Related Questions

Read the following passage carefully and then choose the right word to complete the sentence that follows. Rockets are very expensive as it can be used only once. Appled scientists have therefore develped a reusable space craft called a space shuttle which takes off like a rocket; however, does no get destroyed as it returns to earth. It can also be used to lunch satellired into space, retrieve them from space if any repairing os required and allow around 8 scientists to crryout experiments in space. The space shuttle does not get.
A flattened
B enlarged
C ruined
D developed
The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents
A Heat absorbed
B Heat rejected
C Either (A) or (B)
D None of these
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents
A Heat absorbed
B Heat rejected
C Either heat absorbed or heat rejected
D None of these
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be
A Zero
B Minimum
C Maximum
D Infinity
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?
A Temperature - entropy
B Temperature - pressure
C Enthalpy - entropy
D Enthalpy - pressure
When an isolated thermodynamic system executes a process,
A Work is done
B Heat transfer takes place
C Mass flow occurs across the boundary of the system
D No chemical reaction takes place within the system
The measurement of a thermodynamic property known as temperature is based on
A First law of thermodynamics
B Second law of thermodynamics
C Zeroth law of thermodynamics
D None of these
Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
A Strain
B Stress
C Pressure
D Modulus of elasticity
There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called
A Wet steam
B Saturated steam
C Superheated steam
D Cushion steam
The basis for measuring thermodynamic property of temperature is given by
A Zeroth law of thermodynamics
B First law of thermodynamics
C Second law of thermodynamics
D Third law of thermodynamics

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