mechanical-engineering-compressors-gas-dynamics-and-gas-turbines Related Question Answers
126. A simple turbo-jet engine is basically a gas turbine engine equipped with a propulsive nozzle and diffuser.
127. If the flow of air through the compressor is parallel to its axis, then the compressor is
128. The volumetric efficiency of the compressor is defined as the ratio of volume of free air delivery per stroke to the swept volume of the piston.
131. The gas used in fire extinguishers is:?
132. Volumetric efficiency of a compressor decreases with __________ in compression ratio.
133. The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
134. The speed of rotary air compressor is __________ as compared to reciprocating air compressor.
135. When air is to be compressed at a high pressure, then it is advantageous to use
136. The absolute pressure of air at the outlet of a compressor is called
137. The degree of reaction is usually kept __________ for all types of axial flow compressors.
138. Standard air is the air at __________ and relative humidity of 36 percent.
139. In a single stage, single acting reciprocating air compressor without clearance volume, the workdone is maximum during
140. The compressor capacity is defined as the
142. The operation of the reciprocating air motor is similar to reciprocating air compressor.
143. The volume of air sucked by the compressor during its suction stroke is called
145. ‘Arrears’ best means :?
146. The volumetric efficiency of a compressor
147. Reheating in a multi-stage expansion gas turbine __________ compressor work.
148. The multi-stage compression ofair as compared to single stage compression
149. Which one of the following is the effect of blade shape on performance of a centrifugal compressor ?
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