Why we don’t use 2-20mA, 1-20mA, 3-20mA or 10-50mA signal instead of 4-20mA ?
Answer : Generally, in a transistor some amount of voltage is required for turning it on…
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eInfochips interview questions and answers
27 posts
How to calculate the flow rate in Vortex flow meter ? What is K factor ? Can you give me an example calculation to understand the same as better ?
Answer : Vortex flow meters are flow sensors that detect the frequency of vortices…
Print pyramid triangle in C++
Answer : To print pyramid triangle in C++, we have use two for loop…
C++ Inheritance
Answer : Inheritance is one of the key features of Object-oriented programming…
Finding all substrings of a given number that are divisible by 11
Answer : Query(l, r) : find if the sub-string between the indices l and r….
What is the best way to sort an array of 0s and 1s ?
Answer : Sort an array elements means arrange…
Find Largest number from set of given numbers ?
Answer : Find number of digits in the largest number. Let us assume number of digits be n…
Find the wrong statement about Abstract Class ?
Answer : B. We can’t create pointers to an abstract class
A virtual function that has no definition within the base class is called ?
Answer : A. Pure virtual function
Which of the following statements about virtual base classes is correct ?
Answer : B. It is used to avoid multiple copies of base class in derived class.
Which of the following concepts means wrapping up of data and functions together ?
Answer : B. Encapsulation
Which of the following can access private data members or member functions of a class ?
Answer : C. Any member function of that class.
What is pure virtual function in C++ ?
Answer : A virtual function will become pure virtual function…
State whether the following statements about inheritance are True or False.
Answer : C. True, True
