesiveness is the property of sand due to which It evolves a great amount of steam and other gases It clings to the sides of a moulding box The sand grains stick together None of these It evolves a great amount of steam and other gases It clings to the sides of a moulding box The sand grains stick together None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When a pattern is made in three parts, the ________ is known as a drag. Top part None of these Middle part Bottom part Top part None of these Middle part Bottom part ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cold working of metal increases Tensile strength All of these Hardness Yield strength Tensile strength All of these Hardness Yield strength ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS