Rankine cycle comprises of two isothermal and two __________ processes. (A) Isobaric (B) Polytropic (C) Isentropic (D) None of these

Rankine cycle comprises of two isothermal and two __________ processes.
(A) Isobaric
(B) Polytropic
(C) Isentropic
(D) None of these
by

1 Answer

Answer :

(D) None of these
by

Related questions

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In polytropic process (PV n = constant), if n = 1; it means a/an __________ process. (A) Adiabatic (B) Reversible (C) Isothermal (D) None of these

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In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process. (A) Adiabatic (B) Isometric (C) Isentropic (D) Isothermal

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Last Answer : (B) Isometric

Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work. (A) Isothermal (B) Adiabatic (C) Isentropic (D) None of these

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Last Answer : (A) Isothermal

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Last Answer : (B) Isothermal

Change of state namely evaporation condensation, freezing and melting is an __________ process. (A) Isothermal (B) Adiabatic (C) Isobaric (D) Isochoric

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Last Answer : (A) Isothermal

Heating of water under atmospheric pressure is an __________ process. (A) Isochoric (B) Isobaric (C) Adiabatic (D) Isothermal

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Consider the following processes: [IES-1999] 1. Constant pressure heat addition. 2. Adiabatic compression. 3. Adiabatic expansion. 4. Constant pressure heat rejection. The correct sequence of these processes in Rankine cycle is: (a) 1, 2, 3, 4 (b) 2, 1, 4, 3 (c) 2, 1, 3, 4 (d) 1, 2, 4, 3

Description : Consider the following processes: [IES-1999] 1. Constant pressure heat addition. 2. Adiabatic compression. 3. Adiabatic expansion. 4. Constant pressure heat rejection. The correct sequence of these processes in Rankine cycle is: (a) 1, 2, 3, 4 (b) 2, 1, 4, 3 (c) 2, 1, 3, 4 (d) 1, 2, 4, 3

Last Answer : (c) 2, 1, 3, 4 

In a single stage reciprocating air compressor, the work done on air to compressor is from suction pressure to delivery pressure will be minimum when the compression is A. Isothermal process B. Adiabatic process C. Polytropic process D. Constant pressure process.

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Last Answer : ANSWER : A

The air standard Otto cycle comprises a two constant pressure processes and two constant volume processes b two constant pressure and two constant entropy processes c. two constant volume processes and two constant entropy processes d. none of the above.

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Last Answer : ANSWER (c) two constant volume processes and two constant entropy processes

Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle  A. combustion is at constant volume  B. expansion and compression are isentropic  C. maximum temperature is higher  D. heat rejection is lower

Description : Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle  A. combustion is at constant volume  B. expansion and compression are isentropic  C. maximum temperature is higher  D. heat rejection is lower

Last Answer : Answer: D

PVy = constant, holds good for an isentropic process, which is (A) Reversible and isothermal (B) Isothermal and irreversible (C) Reversible and adiabatic (D) Adiabatic and irreversible

Description : PVy = constant, holds good for an isentropic process, which is (A) Reversible and isothermal (B) Isothermal and irreversible (C) Reversible and adiabatic (D) Adiabatic and irreversible

Last Answer : C) Reversible and adiabatic

Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of – (1) Open system (2) Closed system (3) Isobaric system (4) Isothermal system

Description : Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of – (1) Open system (2) Closed system (3) Isobaric system (4) Isothermal system

Last Answer : (1) Open system Explanation: When heated, ammonlinm chloride decomposes into ammonia and hydrogen chloride. The thermal decomposition of ammonium chloride is a reversible chemical change. On heating ... hydrogen chloride. On cooling, the reaction is reversed and solid ammonium chloride is formed.

The propagation of sound waves in a gas involves – (1) Adiabatic compression and rarefaction (2) Isothermal compression and rarefaction (3) Isochoric compression and rarefaction (4) Isobaric compression and rarefaction

Description : The propagation of sound waves in a gas involves – (1) Adiabatic compression and rarefaction (2) Isothermal compression and rarefaction (3) Isochoric compression and rarefaction (4) Isobaric compression and rarefaction

Last Answer : (1) Adiabatic compression and rarefaction Explanation: Sound is a mechanical wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the ... . Through solids, however, it can be transmitted as both longitudinal waves and transverse waves.