A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Thermodynamics }



141. Which of the following cycles is not a reversible cycle
A.Carnot
B.Ericsson
C.Joule
D.None of the above
Discuss in Forum

142. The efficiency of Diesel cycle with decrease in cut off
A.Increases
B.Decreases
C.Remains unaffected
D.First increases and then decreases
Discuss in Forum

143. The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as
A.Dual combustion cycle
B.Diesel cycle
C.Atkinson cycle
D.Rankine cycle
Discuss in Forum

144. Which of the following cycles has maximum efficiency
A.Rankine
B.Stirling
C.Carnot
D.Brayton
Discuss in Forum

145. The ideal efficiency of a Brayton cycle without regeneration with increase in pressure ratio will
A.Increase
B.Decrease
C.Remain unchanged
D.Increase/decrease depending on application
Discuss in Forum

146. The following cycle is used for air craft refrigeration
A.Brayton cycle
B.Joule cycle
C.Reversed-Brayton cycle
D.Bell-Coleman cycle
Discuss in Forum

147. The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that
A.Carnot cycle cant work with saturated steam
B.Heat is supplied to water at temperature below the maximum temperature of the cycle
C.A Rankine cycle receives heat at two places
D.Rankine cycle is hypothetical
Discuss in Forum

Page 21 of 90

« 19 20  21  2223 »