Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Ramjet engine Rockets Propellers Turbojet engine Ramjet engine Rockets Propellers Turbojet engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, paraffin is usually used as the fuel because of its Low freezing point High calorific value Ease of atomisation Both (A) and (C) above Low freezing point High calorific value Ease of atomisation Both (A) and (C) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the false statement Gas turbine is a self starting unit Exhaust losses in gas turbine are high due to large mass flow rate Gas turbine does not require huge quantity of water like steam plant Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Gas turbine is a self starting unit Exhaust losses in gas turbine are high due to large mass flow rate Gas turbine does not require huge quantity of water like steam plant Overall efficiency of gas turbine plant is lower than that of a reciprocating engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the branch connections from compressed air lines should be taken from Top side of main Right side of main Bottom side of main Left side of main Top side of main Right side of main Bottom side of main Left side of main ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Backward curved blades has poor efficiency Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance Backward curved blades has poor efficiency Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For slow speed large capacity compressor, following type of valve will be best suited Poppet valve Disc or feather type Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Any of the above Poppet valve Disc or feather type Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Any of the above ANSWER DOWNLOAD EXAMIANS APP