A. a supercharger
B. a centrifugal blower
C. a vacuum chamber
D. an injection tube
E. forced chamber
Correct Answer: a vacuum chamber ✔
Last Updated: January 27, 2019
Related MCQs
- In the crankcase method of scavenging, the air pressure is produced by__________?
- In loop scavenging, the top of the piston is__________?
- A stoichiometric air-fuel ratio is__________?
- Which is more viscous lub oil__________?
- The air-fuel ratio in petrol engines-is controlled by__________?
- Pour point of fuel oil is the__________?
- For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of __________?
- Air fuel ratio for idling speed of a petrol engine is approximately__________?
- Which of the following is the lightest and most volatile liquid fuel__________?
- Installation of supercharger on a four-cycle diesel engine can result in the following percentage increase in power__________?
- The mean effective pressure obtained from engine indicator indicates the__________?
- In a typical medium speed 4 stroke cycle diesel engine__________?
- Supercharging is essential in__________?
- The reason for supercharging in any engine is to__________?
- The actual volume of fresh charge admitted in 4-stroke petrol engine is__________?
- The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be__________?
- Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following__________?
- The size of inlet valve of.an engine in comparison to exhaust valve is__________?
- The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is__________?
- Engine pistons ‘are usually made of aluminium alloy because it__________?
- In diesel engine, the compression ratio in comparison to expansion ratio is__________?
- Polymerisation is a chemical process in which molecules of a compound become__________?
- Gaseous-fuel guarantees are based on__________?
- A 75 cc engine has following parameter as 75 cc __________?
- When crude oil is heated, then which of the following hydrocarbon is given off first__________?
- Diesel fuel, compared to petrol is__________?
- The air-fuel ratio of the petrol engine is controlled by__________?
- The accunmulation of carbon in a cylinder results in increase of__________?
- The precess of breaking up or a lipuid into fine droplets by spraying is called__________?
- In a typical medium speed 4-stroke cycle diesel engine__________?
- The output of a diesel engine can be increased without increasing the engine revolution or size in following way__________?
- Which of the following is not an interns combustion engine__________?
- The air requirement of a petrol engine during starting compared to theoretical airequired for complete combustion is__________?
- The specific fuel consumption per BHP hour for diesel engine is approximately__________?
- Compression loss in I.C engines occurs due to__________?
- The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed__________?
- Combustion in compression ignition engines is__________?
- The thermal efficiecny of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will__________?
- If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the %age increase in efficiency will be__________?
- The pressure at the end of compression in the case of diesel engine is of the order of__________?
- In a typical medium speed 4-stroke cycle diesel engine the inlet valve__________?
- An engine indicator is used to determine the following__________?
- If the intake air temperature of I.C. engine increases, its efficiency will__________?
- The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called__________?
- In a diesel engine, the fuel is ignited by__________?
- The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is__________?
- Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged ?
- Scavenging air in diesel engine means__________?
- The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft__________?
- The knock in diesel engine occurs due to__________?
- A diesel engine has__________?