TRUE
FALSE
✅ The correct answer is option A.
Mechanical Engineering MCQs
In metal cutting operations, the shear angle is the angle made by the shear plane with the
direction of the tool axis
direction of tool travel
perpendicular to the direction of the tool axis
central plane of the w
✅ The correct answer is option B.
The composition of the electrolyte in a fully charged battery is that
the electrolyte is pure distilled water
the electrolyte is pure sulphuric acid
the electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
the electrolyte is a m
✅ The correct answer is option C.
The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy.
Agree
Disagree
✅ The correct answer is option A.
In the two rotor system as shown in the below figure (I1 < I2), a node of vibration is situated
between I1, and I2 but nearer I1
between I1, and I2 but nearer to I2
exactly in the middle of the shaft
nearer to I1 but outsi
✅ The correct answer is option B.
The thermostatic expansion valve is used in __________ type of evaporators.
flooded
DX coil
dry
✅ The correct answer is option C.
In an impulse turbine, the pressure of water both at entering and leaving the vanes, is atmospheric.
Agree
Disagree
✅ The correct answer is option A.
In a petrol engine, the high voltage for spark plug is in the order of
1000 volts
2000 volts
11 kilovolts
22 kilovolts
✅ The correct answer is option D.
A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.
two constant pressure
two constant volume
two isentropic
one constant pressure,
✅ The correct answer is option B.
The efficiency of a screw jack is maximum, when(where α = Helix angle, and φ = Angle of friction.)
α = 45° + φ/2
α = 45° – φ/2
α = 90° + φ
α = 90° – φ
✅ The correct answer is option B.