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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

Properties of substances like pressure, temperature and density, in thermodynamic coordinates are__________________?

A path functions

B point functions

C cyclic functions

D real functions

Review Detailed Answer

Correct Answer: point functions

Which of the following is not the intensive property___________________?

A pressure

B temperature

C density

D heat

Review Detailed Answer

Correct Answer: heat

Work done in an adiabatic process between a given pair of end states depends on__________________?

A the end states only

B particular adiabatic process

C the value of index n

D the value of heattransferred

Review Detailed Answer

Correct Answer: the end states only

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?

A enthalpy

B volume

C mass

D entropy

Review Detailed Answer

Correct Answer: volume

Solids and liquids have___________________?

A one value of specific heat (ft) two values of specific heat

C three values of specific heat

D no value of specific heat

Review Detailed Answer

Correct Answer: one value of specific heat (ft) two values of specific heat

The index of compression n tends to reach ratio of specific heats y when____________________?

A flow is uniform and steady

B process is isentropic

C process is isothermal

D process is isentropic and specific heat does not change with temperature

Review Detailed Answer

Correct Answer: process is isentropic

The term N.T.P. stands for________________________?

A nominal temperature and pressure

B natural temperature and pressure

C normal temperature and pressure

D normal thermodynamic practice

Review Detailed Answer

Correct Answer: normal temperature and pressure

In an isothermal process, the internal energy of gas molecules________________?

A increases

B decreases

C remains constant

D may increase/decrease depending on the properties of gas

Review Detailed Answer

Correct Answer: remains constant

If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be__________________?

A 80°C

B 0°C

C 40°C

D 20°C

Review Detailed Answer

Correct Answer: 0°C

One watt is equal to__________________?

A 1 Nm/s

B 1 N/mt

C 1 Nm/hr

D 1 kNm/hr

Review Detailed Answer

Correct Answer: 1 Nm/s

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

Properties of substances like pressure, temperature and density, in thermodynamic coordinates are__________________?

Which of the following is not the intensive property___________________?

Work done in an adiabatic process between a given pair of end states depends on__________________?

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?

Solids and liquids have___________________?

The index of compression n tends to reach ratio of specific heats y when____________________?

The term N.T.P. stands for________________________?

In an isothermal process, the internal energy of gas molecules________________?

If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be__________________?

One watt is equal to__________________?