reduces the stopping distance
minimises the brake fade
maintains directional control during braking by preventing the wheels from locking
prevents nose dives du
✅ The correct answer is option C.
Mechanical Engineering MCQs
According to Indian standard specifications, a grey cast iron designated by ‘FG 200’ means that the
carbon content is 2%
maximum compressive strength is 200 N/mm2
minimum tensile strength is 200 N/mm2
maximum shear strength
✅ The correct answer is option C.
Which of the following statement is correct regarding petrol engines?
A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure.
The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug.
The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition.
all of the above
✅ The correct answer is option B.
The coefficient of venturifiume, generally, lies between
0.3 to 0.45
0.50 to 0.75
0.75 to 0.95
0.95 to 1.0
✅ The correct answer is option D.
The colour of exhaust from diesel engine is generally
white
bluish
black
violent
✅ The correct answer is option C.
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
die casting method
slush casting method
permanent mould casting method
centrifugal casting me
✅ The correct answer is option C.
A progressive limit gauge has
Go’ and ‘Not go’ member on the same side of the gauge
separate ‘Go’ and ‘Not go’ members
Go’ member at one end and ‘Not go’ member at the other end
none of the above
✅ The correct answer is option A.
The discharge through a nozzle is maximum for a certain value of exit pressure. This pressure is known as critical pressure.
Agree
Disagree
✅ The correct answer is option A.
The purpose of a thermostat in an engine cooling system is to
prevent the coolant from boiling
allow the engine to warm up quickly
indicate the coolant temperature
pressurise the system
✅ The correct answer is option B.
The correct sequence of phases in value engineering is
creative phase, information phase, investigation phase, evaluation phase
information phase, creative phase, investigation phase, evaluation phase
investigation phase, information phase, creative phase, evaluation phase
creative phase, invest
✅ The correct answer is option A.