ESAS · Question Bank

Thermodynamics

274 of 308 questions match · page 4 of 14. Answer in your head first, then check the solution.

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#61📘 reviewer_appEasy
Which of the following processes cannot be found in a Carnot engine cycle?
AIsobaric expansion
BAdiabatic compression
CAdiabatic expansion
DIsothermal expansion
#62📘 reviewer_appEasy
In any process, the maximum amount of heat that can be converted into mechanical energy:
ADepends only on the exhaust temperature
BDepends on the intake and exhaust temperatures
CIs always 100%
DDepends on kinetic and potential energy involvement
#63📘 reviewer_appEasy
Who coined the word energy?
AJames Joule
BThomas Young
CRudolf Diesel
DLord Kelvin
#64📘 reviewer_appEasy
What term indicates how well an energy conversion or transfer process is accomplished?
ACycle
BEfficiency
CHeating effect
DReversibility
#65📘 reviewer_appEasy
Which diagram was introduced by the German scientist R. Mollier?
AEnthalpy-entropy (\( h-s \)) diagram
BTemperature-entropy (\( T-s \)) diagram
CPressure-volume (\( p-v \)) diagram
DPressure-enthalpy (\( p-h \)) diagram
#66📘 reviewer_appEasy
Which statement defines the work output of a heat engine?
AFunction of exhaust temperature only
BFunction of intake temperature only
CDifference between heat intake and heat exhaust
DDifference in entropy always
#67📘 reviewer_appEasy
For a perfect gas undergoing an isothermal process, what is the value of \( n \) in \( PV^n = C \)?
A0
B1
CInfinity
D\( n > 1 \)
#68📘 reviewer_appEasy
What is used to predict the behavior of a non-ideal gas?
ACompressibility factor
BExpansivity factor
CEmissivity factor
DVan der Waals factor
#69📘 reviewer_appEasy
Which process satisfies the relation \( dQ = Tds \)?
AIrreversible
BIsometric
CReversible
DIsothermal
#70📘 reviewer_appEasy
Which of the following thermodynamic relations is NOT correct?
A\( Q = U + W \)
B\( Tds = dU + pdV \)
C\( dH = Tds + Vdp \)
D\( H = U - pV \)
#71📘 reviewer_appEasy
Which thermodynamic device operates as the reverse of a heat engine?
AThermal pump
BThermal evaporator
CThermal condenser
DThermal equilibrator
#72📘 reviewer_appEasy
What is another term used for an isometric process?
AIsochoric process
BPolytropic process
CIsothermal process
DReversible process
#73📘 reviewer_appEasy
Which engine was introduced by the German engineer Nikolaus Otto?
AGasoline engine
BDiesel engine
CGas turbine
DThermal engine
#74📘 reviewer_appEasy
The term "thermodynamics" comes from the Greek words, "therme" and "dynamis" which means ________.
Aheat power
Bheat transfer
Cheat energy
Dheat motion
#75📘 reviewer_appEasy
The term "thermodynamics" was first used in 1849 in the publication of:
ARudolph Clausius
BWilliam Rankine
CLord Kelvin
DThomas Savery
#76📘 reviewer_appEasy
What law asserts that energy is a thermodynamic property?
AFirst law of thermodynamics
BSecond law of thermodynamics
CThird law of thermodynamics
DZeroth law of thermodynamics
#77📘 reviewer_appEasy
What law asserts that energy has quality as well as quantity?
AFirst law of thermodynamics
BSecond law of thermodynamics
CThird law of thermodynamics
DZeroth law of thermodynamics
#78📘 reviewer_appEasy
The macroscopic approach to the study of thermodynamics that does not require a knowledge of behavior of individual particles is called _______
ADynamic thermodynamics
BStatic thermodynamics
CStatistical thermodynamics
DClassical thermodynamics
#79📘 reviewer_appEasy
What is the more elaborate approach to the study of thermodynamics and based on the average behavior of large groups of individual particles?
ADynamic thermodynamics
BStatic thermodynamics
CStatistical thermodynamics
DClassical thermodynamics
#80📘 reviewer_appEasy
What is defined as a region in space chosen for study?
ASurroundings
BSystem
CBoundary
DVolume

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