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WorksheetsThermal Science
Total questions: 37
Worksheet time: 23mins
Water boiling is an example of ____
conduction
radiation
density
convection
Heat always travels from _____ to ______ objects
hot to cold
cold to hot
cold to cold
hot to hot
Temperature is ...
the measure of the average kinetic energy of the molecules of an object
The amount of thermal energy it takes to raise one gram of a substance by one degree Celsius.
An object’s internal energy
Celsius Scale
water freezes at 0 degrees and boils at 100 degrees
water boils at 212 degrees and freezes at 32 degrees
Water boils at 273 degrees and boils at 373 degrees
The unit for HEAT (thermal energy)
Calories
Cal/gram degree Celsius
Degrees Celsius
Process B on the PV diagram is an ______________ process.
adiabatic
isobaric
isochoric
isothermal
A thermodynamic system where no exchange of heat takes place between system and surrounding is...
Isothermal process
Adiabatic process
Isobaric process
Isochoric process
Heating a closed, steel container is an example of an
Adiabatic process
Isovolumetric process
Isothermal process
Isobaric process
Which of the following equations is the equation for calculating the work done by a gas in a piston?
W=Fd
W=PΔV
ΔV=Ad
A=πr2
In an adiabatic process, what equals zero?
Q
W
ΔU
T
The PV diagram for an adiabatic process looks similar to the PV diagram for...
... Isochoric process
...Isothermal process
... Isobaric process
It does not look similar to any of these charts
In Isothermal process which property remains constant
Volume
Pressure
Concentration
Temperature
What is the name of the process in which pressure remains constant.
Isochoric process
Adiabatic process
Isobaric process
Isolated process
An adiabatic process occurs at constant
Temperature
pressure
heat
none of these
---------------is intensive variable
area
entropy
temperature
volume
Correct Meyer's relation
Cp-Cv = R
Cv-Cp = R
Cv+Cp = R
A system comprising a single phase is called a
(a) closed system
(b) open system
(c) isolated system
(d) homogeneous system
(e) heterogeneous system.
A definite area or space where some thermodynamic process takes place is known as
(A)thermodynamic system
(b) thermodynamic cycle
(c) thermodynamic process
(c) thermodynamic process
In an irreversible process, there is a
(a) loss of heat
(b) no loss of heat
(c) gain of heat
(d) no gain of heat.
The unit of energy in SI units is
(J)
(a) Joule (J)
(b) Joule metre (Jm)
(c) Watt (W)
(d) Joule/metre (J/m).
In an extensive property of a thermodynamic system
(a) extensive heat is transferred
(b) extensive work is done
(c) extensive energy is utilised
(d) all of the above
(e) none of the above.
Which of the following is the extensive property of a thermodynamic system ?
(a) Pressure
(b) Volume
(c) Temperature
(d) Density.
A system is in thermodynamic equilibrium
if temperature and pressure at all points are same
if temperature and pressure at all points are not same
if temperature at all points are same
if pressure at all points are same
Mixture of oil and water is an example of ______system
homogeneous
heterogeneous
Isolated system can exchange------- with its surroundings.
only energy
both matter and energy
neither matter nor energy
------ is an extensive property.
specific heat capacity
heat capacity
molar volume
density
For an isothermal process----
q=0
dT=0
dP=0
Work and heat are ------function.
state
path
Which type of system is depicted here?
Open System
Closed System
Isolated System
Which is true about an egg cooking in a pot of water on the stove? Check all that are correct
The egg is the system
The egg is the surrounding
The pot of water is the system
The pot of water is the surrounding
Which direction is energy flowing when an egg is cooking in a pot of water on the stove?
From the egg to the water
From the water to the egg
Energy is not flowing
Instructor were able to clarify doubts?
Yes, Definitely
May be i need more classes to understand
No
14.5 litres of gas at 172MN/m2 is expanded at constant pressure until its volume becomes 130.5 litres. Determine the work done by the gas.
180 kJ
192.24 kJ
199.5 kJ
210.5 kJ
