- (A) Where lubrication is difficult or im-possible
- (B) Where corrosive chemical action exists
- (C) Where high temperature exists
- (D) All of the above
Electrical Engineering Mcqs
- (A) Aluminium is more ductile and malleable than copper
- (B) Aluminium is available in plenty, cheaper and lighter than copper
- (C) Aluminium has lower resistivity than that of copper
- (D) Aluminium has less temperature co-efficient than copper
- (A) extrnisic
- (B) intmisic
- (C) N-type
- (D) P-type
- (A) intensity
- (B) speed
- (C) frequency
- (D) wave length
- (A) Porcelain
- (B) Slate
- (C) Asbestos
- (D) Glass
- (A) Diamond
- (B) High speed steel
- (C) Mild steel
- (D) Cast iron
- (A) Phosphorous
- (B) Rubber
- (C) Silicon
- (D) Aluminium
- (A) Both have great tendency for oxidation
- (B) Both have low melting point
- (C) Very large length of wires will be required
- (D) All of the above
- (A) Tungsten
- (B) Aluminium
- (C) Copper
- (D) Carbon
- (A) temperature
- (B) resistance
- (C) eddy currents
- (D) coupling co-efficient
