feed marks or ridges left by the cutting tool
fragment of built-up edge on the machined surface
cutting tool vibrations
all of these
✅ The correct answer is option D.
Engineering MCQs
The yield point in static loading is __________ as compared to fatigue loading.
higher
lower
same
✅ The correct answer is option A.
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.
less than
greater than
✅ The correct answer is option B.
A cotter joint is used to connect two __________ rods.
co-axial
perpendicular
parallel
✅ The correct answer is option A.
In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
wet vapour region
superheated vapour region
sub-cooled liquid region
none of these
✅ The correct answer is option C.
In a differential band brake as shown in the below figure, the drum rotates anticlockwise and the greater tension T1 acts at A and smaller tension T2 at B. Length OA is greater than length OB. In order to apply the brake, the force P at C should
be zero
act in upward direction
act in downward direction
none of the above
✅ The correct answer is option C.
In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be
running full
running free
partially running full
partially running free
✅ The correct answer is option B.
A simple turbo-jet engine is basically a gas turbine engine equipped with a propulsive nozzle and diffuser.
Agree
Disagree
✅ The correct answer is option A.
An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated with rubber (k = 0.15 W/mK). The cable is to be located in air (h = 6 W/m2). The critical thickness of insulation will be
25 mm
40 mm
160 mm
800 mm
✅ The correct answer is option A.