any form of uranium
natura uranium
enriched uranium
plutonium
✅ The correct answer is option C.
Mechanical Engineering MCQs
Free carbon in iron makes the metal
soft and gives a coarse grained crystalline structure
soft and gives a fine grained crystalline structure
hard and gives a coarse grained crystalline structure
hard and gives a fine grained crystalline structure
✅ The correct answer is option A.
The steam leaves the nozzle at a
high pressure and a low velocity
high pressure and a high velocity
low pressure and a low velocity
low pressure and a high velocity
✅ The correct answer is option D.
Ordinary water is sometimes used as moderator when enriched uranium is used as a fuel in nuclear power plants.
Yes
No
✅ The correct answer is option A.
When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be
stable
unstable
isochronous
none of these
✅ The correct answer is option B.
The efficiency of Diesel cycle increases with
decrease in cut-off
increase in cut-off
constant cut-off
none of these
✅ The correct answer is option A.
The application of third type levers is found in
handle of a hand pump
hand wheel of a punching press
lever of a loaded safety valve
a pair of tongs
✅ The correct answer is option D.
A twist drill is a
side cutting tool
front cutting tool
end cutting tool
none of these
✅ The correct answer is option C.
The toughness of a material __________ when it is heated.
increases
decreases
does not change
✅ The correct answer is option B.