KPSC Water Resource Department Junior Engineer Mechanical Question Paper 2017 with Answer Key

76) When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

Answer is:

Zeroth law of thermodynamics

Explanation:

Zeroth law of thermodynamics : Zeroth law of thermodynamics states that, when two bodies are in thermal equilibrium with a third body. They are also in thermal equilibrium with each other.

77) A 70 kg woman walks on snow with a total foot imprint area of 500 cm2. What pressure does she exert on the snow ?

Answer is:

13.73 kN/square meter

78) The COP of a Carnot refrigeration cycle is greater than

Answer is:

79) When is Bernoulli's equation applicable between any two points in a flow field ?

Answer is:

The flow is steady, incompressible and irrotational

When is Bernoulli's equation applicable between any two points in a flow field ?

80) Compared to actual diameter, isometric diameter of a sphere is

Answer is:

76) When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

Zeroth law of thermodynamics

77) A 70 kg woman walks on snow with a total foot imprint area of 500 cm2. What pressure does she exert on the snow ?

13.73 kN/square meter

78) The COP of a Carnot refrigeration cycle is greater than

79) When is Bernoulli's equation applicable between any two points in a flow field ?

The flow is steady, incompressible and irrotational

80) Compared to actual diameter, isometric diameter of a sphere is

equal