Internal Combustion Engines
When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as

Centre of pressure
Centre of buoyancy
Centre of gravity
Metacentre

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
Flash point of fuel oil is

Temperature at which it catches fire without external aid
Indicated by 90% distillation temperature, i.e. when 90% of sample oil has distilled off
Temperature at which it solidifies or congeals
Minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
Which one of the following engines will have heavier flywheel than the remaining ones?

30 kW two-stroke diesel engine running at 750 r.p.m.
30 kW four-stroke diesel engine running at 750 r.p.m.
30 kW four-stroke petrol engine running at 1500 r.p.m.
30 kW two-stroke petrol engine running at 1500 r.p.m.

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
Pick up the wrong statement about supercharging

There can be limited supercharging in petrol engines because of detonation
Supercharging reduces knocking in diesel engines
Supercharging at high altitudes is essential
Supercharging results in fuel economy

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Internal Combustion Engines