Questions Portal for Students
1. Answer any two questions : 10 × 2 = 20 a) i) Establish the equation of motion for torsional oscillation. Derive an expression for the natural frequency of free torsional vibration. ii) When sound wave travels through a medium, the temperature of various points does not remain same. Why ? iii) What was the … Read more
What will be the output after the following statements? x = {‘year’: 2016, ‘month’: ‘March’} x.setdefault(‘day’, ‘Tuesday’) x.setdefault(‘day’, ‘Monday’) print(x) a. (‘day’, ‘Monday’) b. {‘day’: ‘Monday’, ‘month’: ‘March’} c. {‘day’: ‘Tuesday’, ‘month’: ‘March’, ‘year’: 2016} d. {‘day’: ‘Monday’, ‘month’: ‘March’, ‘year’: 2016} What will be the data type of x after the following statement? x … Read more
What will be the output after the following statements? x = [‘hot’, ‘100’, True] weather, humid = x print(weather, humid) a. ValueError b. hot 100 c. hot True d. hot 100 True What will be the output after the following statements? x = [‘hot’, ‘100’, True] x.remove(‘100’) weather, humid = x print(weather, humid) a. ValueError … Read more
What will be the output after the following statements? a = list(range(-10,5,2)) print(sum(a)) a. -24 b. 0 c. 24 d. 20 What will be the output after the following statements? x = [5, 4, 3, 2, 1] y = x.copy() x[0] = 6 print(y) a. [6, 4, 3, 2, 1] b. 6 c. [5, 4, … Read more
What will be the output after the following statements? x = [int(i**3/3) for i in range(0,5,2)] print(x) a. [0, 2, 36] b. [0, 2, 21] c. [0, 6, 2] d. [0, 2, 14] What will be the output after the following statements? x = [int(i/2-5) for i in range(3,8,2)] print(x) a. [-3, -2, -1] b. … Read more
What is the name of Python’s built-in module for mathematical statistics functions? a. mathstats b. statistics c. statmath d. statfunc What is the name of Python’s built-in module for subprocess management? a. sub b. mansub b. mansub c. submng d. subprocess What is the name of Python’s built-in module for Python’s configuration information? a. config … Read more
What will be the output after the following statements? b = 3 for a in range(10, 1): b -= a + 1 print(b) a. 7 b. 4 c. 3 d. 8 What will be the output after the following statements? b = 1 for a in range(1, 5): b *= a + 1 print(b) a. … Read more
What will be the output after the following statements? x = ‘2.7’ print(x.isdecimal()) a. True b. False c. 1 d. 0 What does the following statement do? x = open(‘python.csv’, ‘r’) a. Opens an existing text file named python.csv to write b. Opens an existing text file named python.csv to append c. Opens an existing … Read more
What does the following statements do?from datetime import *print(datetime.today().strftime(‘%x’))a. Displays the time appropriate for localeb. Displays the current year as 00 to 99c. Displays the current year as 0001 to 9999d. Displays the date appropriate for locale What does the following statements do?from datetime import *print(datetime.today().strftime(‘%X’))a. Displays the current year as 0001 to 9999b. Displays … Read more
What is printvar in the following statements? myvar = 5 def printvar() : print(myvar) printvar() a. A list b. A string c. An integer d. A function What will be the output after the following statements? myvar = 5 def printvar() : print(myvar, end =”) printvar() printvar() a. 55 b. 5 5 c. 5 d. … Read more