Home Engineering Thermodynamics (101-110)

Thermodynamics (101-110)

Engineering By · June 29, 2022 · 1 Comment
101.  Clog point of an oil is
A. The point of maximum contamination of oil B. The level of impurities beyond which oil ceases to flow
C. The temperature at which oil solidifies D. The temperature at which paraffin and waxes in oil start precipitating
E. None of the above    

Answer & Explanation

Answer: Option D

Explanation:

View Answer Workspace Report Discuss in Forum
102.  According to kinetic theory of heat
A. Temperature should rise during boiling B. Temperature should fall during freezing
C. At low temperatures all bodies are in solid state D. At absolute zero there is absolute no vibration of molecules
E. None of the above    

Answer & Explanation

Answer: Option D

Explanation:

View Answer Workspace Report Discuss in Forum
103.  The efficiency of a Carnot engine is given as 0.75. If the cycle direction is reversed, what will be the value of COP of reversed Carnot cycle
A. 0.75 B. 1.33
C. 0.33 D. 0.25
E. 4    

Answer & Explanation

Answer: Option C

Explanation:

View Answer Workspace Report Discuss in Forum
104.  When a direct current is passed through a junction of two dissimilar metals, the junction becomes either cold or hot. The phenomenon is known as
A. Peltier’s effect B. Seeback’s effect
C. Thompson effect D. Maxwell’s effect
E. Faraday’s law    

Answer & Explanation

Answer: Option A

Explanation:

View Answer Workspace Report Discuss in Forum
105.  The process that follows the equation pvn = constant, is called
A. Constant volume process B. Constant pressure process
C. Constant temperature process D. Adiabatic process
E. Polytropic process    

Answer & Explanation

Answer: Option E

Explanation:

View Answer Workspace Report Discuss in Forum
106.  The statement that the volume of a mixture of ideal gases is equal to the span of the partial volumes which the constituent gases would occupy if each existed alone at the pressure and temperature of the mixture, is known as
A. Maxwell’s law B. Leduc’s law
C. Daltons law D. Clapeyrons law
E. Clausius law    

Answer & Explanation

Answer: Option B

Explanation:

View Answer Workspace Report Discuss in Forum
107.  The relation of the vapour pressure to the enthalpy of vaporization is expressed in
A. Energy equation B. Van der Waal’s equation
C. Gas equation D. Maxwell’s equation
E. Clausius Clapeyron equation    

Answer & Explanation

Answer: Option E

Explanation:

View Answer Workspace Report Discuss in Forum
108.  The solubility of a gas in a liquid at small concentration is represented by
A. Henry’s law B. Roults law
C. Claperyon equation D. Van der Waal’s equation
E. Joules equation    

Answer & Explanation

Answer: Option A

Explanation:

View Answer Workspace Report Discuss in Forum
109.  The number of degrees of freedom in case of diatomic gases is
A. 2 B. 3
C. 4 D. 5
E. 6    

Answer & Explanation

Answer: Option D

Explanation:

View Answer Workspace Report Discuss in Forum
110.  In case of ideal monoatomic gas, the ratio of specific heats Cp/Cv would be
A. 1 B. 1.33
C. 1.4 D. 1.41
E. 1.67    

Answer & Explanation

Answer: Option E

Explanation:

View Answer Workspace Report Discuss in Forum




imran khan

Related Posts

Which of following statement is wrong

A mortise gauge is a

In a cold chamber die casting machine, only non-ferrous alloys with __ are casted.

The current in electric resistance welding can be regulated by

The cutting edge of a chisel should be

Most of the oxy-acetylene welding is done with

In electric resistance welding, voltage required for heating is

For welding plates of thickness more than 12.5 mm, its edges

This Post Has One Comment

  1. Pingback: Thermodynamics (111-120) - Just Mcqs

Leave a Reply

Your email address will not be published. Required fields are marked *