Thermodynamics Test Questions

Q.  As the temperature difference between system and surroundings decreases the quality of the energy which is being transferred

a. increases
b. decreases
c. remains same
d. none of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  What is the desirable characteristic of a refrigerant?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which refrigerant is widely used in refrigeration facilities of food as cooling of fresh vegetables, dairy products, meat and fish and similar process industries?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  When dry bulb temperature (DBT) and wet bulb temperature (WBT) are measured, greater the difference between DBT and WBT,
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is sensible cooling of air?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  When the humidity ratio of air increases the air is said to be
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  How is the natural draught produced for exhaust gases?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Macroscopic thermodynamics ______
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which among the following systems undergo/es work transfer?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following is/are mode/s of storage of internal energy in a system?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  A process of application of breaks in a vehicle is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  A process becomes reversible when
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Carnot cycle is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following is a reversed heat engine?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  According to the Carnot's theorem, the efficiency of a reversible heat engine operating between a same given constant temperature source and a given constant temperature sink is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  If a reversible heat engine A is operating between the temperature levels T1 and T2 and another reversible heat engine B of different capacity is also operating between the same temperature difference T1 and T2, then the efficiency of reversible heat engine B is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  An electric current I is passing through a resistor in contact with a reservoir. The internal energy of the resistor is constant. Heat generated is absorbed by surrounding at temperature T0. What will be the effect on entropy of the universe?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  How is heat transfer associated with entropy transfer?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the entropy transfer associated with work?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  When system gains entropy from the surrounding, what will be the effect on the molecules of the system?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the entropy generation?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts