This is Automobile Engineering MCQ page-24

Automobile Engineering MCQ page-24
Question 231:- The cranking compression pressure in a diesel engine is about (a) 1000 kPa (b) 2000 kPa (c) 3000 kPa (d) 10000 kPa

Question 232:- The cylinder temperature after compression in a diesel engine is approximately (a) 300°C (b) 450°C (c) 800°C (d) 1000°C

Question 233:- The ignition temperature of diesel fuel is about (a) 300°C (b) 400°C (c) 600°C (d) 800°C

Question 234:- The fuel feed pump in a diesel engine is mounted (a) on the fuel tank (b) on the injection pump (c) on the injector (d) inside the fuel tank

Question 235:- In some diesel engines injection pressures can reach as high as (a) 100 MPa (b) 200 MPa (c) 300 Mpa (d) 400 MPa

Question 236:- The fuel injection timing in a distributor type pump is controlled by (a) changing plunger stoke (b) changing speed of rotor (c) rotating the cam ring (d) changing the number of cams on the ring

Question 237:- The opening pressure of hole type nozzles varies from (a) 7-15 MPa (b) 11-22 MPa (c) 17-34 Mpa (d) 35-45 Mpa

Question 238:- The opening pressure of pintle type nozzles varies from (a) 7-15 MPa (b) 11-22 MPa (c) 17-34 Mpa (d) 35-45 Mpa

Question 239:- Secondary filter in a diesel engine is (a) a must (b) installed between the fuel tank and feed pump (c) optional (d) not capable of removing water from the fuel

Question 240:- A glow plug is (a) a decompression device (b) installed in the inlet manifold (c) screwed into the combustion chamber (d) used to plug the leakage of fuel