Engineering Chemistry Determination Calorific Value Solid Non Volatile Liquid Fuels 1 Online Exam Quiz
Engineering Chemistry Determination Calorific Value Solid Non Volatile Liquid Fuels 1 GK Quiz. Question and Answers related to Engineering Chemistry Determination Calorific Value Solid Non Volatile Liquid Fuels 1. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Determination Calorific Value Solid Non Volatile Liquid Fuels 1
Which material is used for making the wires, which are connected to the crucible containing fuel sample?
Options
A : Arsenic
B : Phosphorous
C : Sulphur
D : Magnesium
Which material is used in the making of the cylindrical bomb?
Options
A : Carbon steels
B : Alloy steels
C : Ferritic stainless steels
D : Austenitic stainless steels
What is the role of the small ring attached to the electrode in a bomb?
Options
A : It acts as a support to the crucible
B : It is used to connect the electrode and the crucible
C : It is used as an intermediate for magnesium wire
D : It helps to collect the fuel at a point in the crucible
Why only Beckmann or fixed zero thermometer are used to note down the temperature reading?
Options
A : Since they can read temperature difference upto 1/100th of a degree
B : Since they have a high mercury level
C : Since they give a precise value of the temperature
D : Since they give accurate readings when dissolved in water
What is the use of a bomb calorimeter?
Options
A : To calculate the calorific value of a volatile liquid
B : To calculate the calorific value of a gas
C : To calculate the calorific value of a non-volatile liquid
D : To calculate the calorific value of sparingly soluble salt
Why does bomb calorimeter require high pressure oxygen?
Options
A : To increase the rate of reaction
B : To ensure that the given sample in the crucible burns completely
C : To increase the ignition temperature
D : To increase the kinetic energy
What is the use of gas releasing pin in the bomb?
Options
A : To remove the oxygen gas from the bomb
B : To release the pressure from the bomb
C : To release the water vapour
D : To remove the carbon containing gases (such as CH4, CO2 etc)
Why does the copper calorimeter surrounded by an air jacket and water jacket respectively in a bomb?
Options
A : To resist the calorimeter with moisture particles
B : To carry out the process of combustion
C : To prevent the loss of heat due to radiation
D : To provide stability to the crucible inside the bomb
What is the basic formulae for calculating gross calorific value in bomb calorimeter?
Options
A : ? = [(W+w)(t2+t1)]/m
B : ? = [(W-w)(t2-t1)]/m
C : ? = [(W+w)(t2-t1)]/m
D : ? = [(W+w)(t2+t1)]/m
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