For an ideal gas, Cp – Cv is____________________?
A. R
B. -R
C. 0
D. (3/2) R
Chemical Engineering Basics
Viscoelastic behaviour is observed in _______________________ materials?
Viscoelastic behaviour is observed in _______________________ materials?
A. Non-crystalline organic polymeric
B. Ceramic
C. All crystalline
D. All amorphous
Load cells used for the measurement of weight has______________?
Load cells used for the measurement of weight has______________?
A. Compact & rugged construction with an accuracy of 0.1 to 1%
B. No moving parts and incurs negligible deflection under load
C. Provision of thermal compensation and is hermetically sealed
D. All A, B & C
The order of a chemical reaction____________________?
The order of a chemical reaction____________________?
A. Can be determined only experimentally
B. Can be determined from the stoichiometry of the reaction
C. Cannot be zero
D. Can be fractional
With increase in temperature, the electrical conductivity of a _________________ decreases ?
With increase in temperature, the electrical conductivity of a _________________ decreases ?
A. Semi-conductor
B. Metal or alloy
C. Dielectric
D. None of these
Which of the following if present in iron ore, enhances its value ?
Which of the following if present in iron ore, enhances its value ?
A. Alumina
B. Alkali oxide
C. Lime & Magnesia
D. None of these
Out of the following the refractive index is the highest for____________________?
Out of the following the refractive index is the highest for____________________?
A. Glass
B. Diamond
C. Brine
D. Kerosene
In a good rimming steel_________________________?
In a good rimming steel_________________________?
A. Carbon and silicon should be low
B. Silicon should be low but carbon should be high
C. Both silicon & carbon should be high
D. Silicon should be high but carbon should be low
Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that_________________?
Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that_________________?
A. Pure oxygen has been used for combustion
B. Nitrogen percentage in the fuel is very high
C. Excess air has been used for combustion
D. Hydrogen is not present in the fuel
_________________ furnace is generally used in the non-ferrous foundries ?
_________________ furnace is generally used in the non-ferrous foundries ?
A. Direct arc
B. Indirect arc
C. Resistance
D. Induction