Manufacturing And Production Technology
Cold working of steel is defined as working

Above its recrystallisation temperature
Below its recrystallisation temperature
At two thirds of the melting temperature of the metal
At its recrystallisation temperature

ANSWER DOWNLOAD EXAMIANS APP

Manufacturing And Production Technology
The snag grinding is done

To grind exterior cylindrical surfaces
Any one of the above
To produce good surface finish and high degree of accuracy
To remove considerable amount of metal without regard to accuracy of the finished surface

ANSWER DOWNLOAD EXAMIANS APP

Manufacturing And Production Technology
Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm on 1.6 mm thick mild steel tube. Welding cycle consists of 3 cycles ‘on’ and 2 cycles ‘off’ Power supply is at 50 Hz. Calculate R.P.M. and energy requirement of the above circular electrodes assuming effective resistance between electrodes as 100 ohm.

22 rpm, 600 joules
6.8 rpm, 6 joules
5.03 rpm, 600 joules
2.17 rpm, 600 joules

ANSWER DOWNLOAD EXAMIANS APP

Manufacturing And Production Technology
Which of the following statement is correct for orthogonal cutting system?

The cutting edge clears the width of the workpiece on either ends
All of these
The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge
The cutting edge of the tool is perpendicular to the direction of tool travel

ANSWER DOWNLOAD EXAMIANS APP