Workshop Technology The welding set up is said to have straight polarity, when Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the negative terminal and the electrode holder to the positive terminal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The algebraic difference between the minimum limit and the basic size is called Upper deviation Fundamental deviation Lower deviation Actual deviation Upper deviation Fundamental deviation Lower deviation Actual deviation ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Hot piercing Extrusion Cold heading Cold peening Hot piercing Extrusion Cold heading Cold peening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used. Sand slinger Jolt machine Stripper plate machine Squeezing machine Sand slinger Jolt machine Stripper plate machine Squeezing machine 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 The bottom and middle roll rotate in the same 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 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 Any one of the above The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained. Oxidizing None of the listed here Neutral Carburising Oxidizing None of the listed here Neutral Carburising ANSWER DOWNLOAD EXAMIANS APP
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