✅ The correct answer is option A.
Mechanical Engineering MCQs
The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is
equal to 1
less than 2
equal to 2
greater than 2
✅ The correct answer is option D.
The nozzle efficiency is the ratio of
workdone on the blades to the energy supplied to the blades
workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam
energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam
none of the above
✅ The correct answer is option C.
Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is
bh3/4
bh3/8
bh3/ 12
bh3/ 36
✅ The correct answer is option C.
When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the
initial tension
external load applied
sum of the initial tension and external load applied
initial tension or ext
✅ The correct answer is option D.
In air compressors, free air delivery means the
actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions
volume of air delivered by the compressor
volume of air sucked by the compressor during its suction stroke
none of the above
✅ The correct answer is option A.
The centre of gravity of a coupler link in a four bar mechanism will experience
no acceleration
only linear acceleration
only angular acceleration
both linear and angula
✅ The correct answer is option D.
The drier in a refrigeration system removes moisture in the system.
Correct
Incorrect
✅ The correct answer is option A.
The centre to centre distance between two consecutive rivets in a row, is called
margin
pitch
back pitch
diagonal pitch
✅ The correct answer is option B.
Chemical milling operation is performed
on universal milling machine
on plain milling machine
in a tank containing an etching solution
any one of these
✅ The correct answer is option C.