Related Questions

If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle
A More
B Less
C Equal
D Depends on other factors
একটি কর্নো ইঞ্জিন 500 K এবং 205 K তাপমাত্রার দুইটি আধারের মাধ্যমে পরিচালিত হয়। প্রত্যেক চক্রে ইঞ্জিন যদি উৎস থেকে 1 kcal তাপ গ্রহণ করে তাহলে প্রত্যেক চক্রে তাপ গ্রাহকে তাপ বর্জন করার পরিমাণ কত? ( A Carnot engine is operated between two reservoirs at temperatures of 500 K and 250K. If the engine receives 1 kcal of heat from the source in each cycle, the amount of heat rejected to the sink in each cycle is-)
A 500 cal
B 1000 cal
C 500 kcal
D 10 kcal
একটি কার্নো ইঞ্জিন 500K এবং 250K তাপমাত্রার দুইটি আধারের মাধ্যমে পরিচালিত হয়। প্রত্যেক চক্রে ইঞ্জিন যদি উৎস থেকে । kcal তাপ গ্রহণ করে তাহলে প্রত্যেক চক্রে তাপ গ্রাহকে তাপ বর্জন করার পরিমাণ কত? ( A Carnot engine is operated between two reservoirs at temperatures of 500 K and 250 K. If the engine receives 1 kcal of heat from the source in cach cycle, the amount of heat rejected to the sink in each cycle is --)
A 500 cal
B 1000 cal
C 500 kcal
D 10 kcal
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
A Surrounding temperature
B Average temperature of the fin
C Temperature of the fin end
D Constant temperature equal to that of the base
The efficiency of Stirling cycle is __________ Carnot cycle.
A Greater than
B Less than
C Equal to
D None of these
The efficiency of Ericsson cycle is __________ Carnot cycle.
A Greater than
B Less than
C Equal to
D None of these
Carnot cycle is also termed as the constant __________ cycle in thermodynamics.
A Entropy
B Pressure
C Volume
D Heat
The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that
A Carnot cycle can't work with saturated steam
B Heat is supplied to water at temperature below the maximum temperature of the cycle
C A Rankine cycle receives heat at two places
D Rankine cycle is hypothetical
During which of the following process does heat rejection takes place in Carnot cycle?
A Isothermal expansion
B Isentropic expansion
C Isothermal compression
D Isentropic compression
The C.O.P. of a heat pump working on a reversed Carnot cycle is
A $$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2} - {{\text{T}}_1}}}$$
B $$\frac{{{{\text{T}}_2} - {{\text{T}}_1}}}{{{{\text{T}}_1}}}$$
C $$\frac{{{{\text{T}}_1} - {{\text{T}}_2}}}{{{{\text{T}}_1}}}$$
D $$\frac{{{{\text{T}}_2}}}{{{{\text{T}}_2} - {{\text{T}}_1}}}$$

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