- (A) Reduced by the addition of acid oxides
- (B) Increased by the addition of acid oxides
- (C) Not affected by the addition of acid oxides
- (D) Always less than 1000°C
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- (A) Coke ovens regenerator
- (B) Outer lining of L.D. converter
- (C) Hearth bottom of blast furnace
- (D) Coke oven walls
- (A) Silica
- (B) Fireclay
- (C) High alumina refractory
- (D) Carbon black
- (A) Solids are completely entrained
- (B) The pressure drop is less than that for batch fluidisation
- (C) There is no entrainment of solids
- (D) Velocity of the fluid is very small
- (A) Shear stress
- (B) Shear force
- (C) Average drag per unit projected area
- (D) None of these
- (A) Increases
- (B) Decreases
- (C) Remain same
- (D) May increase or decrease
- (A) 5
- (B) 50
- (C) 500
- (D) 5000
- (A) Run at a lower speed for the same discharge
- (B) Do not need priming
- (C) Deliver fluid with pulsating/fluctuating discharge
- (D) Can be run with discharge line valve closed for a short interval
- (A) V1.8
- (B) V-0.2
- (C) V2.7
- (D) V2
- (A) Lower thickness
- (B) Lower cross-section
- (C) Outer diameter
- (D) Inner diameter
