3.16
- 101. What are acceptable limits of relative humidity for comfort?
- 102. What is indoor air quality (IAQ)?
- 103. What is infiltration?
- 104. What is air change rate?
- 105. What is ventilation?
- 106. What is mean radiant temperature?
- 107. What is effective temperature?
- 108. What is the comfort temperature range for humans?
- 109. What factors affect thermal comfort?
- 110. What is thermal comfort?
- 111. What is by-pass factor in cooling coils?
- 112. What is adiabatic mixing?
- 113. What is dehumidification?
- 114. What is humidification?
- 115. What is latent cooling?
- 116. What is latent heating?
- 117. What is sensible cooling?
- 118. What is sensible heating?
- 119. What is a psychrometric chart?
- 120. What is dry bulb temperature?
- 121. What is wet bulb temperature?
- 122. What is dew point temperature?
- 123. What is relative humidity?
- 124. What is specific humidity?
- 125. What is moist air?
- 126. What is dry air?
- 127. Define psychrometry.
- 128. What are the functions of air conditioning systems?
- 129. What is air conditioning?
- 130. What are industrial applications of absorption cooling?
- 131. How are absorption systems driven by heat?
- 132. What are the common refrigerant–absorbent pairs used?
- 133. What are the disadvantages of absorption systems?
- 134. What are the advantages of absorption systems?
- 135. What is the function of the analyzer and rectifier?
- 136. What is the difference between lithium-bromide and ammonia-water systems?
- 137. What is the role of absorber and generator?
- 138. What are the main components of absorption refrigeration?
- 139. What is the working principle of vapor absorption system?
- 140. What is zeotropic mixture?
- 141. What is azeotropic mixture?
- 142. What are refrigerant blends?
- 143. What refrigerants are used in domestic refrigerators?
- 144. What are common refrigerants used in air conditioning?
- 145. What are HFCs, HCFCs, and HFOs?
- 146. What are low-GWP refrigerants?
- 147. What properties should an ideal refrigerant have?
- 148. What is global warming potential (GWP)?
- 149. What is ozone depletion potential (ODP)?
- 150. What are the environmental impacts of refrigerants?
- 151. What is ammonia (R-717) used for?
- 152. What is R-134a?
- 153. What is R-22?
- 154. What is R-12?
- 155. What are synthetic refrigerants?
- 156. What are natural refrigerants?
- 157. What is an eco-friendly refrigerant?
- 158. What are the classifications of refrigerants?
- 159. What are refrigerants?
- 160. What is the effect of discharge pressure on COP?
- 161. What is the effect of suction pressure on COP?
- 162. How do subcooling and superheating affect performance?
- 163. What is superheating?
- 164. What is subcooling?
- 165. Explain expansion and evaporation processes.
- 166. Explain condensation process in refrigeration.
- 167. Explain compression process in refrigeration.
- 168. What are the main processes in the vapor compression cycle?
- 169. What is the refrigeration cycle represented on a P–h diagram?
- 170. What is the function of a capillary tube?
- 171. What is a throttle valve?
- 172. What are the types of expansion devices?
- 173. What is an expansion valve?
- 174. What are the types of evaporators?
- 175. What is an evaporator?
- 176. What are the types of condensers?
- 177. What is the function of a condenser?
- 178. What are the types of compressors used in refrigeration?
- 179. What is a compressor?
- 180. What are real-life applications of vapor compression systems
- 181. What is a Bell–Coleman cycle?
- 182. What is a gas refrigeration cycle?
- 183. Compare vapor compression and vapor absorption systems
- 184. What is a vapor absorption refrigeration cycle?
- 185. Draw and explain the vapor compression cycle.
- 186. What is the vapor compression refrigeration cycle?
- 187. Why is the Carnot cycle not used in practice for refrigeration?
- 188. Explain the reversed Carnot cycle.
- 189. What is a refrigeration cycle?
- 190. What are the desired properties of a good refrigerant?
- 191. What is a refrigerant?
- 192. What is the difference between COP and efficiency?
- 193. Define coefficient of performance (COP).
- 194. What is one ton of refrigeration (TR)?
- 195. What is the unit of refrigeration?
- 196. Define the term “refrigeration effect.”
- 197. What are the applications of refrigeration?
- 198. What is the purpose of refrigeration?
- 199. What is refrigeration?