Engineering :: Production Engineering

@ : Home > Mechanical Engineering > Production Engineering

421.

Joggled welded joints are used

A.	For heavy loading where the upper surface of both pieces must be in the same plane	B.	For light loading where the upper surface of both pieces must be in contact
C.	For jobs subjected to fatigue stresses	D.	For joining two dissimilar metals
E.	For joining two materials of different thicknesses

422.

During arc welding eyes need to be protected against

A.	Intense glare	B.	Microwaves
C.	High frequency waves	D.	Infrared and ultraviolet rays
E.	X-rays and gamma rays

423.

For welding of non-ferrous materials which of the following is preferred?

A.	Direct current	B.	Low frequency ac
C.	High frequency ac	D.	Microwave frequency voltage
E.	Induction heating

424.

In gas welding the maximum flame temperature occurs at

425.

During arc welding the welding speed is too low, it is likely to result in

A.	Excessive pilling up of weld metal	B.	Overlapping without penetration edges
C.	Wastage of electrode material	D.	All of the above
E.	None of the above

426.

The welding of steel structures on the site of a building is done by

427.

In which of the following welding process the transfer of metal from the electrode occurs due to molecular attraction?

428.

In which of the following process the electrode is not consumed?

429.

Filler metal is essentially used in which of the following welding process?

430.

In which of the following welding process, flux is used in the form of granules?