Question 191. At forging temperature when a compressive force is applied on the material, it deforms

Question 192. Which process squeezes metals into peaks and troughs with plastic deformation?

Question 193. What is the average temperature required for hot forging of aluminium alloys?

Question 194. Which of the following operations is/are performed on a lathe machine?

Question 195. The radiation pyrometers work on the principle of ______

Question 196. On drilling machine, which process is known as reaming?

Question 197. The process of chamfering the entrance of a drilled hole is known as_____

Question 198. Which of the following statements is/are false for machine tools? 1. Pillar drilling machine drills holes up to 75 mm 2. Regulating wheel is a component of surface grinding machine 3. Sensitive drilling machine is also known as bench drilling machine 4. The chuck of an internal grinding machine placed in tailstock is driven by an electric motor

Question 199. According to Joule's law, the internal energy of a perfect gas is the function of absolute ______

Question 200. Which of the following relations depict relation between Celsius and Fahrenheit scale?