List of practice Questions

For a certain gas, \( C_p = 29 \, {J/mol·K} \) and \( C_v = 21 \, {J/mol·K} \). What is the gas constant \( R \)?
Quantum dots are used in display technologies because they
% Question continued Emit light with size-tunable wavelengths
Which of the following techniques is used to determine particle sizes in the sub-nanometer range?
Which of the information is true regarding scanning electron microscopy?
Fugacity is a corrected pressure that:
Boltzmann's equation is:
Requirement of cross-slip movement of distortion?
Recuperators are more suitable than regenerators when:
The first law of thermodynamics is conservation of:
The role of a reducing agent in metallic nanomaterials synthesis is to?
Carnot engine consists of?
A furnace uses preheated air at 300°C instead of ambient air at 30°C. If fuel consumption reduces by 20%, the impact is:
In materials characterization, electron microscopy uses which property of electron?
A particle moves along a straight line with uniformly increasing acceleration. In the first 2 seconds, it covers 10 meters, and in the next 2 seconds it covers 30 meters. Which of the following statements is correct?
The slope of the stress-strain curve in the elastic deformation region is
Which of the following is a dimensionless number related to heat conduction?
The efficiency of a furnace is generally defined as:
Maximum shear stress in a circular shaft under torque is at:
High elastic modulus in material arises from?
Nusselt number is a function of:
In bending, the stress is maximum at:
A Salt Bath Furnace provides heat transfer primarily by:
In plane Couette flow, the flow is generated by:
The ceramic that can be used as a cutting tool?
The third law of thermodynamics states that in the limit \( T \to 0 \)?