5°C
8°C
14°C
22°C
✅ The correct answer is option C.
Engineering MCQs
A sliding bearing which operates without any lubricant present, is called
zero film bearing
boundary lubricated bearing
hydrodynamic lubricated bearing
hydrostatic lubricated
✅ The correct answer is option A.
A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.
Correct
Incorrect
✅ The correct answer is option A.
The function of an eccentric rod is
to provide reciprocating motion to the slide valve
to convert reciprocating motion of the piston into rotary motion of the crank
to convert rotary motion of the crankshaft into to and fro motion of the valve rod
to provide simple harm
✅ The correct answer is option C.
For arc welding
alternating current with high frequency is used
alternating current with low frequency is used
direct current is used
any one of these
✅ The correct answer is option C.
The contact ratio is the ratio of
length of path of contact to the circular pitch
length of arc of contact to the circular pitch
length of arc of approach to the circular pitch
length of arc of reces
✅ The correct answer is option B.
Hot piercing is extensively used for making bolts and nuts.
Yes
No
✅ The correct answer is option B.
In process annealing, the hypo-eutectoid steel is
heated from 30° C to 50° C above the upper critical temperature and then cooled in still air
heated from 30° C to 50° C above the upper critical temperature and then cooled suddenly in a suitable cooling medium
heated from 30° C to 50° C above the upper critical temperature and then cooled slowly in the furnace
heated below or close
✅ The correct answer is option D.
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power.The saving in case of a double acting reciprocating pump is
39.20%
48.80%
84.80%
88.40%
✅ The correct answer is option A.
A moving fluid mass may be brought to a static equilibrium position, by aplying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called
Pascal’s law
Archimede’s principle
D-Alembert’s principle
none of these
✅ The correct answer is option C.