low weight per tonne of refrigeration
high heat transfer rate
low temperature at high altitudes
higher coefficient of
✅ The correct answer is option A.
Engineering MCQs
The strength is the ability of a material to resist
deformation under stress
externally applied forces with breakdown or yielding
fracture due to high impact loads
none of these
✅ The correct answer is option B.
In sheet metal work, the cutting force on the tool can be reduced by
grinding the cutting edges sharp
increasing the hardness of tool
providing shear on tool
increasing the hardnes
✅ The correct answer is option A.
The two reference fuels used for cetane rating are
cetane and iso-octane
cetane and alpha-methyl naphthalene
cetane and normal heptane
cetane and tetra ethyl
✅ The correct answer is option B.
The knocking tendency in compression ignition engines for a given fuel will be
enhanced by decreasing compression ratio
enhanced by increasing compression ratio
dependent on other factors
none of the above
✅ The correct answer is option A.
Scotch yoke mechanism is used to generate
sine functions
square roots
logarithms
inversions
✅ The correct answer is option A.
The boiling point of Diesel fuel is in the range of
70°C to 100°C
100°C to 120°C
120°C to 180°C
180°C to 360 °C
✅ The correct answer is option D.
To prevent the body of the blade from jamming in the saw cut, the teeth of blade are
strengthened
sharpened
set
all of these
✅ The correct answer is option C.
The internal flue tubes of a Lancashire boiler are reduced in diameter at the back to provide access to the lower part of the boiler.
TRUE
FALSE
✅ The correct answer is option A.
A Kaplan turbine is an axial flow reaction turbine.
Correct
Incorrect
✅ The correct answer is option A.