Workshop Technology
Swab is used for

Smoothing and cleaning out depressions in the mould
Reinforcement of sand in the top part of the moulding box
Moistening the sand around the edge before removing pattern
Cleaning the moulding sand

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
The welding set up is said to have straight polarity, when

Work is connected to the negative 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 positive 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
Linde welding uses

Oxidizing flame and leftward technique
Carburising flame and rightward technique
Neutral flame and rightward technique
Neutral flame and leftward technique

ANSWER DOWNLOAD EXAMIANS APP