Doubtly
@Doubtly · Joined Feb 2021
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- Write a note on calomel electrode Answer: the calomel electrode is a secondary reference electrode made of mercury in contact with mercurous chloride (calomel, Hg₂Cl₂ ) and a... 1
- Define standard electrode potential Answer: the standard electrode potential ( E^° ) of an electrode is its potential measured relative to the standard hydrogen electrode (SHE,... 1
- Give the comparison between galvanizing and tinning Galvanizing Tinning Processof covering iron or steel,with a thin coat of ZINC to,prevent it from rusting. Process of coating steel with a,th... 1
- What is Cathodic protection? Explain impressed current method with diagram The principle involved in this method is to force the metal to be protected to behave like a cathode, thereby corrosion does not occur. Ther... 1
- Write short notes on Pitting corrosion b) stress corrosion c) Conc.cell d) Intergranular e) Galvanic cell. a) Pitting corrosion Pits are holes or cavities that are developed on the metal surface when the protective oxide film breaks. Around such p... 1
- Define Corrosion. Explain mechanism of corrosion by oxygen absorption mechanism Destruction or deterioration or disintegration of a metal by chemical or electrochemical reaction with its environment is called corrosion.... 1
- Explain the concept of nested structure with suitable example. Structure written inside another structure is called as nesting of two structures. Nested Structures are allowed in C Programming Language.... 1
- Write a program to store the information of student using structure. #include <stdio.h> struct student char name[50]; int roll; float marks; s[100]; int main() int i,n; struct student s[100]; printf("Enter tot... 1
- Explain pointer to pointer with example. Answer: a pointer to pointer (double pointer) is a variable that stores the address of another pointer variable. It is declared with two ast... 1
- Explain the difference between function call by value and function call by reference with suitable programmes. Sr. No Call by value Call by reference 1 In this case the value of the parameters is passed to the called function In this case the referenc... 1
- What is String? Explain any five string functions with example which is available in String.h. Answer: a string in C is an array of characters ending with the null character '\0'. The header string.h provides functions such as strlen,... 1
- Write a menu driven program and perform following operations on matrices such as transpose of matrix #include <stdio.h> #define MAX_SIZE 10 void read_matrix(int matrix[][MAX_SIZE], int rows, int cols) printf("Enter matrix elements:n"); for (... 1
- Write a recursive function and calculate factorial of inputted integer number. Answer: a recursive function calls itself with n-1 until it reaches the base case, using n! = n×(n-1)! and 0! = 1! = 1 . #include <stdio.h>... 1
- WAP to compute permutation and combination values using function. Answer: write a factorial function and two functions that use it: ⁿP_r = n!/(n-r)! and ⁿC_r = n!/r! (n-r)! . #include <stdio.h> long long fa... 1
- [physics] BOARD QUESTION PAPER: MARCH 2022 std 12th HSC pdf download Download PDF file 2
- Explain the storage classes with example. The different locations in the computer where we can store data and their accessibility, initial values etc. very based on the way they are... 1
- What are keywords ? List the keywords Keywords are some special words that have a predefined meaning for the C compiler. Hence, these words cannot be used as identifiers. These a... 2
- Engineering Drawing paper pattern , FE sem 2 Mumbai University Engineering Drawing paper pattern , FE sem 2 Mumbai University 1