MDCAT Physics Chapter 5 Thermodynamics Online Test

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  • Chapter NameHeat and Thermodynamics
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MDCAT Physics Chapter 5 Thermodynamics Online Test

  • Total Questions20

  • Time Allowed20

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MDCAT Physics Chapter 5 Thermodynamics Online Test

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Question # 1

In which process, the change in internal energy of the system of zero:

Question # 2

For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:

Question # 3

Petrol engine coverts ____________ of available heat energy into work.

Question # 4

Carnot engine is ____________ heat engine.

Question # 5

A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:

Question # 6

A process which is carried at constant temperature and Boyle's law can be applied is called:

Question # 7

In which process the change in internal energy of the system is zero:

Question # 8

The ideal gas obey gas law at:

Question # 9

No entropy change is associated with:

Question # 10

The motion of molecules in gases i:

Question # 11

As the working substance of a heat engine completes a cycle, there is no change in:

Question # 12

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

Question # 13

Truth of kinetic energy theory is confirmed by:

Question # 14

Only those processes are probable to take place for which entropy os the system:

Question # 15

The pressure exerted on the walls on the vessel by gas molecules is defined as:

Question # 16

In an ideal gas, the molecules have:

Question # 17

No of spark plugs needed in diesel engine is:

Question # 18

Hotness and coldness of an object is represented in terms of:

Question # 19

The value of universal gas constant R is:

Question # 20

Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.

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