Which of the following statements are correct regarding power transmission through V-belts?1. V-belts are used at the high-speed end.2. V-belts are used at the low-speed end.3. V-belts are of standard lengths4. V-angles of pulleys and belts are standardized.Select the correct answer using the code given below

• A. 1 and 3 only
• B. 2 and 4 only
• C. 2, 3 and 4
• D. 1, 3 and 4