Yes
No
✅ The correct answer is option A.
Mechanical Engineering MCQs
The red flame during the operation of a bessemer converter indicates that the
air is burning out silicon and manganese
silicon and manganese has burned out and carbon has started oxidising
converter must be tilted to remove the contents of the converter
red flame does not occ
✅ The correct answer is option D.
When two non-parallel or intersecting but coplaner shafts are connected by gears, the arrangement is known as bevel gearing.
Correct
Incorrect
✅ The correct answer is option A.
The throw of the eccentric is equal to the valve travel.
Correct
Incorrect
✅ The correct answer is option B.
In a mixed flow reaction turbine, the flow of water is partly radial and partly axial.
Correct
Incorrect
✅ The correct answer is option A.
The ratio of brake power to the indicated power is known as
mechanical efficiency
overall efficiency
indicated thermal efficiency
brake thermal efficien
✅ The correct answer is option A.
In a wormed geared pulley block, if the number of teeth on the worm wheel is doubled, then its velocity ratio is also doubled.
TRUE
FALSE
✅ The correct answer is option A.
A steel alloy containing 36% nickel is called
stainless steel
high speed steel
invar
heat resisting steel
✅ The correct answer is option C.
The most efficient section of a channel is
triangular
rectangular
square
trapezoidal
✅ The correct answer is option D.