In a Diesel engine, during combustion the pressure may increase at a range of

A 55 - 75 atm
B 15 - 20 atm
C 10 - 15 atm
D 20 - 30 atm

Correct Answer: 55 - 75 atm

Nicolaus Copernicus was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe, and that the Earth, spinning on its axis once daily, revolves annually around the Sun. This is called the heliocentric, or Sun - centered, system.
Bissoy MCQ
#সাধারণ বিজ্ঞান #কাজ #Bangladesh Bank #Assistant Director (Engineering -Mechanical) | 11.01.2019 #ক্ষমতা ও শক্তি

Related Questions

In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as
A Scavenging
B Detonation
C Supercharging
D Polymerisation
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of
A 250°C
B 500°C
C 1000°C
D 2000°C
In the opposed piston diesel engine, the combustion chamber is located
A Above the piston
B Below the piston
C Between the pistons
D There is no such criterion
The combustion process in a Diesel engine is a
A Constant volume process
B Constant pressure process
C Constant temperature process
D Adiabatic process
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.
A Low
B Very low
C High
D Very high
Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature.
A More than
B Less than
C Same as
D Either more or less; depends on the room temperature
In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
A equal to
B below
C above
D middle
The output of a diesel engine can be increased without increasing the engine revolution or size in following way
A Feeding more fuel
B Heating incoming air
C Scavenging
D Supercharging
The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is
A Same
B More
C Less
D Less or more depending on operating conditions
The compression ratio in petrol engine is kept less than in Diesel engine because
A It makes petrol engines lighter
B Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
C Less compression ratio gives better performance
D It is just customary to have less compression ratio in petrol engines

Next steps