Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

If a line is considered with negligible power losses, then the real power transmitted will be proportional to voltage drop and the reactive power drop is proportional to cosδ.

A. True
B. False
Answer» C.
2.

What will be the output of the following program?

A. (cons NIL NIL)
B. T
C. NIL
D. ErrorView Answer
Answer» C. NIL
3.

What will be the output of the following statement?

A. Error due to T and NIL are not lists
B. T
C. NIL
D. T . NILView Answer
Answer» C. NIL
4.

What is the output of the following LISP statement? (NOTE: Here * refers to a new line)

A. NIL . NIL
B. ERROR
C. T . NIL
D. NILView Answer
E. a) NIL . NILb) ERRORc) T . NILd) NILView Answer
Answer» E. a) NIL . NILb) ERRORc) T . NILd) NILView Answer
5.

What is the output of the following LISP statement?

A. T
B. NIL
C. Number is too large
D. ErrorView Answer
Answer» B. NIL
6.

What will be the output of the following LISP statement?

A. T
B. NIL
C. error
D. 0View Answer
Answer» D. 0View Answer
7.

Which of the following is used by member primitive to compare arguments?

A. =
B. equalp
C. equal
D. eql
Answer» E.
8.

If the maximum value of the current is 5√2 A, what will be the value of the average current?

A. 10/π A
B. 5/π A
C. 15/π A
D. 25/π A
Answer» B. 5/π A
9.

What is the value of the form factor for sinusoidal current?

A. π/2
B. π/4
C.
D. π/√2
Answer» B. π/4
10.

For a direct current, the rms voltage is ________ the mean voltage.

A. Greater than
B. Less than
C. Equal to
D. Not related to
Answer» D. Not related to
11.

Average value of current over a full cycle is?

A. 0.67Im
B. 0
C. 6.7Im
D. 3.3Im
Answer» C. 6.7Im
12.

If maximum value of current is 5√2 A, what will be the value of RMS current?

A. 10 A
B. 5 A
C. 15 A
D. 25 A
Answer» C. 15 A
13.

All relational operators operate on _______________

A. only real part of complex numbers
B. only imaginary part of complex numbers
C. complex numbers
D. numbers which are not complex
Answer» B. only imaginary part of complex numbers
14.

The precedence of Transpose operation is ____________

A. after &
B. after |
C. before .^
D. after ^
Answer» D. after ^
15.

The precedence of : operator is after | and before &.

A. True
B. False
Answer» C.
16.

All logical operators operate on at least two operands.

A. True
B. False
Answer» C.
17.

The ~ is ______

A. Quaternary operator
B. Relational Operator
C. Arithmetic Operator
D. Unary Operator
Answer» E.
18.

‘=’ is a?

A. Relational operator
B. Arithmetic operator
C. Operational operator
D. Assignment operator
Answer» E.
19.

The frame size is designated by a number which is its centre height expressed in mm.

A. true
B. false
Answer» B. false
20.

What is the range of the central heights used in the standard frames?

A. 50-1000 mm
B. 90-1000 mm
C. 100-1000 mm
D. 56-1000 mm
Answer» E.
21.

What is the value of the alternative core lengths below which variation in rating can be obtained?

A. 0.7 * length
B. 0.4 * length
C. 0.3 * length
D. 0.7 * length or 0.5 * length
Answer» E.
22.

How can the variation in ratings be obtained?

A. alternative windings
B. alternative core lengths
C. alternative pole pitch
D. alternative pole length
Answer» C. alternative pole pitch
23.

The core length should be high to obtain high short circuit ratio.

A. true
B. false
Answer» B. false
24.

What is the formula of the core length?

A. core length = pole length * pole pitch
B. core length = pole length / pole pitch
C. core length = pole length + pole pitch
D. core length = pole length – pole pitch
Answer» C. core length = pole length + pole pitch
25.

A particular solution for an equation is derived by eliminating arbitrary constants.

A. True
B. False
Answer» C.
26.

Separation of variables was first used by L’Hospital in 1750.

A. False
B. True
Answer» C.
27.

The symbol used for partial derivatives, ∂, was first used in mathematics by Marquis de Condorcet.

A. True
B. False
Answer» B. False
28.

u (x, t) = e − 2π*2t*sin πx is the solution of the two-dimensional Laplace equation.

A. True
B. False
Answer» C.
29.

What is the solution of, \(\frac{∂^2 u}{∂x^2}=2xe^t,\) after applying method of separation of variables \((u(0,t)=t,\frac{∂u}{∂x} (0,t)= e^t)\)?

A. \(u=\frac{x^3}{3} e^t+xe^t \)
B. \(u=\frac{x^3}{3} e^t+xe^t+t\)
C. \(u=\frac{x^3}{3} e^t+e^t+t\)
D. \(u=\frac{x^2}{2} e^t+xe^t+t\)
Answer» C. \(u=\frac{x^3}{3} e^t+e^t+t\)
30.

For a partial differential equation, in a function φ (x, y) and two variables x, y, what is the form obtained after separation of variables is applied?

A. Φ (x, y) = X(x)+Y(y)
B. Φ (x, y) = X(x)-Y(y)
C. Φ (x, y) = X(x)Y(y)
D. Φ (x, y) = X(x)/Y(y)
Answer» D. Φ (x, y) = X(x)/Y(y)
31.

The matrix form of the separation of variables is the Kronecker sum.

A. True
B. False
Answer» B. False
32.

Which of the following equations cannot be solved by using the method of separation of variables?

A. Laplace Equation
B. Helmholtz Equation
C. Alpha Equation
D. Biharmonic Equation
Answer» D. Biharmonic Equation
33.

Separation of variables, in mathematics, is also known as Fourier method.

A. False
B. True
Answer» C.
34.

By using the method of separation of variables, the determination of solution to P.D.E. reduces to determination of solution to O.D.E.

A. True
B. False
Answer» B. False
35.

The following figure represents which type of adhesive bonded joint?

A. Butt unsatisfactory
B. Plain lap good
C. Beveled lap excellent
D. Scarf better
Answer» B. Plain lap good
36.

What is the time complexity of the following recursive implementation of linear search?

A. O(1)
B. O(n)
C. O(n2)
D. O(n3)View Answer
Answer» C. O(n2)
37.

How many times is the function linear_search() called when the following code is executed?

A. 5
B. 6
C. 7
D. 8View Answer
Answer» C. 7
38.

Consider the following recursive implementation of linear search on a linked list: Which of the following lines should be inserted to complete the above code?

A. 1
B. 0
C. linear_search(temp, value)
D. linear_search(temp->next, valu
E. linear_search(temp->next, value)View Answer
Answer» E. linear_search(temp->next, value)View Answer
39.

What will be time complexity when binary search is applied on a linked list?

A. O(1)
B. O(n)
C. O(n2)
D. O(n3)
Answer» C. O(n2)
40.

What is the time complexity of the following implementation of linear search on a linked list?

A. O(1)
B. O(n)
C. O(n2)
D. O(n3)View Answer
Answer» C. O(n2)
41.

What is the output of the following code?

A. Found
B. Not found
C. Compile time error
D. Runtime errorView Answer
Answer» C. Compile time error
42.

What does the following code do?

A. Finds the index of the first occurrence of a number in a linked list
B. Finds the index of the last occurrence of a number in a linked list
C. Checks if a number is present in a linked list
D. Checks whether the given list is sorted or notView Answer
Answer» D. Checks whether the given list is sorted or notView Answer
43.

Consider the following code snippet to search an element in a linked list: Which of the following lines should be inserted to complete the above code?

A. temp = next
B. temp->next = temp
C. temp = temp->next
D. return 0View Answer
Answer» D. return 0View Answer
44.

Which of the following methods can be used to search an element in a linked list?

A. Iterative linear search
B. Iterative binary search
C. Recursive binary search
D. Normal binary search
Answer» B. Iterative binary search
45.

What will be the output of the following Java program?

A. 0
B. 1
C. 6
D. 25View Answer
Answer» D. 25View Answer
46.

Which of these statement is incorrect?

A. Two or more methods with same name can be differentiated on the basis of their parameters data type
B. Two or more method having same name can be differentiated on basis of number of parameters
C. Any already defined method in java library can be defined again in the program with different data type of parameters
D. If a method is returning a value the calling statement must have a variable to store that value
Answer» E.
47.

Which of these data type can be used for a method having a return statement in it?

A. void
B. int
C. float
D. both int and float
Answer» E.
48.

What is the process of defining more than one method in a class differentiated by parameters?

A. Function overriding
B. Function overloading
C. Function doubling
D. None of the mentioned
Answer» C. Function doubling
49.

Which of these is the method which is executed first before execution of any other thing takes place in a program?

A. main method
B. finalize method
C. static method
D. private method
Answer» D. private method
50.

Which of the following transactions can multiversion two phase locking protocol not differentiate.

A. Read only transactions
B. Update transactions
C. All of the mentioned
D. Double operator transactions
Answer» E.