Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.7 0.3 0.15 0.5 0.7 0.3 0.15 0.5 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇H₁₆) is given a rating of ________ octane number. 120 0 50 100 120 0 50 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding normal cetane? Its chemical name is normal hexadecane All of these It is a standard fuel used for knock rating of diesel engines It has long carbon chain structure Its chemical name is normal hexadecane All of these It is a standard fuel used for knock rating of diesel engines It has long carbon chain structure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct mixture of air and petrol is 15 : 1 20 : 1 25 : 1 10 : 1 15 : 1 20 : 1 25 : 1 10 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is All of these To satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful To determine the information, which cannot be obtained by calculations All of these To satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful To determine the information, which cannot be obtained by calculations ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
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