Workshop Technology A two high rolling mill consists of two rolls which rotate At different speeds and in the same direction At the same speed and in the same direction At different speeds and in the opposite direction At the same speed but in opposite direction At different speeds and in the same direction At the same speed and in the same direction At different speeds and in the opposite direction At the same speed but in opposite direction ANSWER DOWNLOAD EXAMIANS APP
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 Any one of the above 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 The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction Any one of the above 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thermit, used in Thermit welding, is a mixture of Charcoal and aluminium Charcoal, iron oxide and aluminium Iron oxide and aluminium Charcoal and iron oxide Charcoal and aluminium Charcoal, iron oxide and aluminium Iron oxide and aluminium Charcoal and iron oxide ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a hot chamber die casting machine Ferrous alloys with high melting temperature are casted Ferrous alloys with low melting temperature are casted Nonferrous alloys with low melting temperature are casted Nonferrous alloys with high melting temperature are casted Ferrous alloys with high melting temperature are casted Ferrous alloys with low melting temperature are casted Nonferrous alloys with low melting temperature are casted Nonferrous alloys with high melting temperature are casted ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The recrystallisation temperature of steel is 800°C None of these 600°C 400°C 800°C None of these 600°C 400°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be left unmachined is marked on the pattern by Yellow colour Red colour Black colour Blue colour Yellow colour Red colour Black colour Blue colour ANSWER DOWNLOAD EXAMIANS APP
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