A machine used to raise the pressure of air is called? Mark as favorite Copy Link gas turbine I.C. engine compressor air motor Check Answer
When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be? Mark as favorite Copy Link forward curved backward curved radial none of these Check Answer
Which of the following statement is wrong? Mark as favorite Copy Link In a two stage reciprocating air compressor with complete intercooling, maximum work is saved The minimum work required for a two stage reciprocating air compressor is double the work required for each stage The ratio of the volume of free air delivery per stroke to the swept volume of the piston is called volumetric efficiency none of the above Check Answer
In a single stage, single acting reciprocating air compressor without clearance volume. the workdone is maximum during ance volume? Mark as favorite Copy Link isothermal compression isentropic compression polytropic compression none of these Check Answer
In a single stage, single acting reciprocating air compressor, without clearance volume, the workdone is minimum during? Mark as favorite Copy Link isothermal compression isentropic compression polytropic compression none of these Check Answer
In a double acting compressor, the air is compressed? Mark as favorite Copy Link in one cylinder in two cylinders in a single cylinder on both sides of the piston in two cylinders on both sides of the piston Check Answer
The absolute pressure of air at the outlet of a compressor is called? Mark as favorite Copy Link back pressure critical pressure discharge pressure none of these Check Answer
In a centrifugal compressor, the flow of air is …………. to the axis of compressor? Mark as favorite Copy Link parallel perpendicular inclined none of these Check Answer
The positive displacement compressor is? Mark as favorite Copy Link roots blower compressor vane blower compressor centrifugal blower compressor both a and b Check Answer
The mass of gas turbine per kW developed is about …………. as that of an I.C. engine? Mark as favorite Copy Link same one-half one-fourth one-sixth Check Answer