A. 1026
B. 1023
C. 1020
D. 1019
Correct Answer: 1020 ✔
Last Updated: March 05, 2019
Related MCQs
- ‘Cox’ chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the__________?
- Dissolving a solute in a solvent does not change its__________?
- In the reaction, Ca + 2H2O = Ca(OH)2 + H2; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water ? (Atomic weight of calcium = 40) ?
- Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C?
- Which property of refractories is the most important for top section of the blast furnace ?
- Roof of a basic electric furnace is made of __________ bricks?
- Outer combustion chamber of blast furnace stove is lined with __________ bricks?
- Magnesite refractories are used for the construction of those furnaces, which are__________?
- An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture ?
- Test piece for determination of RUL of a refractory is heated in a/an__________?
- With increase in the alumina content, the refractoriness of high alumina refractories__________?
- Thermal diffusivity of a refractory brick is high, when its __________ is high?
- Fusion point of a basic refractory material is__________?
- Fireclay bricks are used in the__________?
- High porosity refractory bricks have__________?
- Fireclay bricks are not used in the__________?
- Hot metal runner in blast furnace are lined with __________ bricks?
- Presence of MgO in alumino-silicate refractories __________ its refractoriness ?
- Chemically, mullite refractories is__________?
- Panel test determines the __________ of refractories?
- Maximum alumina content in high alumina refractory can be as high as __________ percent?
- Water content in ground refractory material to be shaped into bricks by hand moulding is about __________ percent?
- Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except__________?
- Refractory bricks with lower permeability is produced by using __________?
- Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to__________?
- Addition of zircon to silica refractory brick improves its__________?
- Pick out the wrong statement?
- Pick out the correct conversion?
- Pick out the wrong statement?
- Pick out the wrong statement?
- The number of H+ in 1 c.c solution of pH 13 is__________?
- If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is __________ gm?
- In physical adsorption, as compared to chemisorption, the__________?
- 1 bar is almost equal to __________ atmosphere?
- Two solutions A1 and A2 have pH value of 2 and 6 respectively. It implies that the solution__________?
- Osmotic pressure of the solution can be increased by__________?
- Pick out the wrong statement about the recycle stream in a process ?
- Saturated molal absolute humidity of the vapor-gas mixture depends upon the__________?
- Measurement of the amount of dry gas collected over water from volume of moist gas is based on the__________?
- How many phases are present at eutectic point ?
- The atomic heat capacities of all solid elements __________ with decrease in temperature?
- The value of the gas-law constant ‘R’ is 1.987 ?
- Avogadro’s number is equal to__________?
- The density of a liquid is 1500 kg/m3. Its value in gin/litre will be equal to__________?
- A saturated vapor on being compressed would__________?
- A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal__________?
- With rise in temperature, the solubility of ammonia in water at a fixed pressure__________?
- One micron is equal to __________ cm?
- Kopp’s rule is useful for the determination of__________?
- The unit of specific heat at constant pressure, Cp, in SI unit is__________?
- For an ideal solution, the total vapor pressure varies __________ with the composition (expressed as mole fraction)?