automatic ignition of the charge at the end of compression
ignition induced by the passage of a spark
ignition of the charge before the passage of flame front
ignition induced to su
✅ The correct answer is option C.
Engineering MCQs
The power transmitted by a belt is maximum when the maximum tension in the belt is __________ of centrifugal tension.
one-third
two-third
double
three times
✅ The correct answer is option D.
The unbalanced primary forces in a reciprocating engine are
balanced completely
balanced partially
balanced by secondary forces
not balanced
✅ The correct answer is option B.
The fatigue stress concentration factor is defined as
the ratio of endurance limit with stress concentration to the endurance limit without stress concentration
the ratio of endurance limit without stress concentration to the endurance limit with stress concentration
the product of the endurance limits with and without stress concentration
all of the above
✅ The correct answer is option B.
In case of a Diesel car, the pressure at the end of compression is of the order of
15 bar
25 bar
35 bar
45 bar
✅ The correct answer is option D.
The addition of manganese to aluminium improves corrosion resistance.
Correct
Incorrect
✅ The correct answer is option A.
The efficiency of a riveted joint is the ratio of the strength of the joint to the strength of the solid plate.
TRUE
FALSE
✅ The correct answer is option A.
When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a
lower pair
higher pair
self-closed pair
force-closed pair
✅ The correct answer is option D.
The materials used for cylinder block are
cast iron and steel
cast iron and aluminium alloy
steel and aluminium alloy
brass and steel
✅ The correct answer is option B.
The heat of sun reaches to us according to
conduction
convection
radiation
none of these
✅ The correct answer is option C.