Which of the following type of refrigerant cool substances by absorbing their sensible heats:

Which of the following property is desirable for a refrigerant:

When Carbon dioxide is used as refrigerant, the size of the compressor will be:

Freon compounds are good conductors of electricity:

High molecular weight of the Freon compound attributes to which of the following:

Which of the following Freon Refrigerant has highest density:

Which of the following refrigerant has lowest specific volumes as vapor:

When  Carbon dioxide is present in the condenser water, the water will turn ______with addition of bromothymol blue:

When a large concentration of methyl chloride leak is detected using halide torch, a brilliant ______ flame is produced:

For detecting the sulfur dioxide leak, which of the following is not used:

The lower the molecular weight of the refrigerant, the ______ the hole must be required for the refrigerant to escape:

Which of the following refrigerant has highest vapor enthalpy:

The hydrolysis rate (reaction of refrigerant with water) for the Freon compounds are generally ____ when compared with other halogenated compounds:

A worker adversely affected by fluorocarbon vapors should be treated with adrenaline (epinephrine):

Magnesium alloys and Aluminum containing more than ______ of magnesium is not recommended for use in system containing Freon compounds in presence of water: