Heating And Welding MCQ Questions & Answers | Electrical Engineering

A. Tungsten

B. Graphite

C. Silver

D. Copper

A. As an insulator

B. As a device for power factor improvement

C. For dielectric heating

D. For induction heating

A. Oxidizing

B. Deoxidizing

C. Reducing

D. Neutral

A. Coreless transformers

B. Current transformers

C. Motor-generator set

D. Multiphase transformer

A. Optical pyrometer

B. Mercury thermometer

C. Alcohol thermometer

D. Any of the above

A. Annealing of metals

B. Melting of ferrous metals

C. Heating of liquids in electric kettle

D. Drying of paints and varnishes

A. Heat treatment of castings

B. Heating of insulators

C. Melting aluminium

D. None of the above

A. Insulating materials

B. Conducting materials which are magnetic

C. Conducting materials which are nonmagnetic

D. Conducting materials which may or may not be magnetic

A. bad, good

B. bad, bad

C. good, bad

D. good, good

A. Arc heating

B. Resistance heating

C. Induction heating

D. Dielectric heating