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.Management Sciences
Category: Stoichiometry
For any system, the _____________ heat of solution is dependent on the temperature and the adsorbate concentration?
A. Integral
B. Differential
C. Both A. & B.
D. Neither A. nor B.
Enthalpy of a vapor gas mixture may be increased by increasing the________________?
A. Temperature at constant humidity
B. Humidity at constant temperature
C. Temperature and the humidity
D. All A., B. & C.
Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called_________________?
A. Spalling resistance
B. Refractoriness
C. Refractoriness under load (RUL)
D. None of these
Pick out the wrong unit conversion ?
A. 1 kgf= 9.8 Newton
B. 1 stoke = 1 m2/second
C. 1 Pascal second = 10 poise
D. 1 ppm = 1 ml/m3 = 1 mg/kg
Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the ‘corresponding states’. At equal reduced conditions i.e., at the corresponding state, the ____________ of different gases are nearly the same?
A. Compressibility
B. Molecular weight
C. Humidity
D. None of these
Addition of a non-volatile solute to a pure solvent ____________________?
A. Increases its freezing point
B. Increases its boiling point
C. Decreases its freezing point
D. Both B. and C.
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