Question
Q1. a glass bulb is connected to an open limb manometer. The level of mercury in both the limbs of the manometer was same. The bulb was heated to 57C. If the room temperature and atmospheric pressure were 27C and 750 mm, the difference of levels in the two limbs now will be : A. 2.5 cm B. 5.0 cm C. 7.5 cm D. 10.0 cm Q2. Air vessel at 127C is heated until 1/5th of air in it has been expelled. Assuming that the volume of vessel remains constant the temperature to which the vessel has been heated is A. 177C B. 277C C. 377C D. 227C