Doubtly
@Doubtly · Joined Feb 2021
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- Which one of the following property scopes is not supported by PHP? a) final b) static c) friendly d) public c) friendly corrrect is option 2
- How to define a function in PHP? a) functionName(parameters) {function body} b) function {function body} c) function functionName(parameters) {function body} 2
- Which of the following is the default file extension of PHP files? a) .php b) .ph c) .xml d) .html correct option is ) a .php Explanation: To run a PHP file on the server, it should be saved as myphp.php 1
- Which of the following is the correct way to add a comment in PHP code? d) All of the mentioned 2
- Which of the following is the correct syntax to write a PHP code? a) <?php ?> b) < php > c) < ? php ?> d) <? ?> The syntax for PHP code traditionally uses <?php ?> for opening and closing tags. However, PHP also supports a short form <? ?> for opening... 2
- What does PHP stand for? a) PHP stands for Preprocessor Home Page c) PHP stands for Hypertext Preprocessor 2
- Who is the father of PHP? a) Drek Kolkevi b) Rasmus Lerdorf c) Willam Makepiece d) List Barely b) Rasmus Lerdorf Rasmus Lerdorf is a Danish-Canadian programmer. He co-authored and inspired the PHP scripting language ! 1
- What is PHP? a) PHP is an open-source programming language d) All of the mentioned 2
- What are the key features of Python? Interpreted Dynamically-typed Data Science Object-oriented Concise and simple Free Has a large community 1
- Three right circular cylinders A, B and C are piled up in a rectangular channel as shown in figure. https://lh3.googleusercontent.com/-NDs3Rs17zcs/YelrxMR2D-I/AAAAAAAADNM/-f3toR6mfdMmcTzPPPlIZWnsWd9ckYNnQCNcBGAsYHQ/s16000/1.jpg Refer img fo... 1
- Two spheres A & B of weight 1000 N and 750 N respectively are kept as shown in the figure. Refer image for answer 1
- Determine the reaction points at constant 1,2 & 3. Assume smooth surfaces. α=tan⁻¹(0.9692) =44.1038 ^o R₁=19.75 N R₂=11.6237 N R₃=32.2493N 1
- A cylinder weighing 1000 N and 1.5 m diameter is supported by a beam AB of length 6 m and weight 400 N Answer:: Reaction at D is 1000N Tension is BC is 568.04N Hinge Reaction at A is 1163.9 N 1
- Determine the resultant of the given system of forces shown in fig find the point of application of resultant with https://lh3.googleusercontent.com/-EZSQfz4EX-U/YdxEse4QEQI/AAAAAAAADHk/XhlWZPW1EvggU9rL3qygoXevY-dIYsgfwCNcBGAsYHQ/image.png Refer img for a... 1
- A rigid bar is subjected to a system of parallel forces as shown. Reduce this system to 1) A single force https://lh3.googleusercontent.com/-JesrlokgTgg/YdxChWvhOYI/AAAAAAAADHU/fPe84GnbvRg1ovYRKLZQB0xk3XLxVD9dQCNcBGAsYHQ/image.png Refer img for a... 1
- A ring is pulled by three forces as shown in figure. Find the force F and the angle θ if resultant of these three forces θ=47.6^o 1
- The striker of carom board lying on the board is being pulled by four players as shown in the figure. R=29.09 N and θ =45.89^o https://lh3.googleusercontent.com/-UxqeJC9QNZ4/Ydv8lhg3S3I/AAAAAAAADGw/gze9dw27U5M0hKlTDhzoaeGIsOuY3WHPgCNcBGAsYHQ/... 1
- List a few examples of environmental degradation that you may have observed around you. The air quality is bad, many people in my neighbourhood suffer from respiratory problem. The river which flows from the city, looks like a d... 1