MCQ on Thermodynamics systems

Which of the following is true for an adiabatic process?

State true or false: The mixture of air and liquid air is a pure substance.

The first law of thermodynamics states that____.

Heat flow into a system is taken to be ___.

A diathermic wall is _____.

Which of the following is the intensive property?

A is in thermal equilibrium with a body B. A is also in thermal equilibrium with a body C. Then B and C will be in thermal equilibrium with each other as per ________.

Which one of the following is true for an isolated system?

Work done in a free expansion process is

Properties of substances such as pressure and temperature in thermodynamic coordinates are___.

Which of the following law leads to the new property, known as entropy?

When there is a flow of energy with the surrounding, but there is no mass exchange; then the system is called as________.

When a system exchanges neither energy nor mass, it is a/an_______.

Which of the following is true in an adiabatic system?

A pure substance is a substance which is chemically___________and _______in chemical composition.

The point in a phase diagram where three phases can coexist in equilibrium is known as_____.

The triple point of water is_______.

The temperature of compressed liquid is ____________

The critical pressure and temperature of water is_________.

Find the force exerted by 150 kg, because of gravity at a location where the gravitational acceleration is 9.80 m/sec^2.