element
compound
atom
molecule
✅ The correct answer is option D.
Thermodynamics MCQs
The blast furnace gas is a by-product in the production of pig iron in the blast furnace.
Yes
No
✅ The correct answer is option A.
Diesel cycle consists of __________ processes.
two constant volume and two isentropic
two constant pressure and two isentropic
two constant volume and two isothermal
one constant pressure,
✅ The correct answer is option D.
Carnot cycle consists of
two constant volume and two isentropic processes
two isothermal and two isentropic processes
two constant pressure and two isentropic processes
one constant volume, o
✅ The correct answer is option B.
According to Regnault’s law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) __________ with the change in pressure and temperature of the gas.
change
do not change
✅ The correct answer is option B.
If in the equation pvn = C, the value of n = ∝ , then the process is called
constant volume process
adiabatic process
constant pressure process
isothermal process
✅ The correct answer is option A.
The elements are made up of minute and chemically invisible particles as atoms.
TRUE
FALSE
✅ The correct answer is option A.
One kilowatt is equal to
1 N-m/s
100 N-m
1000 N-m/s
1 x 106 N-m/s
✅ The correct answer is option C.
The numerical value of the thermal capacity and the water equivalent of the substance are the same.
Agree
Disagree
✅ The correct answer is option A.
The efficiency of Diesel cycle depends upon
temperature limits
pressure ratio
compression ratio
cut-off ratio and comp
✅ The correct answer is option D.