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- Question 1 of 20
In highly rarefied gases, the concept of this loses validityCorrectIncorrect
- Question 2 of 20
The constant volume gas thermometer works on the principle thatCorrectIncorrect
- Question 3 of 20
There is no work transfer involved in this processCorrectIncorrect
- Question 4 of 20
This process is one in which there is only work interaction between the system and the surroundingsCorrectIncorrect
- Question 5 of 20
In which of the following processes,the heat is fully converted into work?CorrectIncorrect
- Question 6 of 20
An inventor states that his new conceptual engine, while operating between temperature limits of 377 °C and 27 °C, will reject 50% of heat absorbed from the source. What type of cycle will this engine have?CorrectIncorrect
- Question 7 of 20
The continual motion of a movable device in absence of frictionCorrectIncorrect
- Question 8 of 20
For a given temperature T1 as the difference between T1 and T2 increases, the COP of a Carnot heat pumpCorrectIncorrect
- Question 9 of 20
A heat engine is supplied with 2512 kJ/min of heat at 650 °C.Heat rejection with 900 kJ/min takes place at 100 °C. This type of heat engine isCorrectIncorrect
- Question 10 of 20
Consider the following statements for a throttling process :
1.It is an adiabatic process.
2.There is no work transfer in the process.
3.Entropy increases in throttling process.
Which of these statements are correct?CorrectIncorrect
- Question 11 of 20
If the work done on a closed system is 20 kJ/kg, and 40 kJ/kg heat is rejected from the system, its internal energy is decreased byCorrectIncorrect
- Question 12 of 20
A carnot heat pump is used to heat a house. The outside temperature is -3 °C and the indoor temperature is 27 °C.If the heat Loss from the
house is 40 kW, the power required to operate the heat pump isCorrectIncorrect
- Question 13 of 20
The enthalpy drop for flow through convergent horizontal nozzles is 100 kJ/kg. If the velocity of approach at inlet to the nozzle is negligible, the exit velocity of the fluid isCorrectIncorrect
- Question 14 of 20
By integrating Euler equation between two sections 1 and 2 for flow of an incompressible invisid fluid through a pipe, we getCorrectIncorrect
- Question 15 of 20
For steady flow through an insulated horizontal constant diameter pipe,this property remains constantCorrectIncorrect
- Question 16 of 20
100 kJ of energy is transferred from a heat reservoir at 1000 K to a heat reservoir at 500 K. The ambient temperature is 300 K. The loss of available energy due to heat transfer process isCorrectIncorrect
- Question 17 of 20
When a system reaches the state of equilibrium, the following property assumes its maximum valueCorrectIncorrect
- Question 18 of 20
The difference between constant pressure specific heat Cp, and constant volume specific heat Cv, for pure substanceCorrectIncorrect
- Question 19 of 20
Joule-Thomson coefficient is the slope ofCorrectIncorrect
- Question 20 of 20
Which gas shows a heating effect in the Joule-Thomson experiment,while undergoing throttling process through a porous plug of cotton wool?CorrectIncorrect
Leaderboard: IES Mechanical 1
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