TRUE
FALSE
✅ The correct answer is option A.
Engineering MCQs
Those substances which have so far not been resolved by any means into other substances of simpler form are called
elements
compounds
atoms
molecules
✅ The correct answer is option A.
High speed steel tools retain their hardness upto a temperature of
250°C
350°C
500°C
900°C
✅ The correct answer is option D.
In the above question, the normal stress on an oblique section will be maximum, when θ is equal to
0°
30°
45°
90°
✅ The correct answer is option A.
Idler pulley is used for
increasing velocity ratio
for applying tension
changing the direction of motion of belt
all of these
✅ The correct answer is option B.
The ignition coil is used to
step up current
step down current
step up voltage
step down voltage
✅ The correct answer is option C.
The unit of thermal diffusivity is
m/hK
m/h
m2/h
m2/hK
✅ The correct answer is option C.
During sensible cooling of air, specific humidity
remains constant
increases
decreases
✅ The correct answer is option A.
The load at which the column just buckles, is known as
buckling load
critical load
crippling load
any one of these
✅ The correct answer is option D.