1 Answers
Call
Talk Doctor Online in Bissoy App
The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.?
Answer: Option 3 Let'
1 Answers 1 views
The maximum heat transfer co-efficient from steam heating will be attained when the steam is?
Answer: Option 2 Let'
1 Answers 1 views
The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil)?
Answer: Option 2 The bypass factor (B. P. F.) in case of sensible heating of air is (td₃ - td₂)/(td₃ - td₁) Where, td₁ = Dry bulb temperature of air entering the...
1 Answers 1 views
The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process)?
Answer: Option 4 The sensible heat factor during the heating and humidification process is given by (hA - h1)/ (h2 - h1)
1 Answers 1 views
The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law )?
Answer: Option 1 The compressibility factor is given by $$Z = \frac{{P{V_1}}}{{RT}}.$$ If at the same temperature and pressure if the same gas exists as ideal gas than we...
1 Answers 1 views
Which of the following heating methods has maximum power factor?
Answer: Option 4 Let'
1 Answers 1 views
Which of the following gas is mostly used in town for street and domestic lighting and heating?
Answer: Option 2 Let'
1 Answers 2 views
Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?
Answer: Option 2 Let'
1 Answers 3 views
Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm.?
Answer: Option 1 Let'
1 Answers 3 views
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.?
Answer: Option 2 Let'
1 Answers 1 views