Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Both (A) and (B) Reversed polarity Straight polarity None of these Both (A) and (B) Reversed polarity Straight polarity None of these 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? Any one of the above 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 The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction Any one of the above 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 The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The algebraic difference between the minimum limit and the basic size is called Lower deviation Actual deviation Upper deviation Fundamental deviation Lower deviation Actual deviation Upper deviation Fundamental deviation ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The current in electric resistance welding can be regulated by Any one of the listed here Changing the secondary turns of the transformer Varying the input supply Changing the primary turns of the transformer Any one of the listed here Changing the secondary turns of the transformer Varying the input supply Changing the primary turns of the transformer ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which results in general enlargement of a casting is known as Shift Scab Sand wash Swell Shift Scab Sand wash Swell ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness less than 5 mm, its edges Do not require bevelling Should have a double-V or U-groove on both sides Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on one side Do not require bevelling Should have a double-V or U-groove on both sides Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on one side ANSWER DOWNLOAD EXAMIANS APP
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