Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 28
1.
Addition of __________ to steel does not impart hardness.
Answer: Option B
Explanation:
2.
For a spontaneous natural process at constant temperature and pressure, the free energy of the system always
A. increases. B. decreases. C. remains constant. D. increases to a maximum before decreasing.
Answer: Option A
Explanation:
3.
Inertial forces are obtained, when the elastic forces are multiplied by __________ number.
Answer: Option A
Explanation:
4.
Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.
Answer: Option A
Explanation:
5.
Wavelength of radiation emitted by a body depends on the __________ of its surface.
A. temperature B. area C. nature D. all 'a', 'b' & 'c'
Answer: Option A
Explanation:
