✅ The correct answer is option D.
Engineering MCQs
Which of the following solids are malleable and ductile?
Ionic solids
Covalent solids
Metallic solids
none of these
✅ The correct answer is option C.
Mass moment of inertia of a thin rod about its one end is __________ the mass moment of inertia of the same rod about its mid-point
same as
twice
thrice
four times
✅ The correct answer is option D.
A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called
dry air
moist air
saturated air
specific humidity
✅ The correct answer is option C.
When the backgear is engaged in a backgeared headstock, the spindle speed reduces considerably.
Agree
Disagree
✅ The correct answer is option A.
A steel with carbon above 0.8% is known as hyper-eutectoid steel.
Agree
Disagree
✅ The correct answer is option A.
Cutting and forming operations can be performed in a single operation in a
simple die
progressive die
compound die
combination die
✅ The correct answer is option D.
The drill spindles are provided with standard taper known as
Morse taper
Seller’s taper
Chapman taper
Brown and Sharpe taper
✅ The correct answer is option A.
The wave length corresponding to the maximum energy is inversely proportional to the absolute temperature. This statement is called Planck’s law.
Yes
No
✅ The correct answer is option B.
A closed vessel made of steel and used for the generation of steam is called a
steam boiler
steam turbine
steam condenser
steam injector
✅ The correct answer is option A.