21 Questions
What is the objective of Experiment A?
To show the inverse square law for heat radiation
According to the Stefan-Boltzmann law, what does 'qb' represent?
The energy emitted by unit area of a black body surface
What does the solid angle subtended by dA at dA1 at dA represent?
The intercepted area on a sphere divided by r^2
What is plotted against distance in Experiment A?
Radiometer reading
What is the source temperature represented by in the Stefan-Boltzmann law?
Temperature Reading (Ts), 0 C
What is the main objective of Experiment 10?
To investigate the Stefan-Boltzmann Law
What does the Radiation Heat Transfer Rig consist of?
A pair of electrically heated radiant heat and light sources, along with targets and measuring instruments
What can be placed between the heat radiation source and the light source in the Radiation Heat Transfer Rig?
A heat radiation detector or a light meter
What are the accessories that can be fitted for various experimental purposes in the Radiation Heat Transfer Rig?
Metal plates with thermocouples attached, vertically oriented metal plates, and acrylic filters
What enables the radiation detectors and accessories to be positioned at different distances from the appropriate source in the Radiation Heat Transfer Rig?
A scale mounted on the front track
What does the unit consist of in the Radiation Heat Transfer Rig?
A horizontal bench mounted track fitted with a pair of electrically heated radiant heat and light sources, along with targets and measuring instruments
What does the Stefan-Boltzman law state?
Energy emitted by unit area of a black body surface varies as the fourth power of the source temperature.
What is the objective of Experiment A?
To show that tile intensity of radiation on a surface is inversely proportional to the square of the distance from the radiation source.
What is plotted against distance in Experiment A?
Radiometer reading
What does the solid angle subtended by dA at dA1 represent?
The intercepted area on a sphere divided by r^2.
According to the text, what is represented by 'qb' in the Stefan-Boltzman law?
Energy emitted by unit area of a black body surface
In Experiment B, what are the distances set to initially?
110 mm (radiometer to heat source) and 50 mm (black plate to heat source)
What does 'σ' represent in the Stefan-Boltzman law?
Stefan-Boltzman constant
What should be allowed before noting the radiometer reading in Experiment A?
Allow time for radiometer reading to stabilize
'dQ1' in Experiment A is directly proportional to which factor?
'iφ'
What are measured simultaneously in Experiment B?
Temperature and radiometer reading
This quiz covers the concepts and objectives of Experiment 10 in the Chemical Engineering Laboratory II at Universiti Sains Malaysia. Topics include the Inverse Square Law for Heat, Stefan-Boltzmann Law, Kirchoff’s Law, Area Factors, Inverse Square Law for light, Lambert’s Cosine Law, and Lambert’s Law of Absorption.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
