Which statement is incorrect?

A All reversible cycles have the same efficiency
B Reversible cycle has more efficiency than an irreversible one
C Carnot cycle is a reversible one
D Carnot cycle has the maximum efficiency of the cycles

Correct Answer: All reversible cycles have the same efficiency

Work done per cycle = Area of the loop representing the cycle As different reversible cycles may have different loop areas, their efficiencies will also be different.
Bissoy MCQ
#Engineering Physics #Specific Heat and Thermodynamics

Related Questions

Which of the below statement is incorrect with regards to a policy against which a loan has been taken from the insurance company?
A The policy will have to be assigned in favour of the insurance company
B The nomination of such policy will get cancelled due to assignment of the policy in favour of the insurance company
C The nominee’s right will be affected to the extent of the insurer’s interest in the policy
D The policy loan is usually limited to a percentage of the policy’s surrender value
which of the following is an incorrect statement about packages?
A Package defines a namespace in which classes are stored
B A package can contain other packages within it
C Java uses file system directories to store packages
D A package can be renamed without renaming the directory in which the classes are stored.
Which statement is incorrect about a short story?
A It has few characters
B It is short,
C It concentrates on the dilemma of many characters.
D Its plot usually reaches the climax in a revelation.
Which of the following is an incorrect statement?
A Molscript is not capable of generating ball-and-stick styles
B In particular, secondary structure elements can be drawn with solid spirals and arrows representing α-helices and β-strands, respectively
C Molscript is capable of generating space-filling
D Molscript is a UNIX program capable of generating wire-frame
Which among the following is an incorrect statement?
A Chlamydomanas is an example of unicellular algae
B Chlamydomanas have flagella to promote their movement
C Ulothrea is a unicellular autotrophic algal
D Spirogyra attains its name because of spiral like arrangement of chloroplasts
Which of the following statement is incorrect?
A Pteridophytes follow cryptogamae i.e. reproduce spores
B The main plant body in Pteridophytes is Sporophyte
C Pteridophytes grow in dry and cold places like mountains
D Pteridophytes have specialized vascular tissues
Which of the following is incorrect statement?
A In this method one half of the sites in a dataset are randomly deleted
B It creates datasets half as long as the original
C Each new dataset is subjected to phylogenetic tree construction using the different methods as the original
D One criticism of this approach is that the size of datasets has been changed into one half and that the datasets are no longer considered replicates
Which of the following statement is INCORRECT regarding Sodium?
A Sodium reacts vigorously with oxygen and water
B A lot of heat is generated when sodium reacts with water and oxygen
C It is stored in kerosene
D It is a non-metal
Which of the following statement(s) is/are INCORRECT regarding Phosphorus?
A Phosphorus reacts vigorously with water
B It is a non-metal
C It catches fire on reacting with air
D It is found in group 15 of the modern periodic table
Which among the following statement is INCORRECT?
A On a linear demand curve, all the five forms of elasticity can be depicted
B If two demand curves are linear and intersecting each other, then, coefficient of elasticity would be same on different demand curves at the point of intersection.
C If two demand curves are linear and parallel to each other, then, at a particular price, the coefficient of elasticity would be different on different demand curves.
D The price elasticity of demand is expressed in terms of relaive not absolute changes in Price and Quantity demanded.

Next steps