A. 1-5
B. 20-30
C. 100-150
D. 200-250
Related Mcqs:
- Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?
A. Vickers hardness test
B. Shore scleroscope test
C. Brinell hardness test
D. Rockwell hardness test - Presence of _____________ hardness is responsible for the temporary hardness in water?
A. Carbonate
B. Calcium
C. Chloride
D. Sulphate - Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to – 100°C is ____________________?
A. 10.73 kJ
B. 16.15 kJ
C. 18.11 kJ
D. 18.33 kJ - Compressibility factor for almost all the gases are approximately same at the same__________________?
A. Pressure and temperature
B. Reduced pressure and reduced temperature
C. Critical pressure and critical temperature
D. None of these - 1m3 is approximately equal to_________________?
A. 28 litres
B. 35 ft3
C. 4.5 litres
D. 4.5 ft3 - A very dilute solution is prepared by dissolving ‘x1’ mole of solute in ‘x2’ mole of a solvent. The mole fraction of solute is approximately equal to_________________?
A. x1/x2
B. x2/x1
C. 1 – (x1/x2)
D. 1/x2 - “The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of___________________?
A. Law of Petit and Dulong
B. Kopp’s rule
C. Nernst heat theorem
D. Trouton’s rule - Basicity [%Cao + %MgO + %SiO2) of the slag in Indian blast furnace is in the range of___________________?
A. 0.7-1.0
B. 1.1-1.4
C. 1.5 – 1.8
D. 2.0 – 2.5 - BOD of raw municipal sewage may be in the range of about _____________ mg/litre?
A. 1-2
B. 5-10
C. 150-300
D. 2000-3000 - The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the ____________ temperature?
A. Critical
B. Boyle
C. Inversion
D. Reduced
