- (A) CCl2F2
- (B) CCl3F
- (C) CClF3
- (D) CCl4F
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- (A) Water passes through tubes and flue gases around it
- (B) Tube carrying hot flue gases are immersed in a pool of water
- (C) Tubes are placed in vertical position
- (D) None of these Answer: Option A
- (A) Completely filled
- (B) Partially filled
- (C) Equally filled
- (D) Vacant
- (A) Silicon
- (B) Carbon
- (C) Phosphorous
- (D) Chromium
- (A) Stellite
- (B) High speed steel
- (C) Cermet
- (D) Alnico
- (A) Ordinary differential equation of nth order
- (B) Simultaneous non-linear equation
- (C) Linear differential equation
- (D) None of these
- (A) Spheroidising
- (B) Annealing
- (C) Tempering
- (D) Normalising
- (A) Ethyl alcohol
- (B) Carbon tetrachloride
- (C) Glycerol
- (D) Ethylene glycol
- (A) Iron
- (B) Copper
- (C) Rubber
- (D) Nickel
- (A) 0.015
- (B) 0.055
- (C) 0.505
- (D) 0.805
