keeping the width uniform and varying the depth
keeping the depth uniform and varying the width
varying the width and depth both
any one of the above
✅ The correct answer is option D.
Mechanical Engineering MCQs
The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body)
any one of these
✅ The correct answer is option D.
The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of
Morse test
prony brake test
motoring test
heat balance test
✅ The correct answer is option A.
Product layout is also known as
analytical layout
synthetic layout
static product layout
none of these
✅ The correct answer is option B.
As the cutting speed increases, the tool cutting forces
remain constant
increases
decreases
first increases and th
✅ The correct answer is option C.
Transverse fillet welds are designed for
tensile strength
compressive strength
shear strength
bending strength
✅ The correct answer is option A.
The ratio of the workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam is called
blading efficiency
nozzle efficiency
stage efficiency
mechanical efficiency
✅ The correct answer is option C.
A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be
1.33
2.33
3.33
4.33
✅ The correct answer is option B.
Gas turbine as compared to internal combustion engine
can be driven at a very high speed
produces uniform torque
has more efficiency
all of these
✅ The correct answer is option D.
In a jet engine, the air-fuel ratio is
30:01:00
40:01:00
50:01:00
60:01:00
✅ The correct answer is option D.