Magnetic permeability of iron is increased by its_____________________?

Related Mcqs:

Filler material used in welding should have _________________ as compared to the parent metal to be welded ?

A. Lower melting temperature B. Same melting temperature C. Same composition D. Both ‘B’ & ‘C’...

Babbitt lining is used on brass/bronze bearings to increase the____________________?

A. Antifriction properties B. Compressive strength C. Bearing resistance D. Wear resistance...

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will____________________?

A. Increase B. Decrease C. Remain unaffected D. May increase or decrease; depends on the thickness of each layer...

The material used for coating the welding electrode is termed as the___________________?

A. Flux B. Slag C. Protective layer D. Binder...

Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines ?

A. Air filter B. Fuel injector C. Exhaust silencer D. Battery...