- (A) Conduction
- (B) Convection
- (C) Radiation
- (D) Both
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- (A) Sensible heat is added
- (B) Sensible heat is removed and the latent heat is added
- (C) Latent heat is removed
- (D) Sensible heat is added and latent heat is removed
- (A) 180°
- (B) 212°
- (C) 32°
- (D) 273°
- (A) Followed by tempering or carburising
- (B) Preceded by its tempering
- (C) Done to get a soft ductile interior with a very hard surface
- (D) Carried out to get extreme hardness in its core
- (A) Suspension
- (B) Emulsion
- (C) Gel
- (D) Solution
- (A) Aluminium
- (B) Brass
- (C) Cast iron
- (D) Steel
- (A) Grey
- (B) Nodular
- (C) Malleable
- (D) Spheroidal
- (A) Fuel cells
- (B) Photo voltaic cell
- (C) Magneto hydrodynamic generator
- (D) None of these
- (A) Ductile material
- (B) Hard materials
- (C) Brittle materials
- (D) Finishing cuts
- (A) Is trebled
- (B) Remains unchanged
- (C) Decreases by a factor of 3
- (D) Decreases by a factor of 1/3
