nickel steel
chrome steel
nickel-chrome steel
high speed steel
✅ The correct answer is option D.
Engineering MCQs
The overall efficiency for a Pelton wheel lies between
0.50 to 0.65
0.65 to 0.75
0.75 to 0.85
0.85 to 0.90
✅ The correct answer is option D.
In a kinematic chain, a quaternary joint is equivalent to
one binary joint
two binary joints
three binary joints
four binary joints
✅ The correct answer is option C.
The water tubes in a simple vertical boiler are
horizontal
vertical
inclined
✅ The correct answer is option C.
When a rectangular beam is loaded transversely, the zero stress is developed on the neutral axis.
TRUE
FALSE
✅ The correct answer is option A.
Thermal conductivity of solid metals __________ with rise in temperature.
remains same
decreases
increases
✅ The correct answer is option B.
The springs in brakes and clutches are used to
to apply forces
to measure forces
to store strain energy
to absorb shocks
✅ The correct answer is option A.
The maximum torque multiplication ratio in a torque converter is about
2.5
10
25
40
✅ The correct answer is option A.
Two advantages of using helical gears rather than spur gears in a transmission system are
strength and cost
strength and less end thrust
noise level and strength
noise level and econom
✅ The correct answer is option C.
For a self locking machine, the efficiency must be
equal to 50%
less than 50%
greater than 50%
100%
✅ The correct answer is option B.