Thermodynamics – Quiz 20
Posted by Vishnu on August 21st, 2011 07:22 PM | No Comment
201. When carbon (C) is burnt to carbon dioxide (C02), one kg of carbon requires
(a) 8/3kg 02 to produce 11 kg CO2
(b) 8 kgy02 to produce 11/3 kg CO2
(c) 4kg 02 to produce 11kg C02
(d) 8 kg 02 ...
Thermodynamics – Quiz 19
Posted by Vishnu on August 21st, 2011 07:20 PM | No Comment
191. Choose the wrong statement
(a) Thermodynamic system is a definite area or space where some thermodynamic process takes place
(b) For a perfect gas, according to Boyle's Law is constant
(c) Volume is an extensive property of a thermodynamic system
(d) Temperature ...
Thermodynamics – Quiz 18
Posted by Vishnu on August 21st, 2011 07:19 PM | No Comment
183. The area under the temperature-entropy curve (T-S curve) of any thermodynamic process represents
(a) work done during process
(b) heat absorbed only
(c) heat rejected only
(d) heat absorbed or rejected.
184. Choose the wrong statement
(a) The change of entropy is positive when ...
Thermodynamics – Quiz 17
Posted by Vishnu on August 21st, 2011 07:18 PM | No Comment
171. The law which states that change of internal energy of a perfect gas is directly proportional to the change of temperature, is known as
(a) Boyle's law . (b) Charle's law
(c) Joule's law (d) Avogadro's law.
172. The absolute zero pressure ...
Thermodynamics – Quiz 16
Posted by Vishnu on August 21st, 2011 07:17 PM | No Comment
161. A gas follows the law pVn=C. If the value of n— 1, the process is known as
(a) adiabatic (b) isothermal
(c)isentropic (d) polytropic.
162. For any thermodynamic process, the area under TS curve (temperature-entropy curve) represents
(a) work done by the system
(b) ...
Thermodynamics – Quiz 15
Posted by Vishnu on August 20th, 2011 08:56 PM | No Comment
149. Fig. 3.14 shows different air cycles on T-S diagrams. Fig. 3.14 (a) shows
(a) Otto cycle (b) Carnot cycle (c) Stirling cycle (d) Diesel cycle
150. Fig. 3.14 (a) shows
(a) Otto cycle (b) Carnot cycle (c) Stirling cycle (d) Diesel cycle
151. ...
Thermodynamics – Quiz 14
Posted by Vishnu on August 20th, 2011 08:54 PM | No Comment
140. At a temperature of 227°C the heat supplied to an engine is 250 kcal per second. Hleat rejection takes place at a constant temperature of 27°C. If heat rejected is 200 kcal/sec, then applying Clausius inequality, determine whether the ...