- (A) nickel copper
- (B) nichrome
- (C) silicon carbide
- (D) silver
Electrical Engineering Mcqs
- (A) reduce the length of heating element
- (B) increase the life of the heating element
- (C) reduce the effect of oxidation
- (D) produce large amount of heat
- (A) radiation
- (B) convection
- (C) conduction
- (D) any of the above
- (A) Indirect arc furnace
- (B) Core less furnace
- (C) Either of the above
- (D) None of the above
- (A) Insulating materials
- (B) Conducting materials which are magnetic
- (C) Conducting materials which are non-magnetic
- (D) Conducting materials which may or may not be magnetic
- (A) By disconnecting some of the heating elements
- (B) By varying the operating voltage
- (C) By varying the current through heating elements
- (D) By any of the above method
- (A) phase angle
- (B) frequency
- (C) current
- (D) voltage
- (A) oxidizing
- (B) deoxidising
- (C) reducing
- (D) neutral
- (A) Water
- (B) Steam
- (C) Sold ice
- (D) Melting ice
- (A) bodies are kept in vacuum
- (B) bodies are immersed in water
- (C) bodies are exposed to thermal radiations
- (D) temperatures of the two bodies are identical
