1. Reynolds number is the ratio of
2. The radiation emitted by a black body is known as
3. Thermal conductivity of a material may be defined as the
4. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression system is
5. The alignment circle is marked on the psychrometric chart at
6. A good refrigerant should have
7. The capillary tube is not used in large capacity refrigeration systems because
8. The ratio of Nusselt number and the product of Reynold’s number and Prandtl number is equal to
9. The index which corelates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as
10. The freezing point of R-12 is
Question 1 of 10