131. The compression ratio of diesel engines are in the order of
132. A soil is saline if
133. A perfect gas at 27°C is heated at constant pressure till its volume is doubled. The final temperature in °C of the gas is
134. Kg of steam/kg of water vapour removed in an evaporator is called
135. If S is slip and Va is the actual travel speed and Vt is theoritical wheel speed when
136. The calorific value of HSD is
137. Objective of conservation tillage is to conserve
138. Size of seed drill is expressed by
139. . . . . . . . . % depletion of available moisture is optimum for ploughing.
140. In freeze drying the liquid phase occurs at the pressure above
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