by a form tool
by setting over the tail stock
by a taper turning attachment
by swivelling the comp
✅ The correct answer is option C.
Mechanical Engineering MCQs
The smallest diameter of an external or internal screw thread is known as
minor diameter
major diameter
pitch diameter
none of these
✅ The correct answer is option A.
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
10 mm/m
16 mm/m
20 mm/m
26 mm/m
✅ The correct answer is option D.
The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced.
TRUE
FALSE
✅ The correct answer is option A.
Concurrent forces are those forces whose lines of action
lie on the same line
meet at one point
meet on the same plane
none of these
✅ The correct answer is option B.
According to Indian standard specifications, 100 H6/g5 means that
tolerance grade for the hole is 6 and for the shaft is 5
tolerance grade for the shaft is 6 and for the hole is 5
tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7
tolerance grade for th
✅ The correct answer is option A.
The advantage of the fuel injection system over the carburetor system is
improved fuel efficiency
improved emission
improved power output
all of these
✅ The correct answer is option D.
The ratio of actual heat transfer to the maximum possible heat transfer is known as heat exchanger effectiveness.
Agree
Disagree
✅ The correct answer is option A.
One tonne of refrigeration (1TR) means that the heat removing capacity is
21 kJ/min
210 kJ/min
420 kJ/min
620 kJ/min
✅ The correct answer is option B.
Lewis equation in gears is used to find the
tensile stress in bending
shear stress
compressive stress in bending
fatigue stress
✅ The correct answer is option C.