Sharecodepoint App Download Qrcode Sharecodepoint Android App Banner
Now You can search anything in sharecodepoint using your voice. Click on mic button. Sharecodepoint Voice Sharecodepoint Youtube Channel

Sharecodepoint popular queries

Thursday, 23 November 2017

CHE022 : Applied Chemistry - II Question paper - Diploma Electrical Engineering

Question 1 :
(a) what is the composition of Alnico? [2 marks]

(b)what do you mean by Pulverisation of ore? [2 marks]

(c)write atleast two internal measures for preventing corrosion. [2 marks]

(d)How pilling bed worths rule helps to decide nature of metal oxide layer? [2 marks]

(e)what is the principle of determmination of calorific value of a fuel by bomb calorimeter?[2 marks]

Question 2 : 
Give the composition,properties and uses of Nichrome and German Silver.[10 marks]

Question 3 : 
(a)Give the chemical reactions involved in extraction of iron.[10]

(b)Explain the froth floatation process of concentrating sulphide ores,with a labelled diagram.[5]

Question 4 : 
(a)what do you mean by Dry corrosion.Explain its mechanism. [5]

(b)Discuss in brief. 
(1)Galvanic corrosion.[5]
(2)Differential aeration corrosion.[5]

Question 5 :
(a)what are the advantages of gaseous fuels over solid fuels? [5] 

(b)write Dulongs formula with usual notations and calculate the higher calorific value (HCV)of coal sample containing 86% of C,10%of H and 4% of O in kilocalories per kilogram. [5]

(c)How petrol is rated by octane number?[5] 


Post a Comment


Version - 2016 - 2019 - © Sharecodepoint | Made in India. | Copyright Content