Chemical Engineering Subcategories

Chemical Engineering	Chemical Reaction
Polymer Technology	Fuels and Combustion
Refractory Technology	Fluid Mechanics for Chemical
Thermodynamics for Chemical	Materials and Construction
Fertilizer Technology	Chemical Environmental Engineering

Kopp’s rule is used to calculate the heat capacity of___________________?

A. Solids
B. Liquids
C. Gases
D. All (A), B. & (C)

The most abundant metal present in the earth’s crust is__________________?

A. Iron
B. Copper
C. Titanium
D. Aluminium

To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 – 1/T2) from the exact Clapeyron equation, it is assumed that the____________________?

A. Volume of the liquid phase is negligible compared to that of vapour phase
B. Vapour phase behaves as an ideal gas
C. Heat of vaporisation is independent of temperature
D. All A , B. & C.

A plait point is the point on the solubility curve, where the tie line reduces to a point. What is the number of plait point for a ternary system containing two pairs of partially miscible liquids ?

A. 0
B. 1
C. 2
D. 3

The viscosity of water at room temperature may be around one ___________________?

A. Centipoise
B. Poise
C. Stoke
D. Both B. & C.

The temperature at which the magnetic property of iron disappears (i.e., it becomes nonmagnetic) and its electrical conductivity & specific heat also changes, is called the ‘Curie point’, which is ________________ °C ?

A. 768
B. 908
C. 1400
D. 1539

Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same___________________?

A. Period increases
B. Period decreases
C. Group increases
D. Both ‘B’ & ‘C’

With increase in temperature, the electrical conductivity of semiconductors_____________________?

A. Increases
B. Decreases
C. Remain constant
D. Either A. or B. depends on the type of semi-conductor

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process ?

A. Cyaniding
B. Sherardizing
C. Spheroidising
D. None of these

Filler material used in welding should have _________________ as compared to the parent metal to be welded ?

A. Lower melting temperature
B. Same melting temperature
C. Same composition
D. Both ‘B’ & ‘C’